Water reports · IA
Water reports by ZIP code in IA
758 ZIP codes in IA have federal drinking water monitoring records. Each links to what those records show, and to what they do not cover.
IA is the primacy agency code, which is how EPA files a water system rather than where a postcode sits. For most systems it is the state; for systems on tribal land or under direct federal oversight it is a tribe or an EPA region.
| ZIP | Served by |
|---|---|
| 39525 | WARREN WATER DISTRICT, DIAMONDHEAD UTILITIES-NORTH |
| 50001 | MARION CO. RURAL WATER DISTRICT, WARREN WATER DISTRICT |
| 50003 | ADEL MUNICIPAL WATER WORKS, XENIA RWD (DES MOINES), XENIA RWD (WOODWARD) |
| 50005 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50006 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50007 | DES MOINES WATER WORKS |
| 50008 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50009 | ALTOONA WATER SUPPLY, DES MOINES WATER WORKS, SOUTHEAST POLK RWD, WARREN WATER DISTRICT |
| 50010 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), AMES WATER TREATMENT PLANT |
| 50011 | ISU |
| 50012 | ISU |
| 50013 | ISU |
| 50014 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), AMES WATER TREATMENT PLANT |
| 50020 | ANITA MUNICIPAL UTILITIES |
| 50021 | ANKENY, CITY OF, DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50022 | ATLANTIC MUNICIPAL UTILITIES, REGIONAL WATER |
| 50023 | ANKENY, CITY OF, DES MOINES WATER WORKS |
| 50025 | WEST CENTRAL RWA - NISH SYSTEM, REGIONAL WATER |
| 50026 | XENIA RWD (DES MOINES) |
| 50027 | POWESHIEK WATER ASSOCIATION |
| 50028 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50029 | BAYARD WATER SUPPLY |
| 50031 | Xenia Rural Water District (north) |
| 50032 | DES MOINES WATER WORKS |
| 50033 | WARREN WATER DISTRICT |
| 50035 | BONDURANT MUNI WATER SUPPLY, DES MOINES WATER WORKS |
| 50036 | BOONE WATER WORKS, XENIA RWD (BOONE), XENIA RWD (WOODWARD), Xenia Rural Water District (north) |
| 50038 | XENIA RWD (DES MOINES), WARREN WATER DISTRICT |
| 50039 | XENIA RWD (WOODWARD) |
| 50040 | Xenia Rural Water District (north) |
| 50042 | REGIONAL WATER |
| 50043 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50044 | RATHBUN REGIONAL WATER ASSN (RATHBUN), IA REGIONAL UTILITIES ASSOC (WAVERLY), MARION CO. RURAL WATER DISTRICT |
| 50046 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), DES MOINES WATER WORKS, CAMBRIDGE WATER SUPPLY |
| 50047 | DES MOINES WATER WORKS, CARLISLE WATER SUPPLY, WARREN WATER DISTRICT |
| 50048 | XENIA RWD (DES MOINES) |
| 50049 | RATHBUN REGIONAL WATER ASSN (RATHBUN), CHARITON MUNICIPAL WATER WORKS |
| 50050 | Xenia Rural Water District (north) |
| 50051 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50052 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50054 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50055 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50056 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50057 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50058 | WEST CENTRAL RWA - NISH SYSTEM |
| 50060 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50061 | XENIA RWD (DES MOINES), DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50062 | MELCHER-DALLAS WATER SUPPLY, MARION CO. RURAL WATER DISTRICT |
| 50063 | XENIA RWD (DES MOINES), XENIA RWD (WOODWARD), WARREN WATER DISTRICT |
| 50064 | Xenia Rural Water District (north) |
| 50065 | SIRWA #2 (CRESTON) |
| 50066 | XENIA RWD (DES MOINES), Xenia Rural Water District (north) |
| 50067 | SIRWA #2 (CRESTON) |
| 50068 | RATHBUN REGIONAL WATER ASSN (RATHBUN), SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50069 | XENIA RWD (DES MOINES), WARREN WATER DISTRICT |
| 50070 | XENIA RWD (DES MOINES), WARREN WATER DISTRICT |
| 50071 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50072 | XENIA RWD (DES MOINES), WARREN WATER DISTRICT |
| 50073 | DES MOINES WATER WORKS |
| 50074 | SIRWA #2 (CRESTON) |
| 50075 | IA REGIONAL UTILITIES ASSOC (WAVERLY), Xenia Rural Water District (north) |
| 50076 | REGIONAL WATER |
| 50078 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50102 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50103 | RATHBUN REGIONAL WATER ASSN (RATHBUN), GARDEN GROVE WATER SUPPLY |
| 50104 | POWESHIEK WATER ASSOCIATION |
| 50105 | XENIA RWD (BOONE) |
| 50106 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50107 | Xenia Rural Water District (north) |
| 50108 | SIRWA #2 (CRESTON) |
| 50109 | XENIA RWD (DES MOINES), XENIA RWD (WOODWARD) |
| 50110 | WEST CENTRAL RWA - NISH SYSTEM |
| 50111 | XENIA RWD (DES MOINES), XENIA RWD (WOODWARD), GRIMES WATER SUPPLY, JOHNSTON MUNICIPAL WATER SUPPLY |
| 50112 | IA REGIONAL UTILITIES ASSOC (WAVERLY), GRINNELL WATER DEPARTMENT, POWESHIEK WATER ASSOCIATION |
| 50115 | XENIA RWD (DES MOINES) |
| 50116 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50117 | REGIONAL WATER |
| 50118 | WARREN WATER DISTRICT |
| 50119 | MARION CO. RURAL WATER DISTRICT |
| 50120 | IA REGIONAL UTILITIES ASSOC (WAVERLY), SIRWA #3 (OSCEOLA) |
| 50122 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50123 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50124 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), DES MOINES WATER WORKS, HUXLEY WATERWORKS DEPT |
| 50125 | INDIANOLA WATER SUPPLY, WARREN WATER DISTRICT |
| 50126 | IA REGIONAL UTILITIES ASSOC (WAVERLY), IOWA FALLS WATER DEPARTMENT |
| 50127 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50128 | XENIA RWD (DES MOINES), Xenia Rural Water District (north) |
| 50129 | XENIA RWD (DES MOINES), JEFFERSON WATER DEPARTMENT, Xenia Rural Water District (north) |
| 50130 | Xenia Rural Water District (north) |
| 50131 | XENIA RWD (DES MOINES), DES MOINES WATER WORKS, JOHNSTON MUNICIPAL WATER SUPPLY |
| 50132 | Xenia Rural Water District (north) |
| 50133 | SIRWA #2 (CRESTON) |
| 50134 | XENIA RWD (BOONE) |
| 50135 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50136 | WAPELLO RURAL WATER ASSOC. |
| 50137 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50138 | RATHBUN REGIONAL WATER ASSN (RATHBUN), IA REGIONAL UTILITIES ASSOC (WAVERLY), KNOXVILLE WATER WORKS, MARION CO. RURAL WATER DISTRICT |
| 50139 | RATHBUN REGIONAL WATER ASSN (RATHBUN), MARION CO. RURAL WATER DISTRICT, WARREN WATER DISTRICT |
| 50140 | SIRWA #2 (CRESTON) |
| 50141 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50142 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50144 | RATHBUN REGIONAL WATER ASSN (RATHBUN), SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50145 | WARREN WATER DISTRICT |
| 50146 | XENIA RWD (DES MOINES) |
| 50147 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50148 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50149 | SIRWA #2 (CRESTON) |
| 50150 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50151 | RATHBUN REGIONAL WATER ASSN (RATHBUN), SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON), WARREN WATER DISTRICT |
| 50152 | XENIA RWD (MADRID) |
| 50153 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50154 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50155 | SIRWA #2 (CRESTON) |
| 50156 | XENIA RWD (BOONE), XENIA RWD (DES MOINES), XENIA RWD (WOODWARD) |
| 50157 | POWESHIEK WATER ASSOCIATION |
| 50158 | IA REGIONAL UTILITIES ASSOC (WAVERLY), MARSHALLTOWN WATER WORKS |
| 50160 | WARREN WATER DISTRICT |
| 50161 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50162 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50163 | MELCHER-DALLAS WATER SUPPLY, MARION CO. RURAL WATER DISTRICT |
| 50164 | XENIA RWD (DES MOINES) |
| 50165 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50166 | WARREN WATER DISTRICT |
| 50167 | XENIA RWD (DES MOINES), XENIA RWD (WOODWARD) |
| 50168 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50169 | IA REGIONAL UTILITIES ASSOC (WAVERLY), DES MOINES WATER WORKS, SOUTHEAST POLK RWD |
| 50170 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50171 | POWESHIEK WATER ASSOCIATION |
| 50173 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50174 | SIRWA #2 (CRESTON), WARREN WATER DISTRICT |
| 50201 | IA REGIONAL UTILITIES ASSOC (WAVERLY), NEVADA WATER SUPPLY |
| 50206 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50207 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50208 | IA REGIONAL UTILITIES ASSOC (WAVERLY), NEWTON WATER SUPPLY |
| 50210 | SIRWA #2 (CRESTON), WARREN WATER DISTRICT |
| 50211 | DES MOINES WATER WORKS, WARREN WATER DISTRICT, NORWALK WATER SUPPLY |
| 50212 | XENIA RWD (WOODWARD), Xenia Rural Water District (north) |
| 50213 | OSCEOLA WATER WORKS, SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50214 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50216 | XENIA RWD (DES MOINES) |
| 50217 | Xenia Rural Water District (north) |
| 50219 | IA REGIONAL UTILITIES ASSOC (WAVERLY), PELLA WATER WORKS DEPARTMENT |
| 50220 | PERRY MUNICIPAL WATER WORKS, XENIA RWD (DES MOINES), XENIA RWD (WOODWARD), Xenia Rural Water District (north) |
| 50222 | WARREN WATER DISTRICT |
| 50223 | Xenia Rural Water District (north) |
| 50225 | MARION CO. RURAL WATER DISTRICT |
| 50226 | XENIA RWD (BOONE), XENIA RWD (DES MOINES), DES MOINES WATER WORKS, POLK CITY WATER SUPPLY |
| 50228 | IA REGIONAL UTILITIES ASSOC (WAVERLY), SOUTHEAST POLK RWD |
| 50229 | WARREN WATER DISTRICT |
| 50230 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50231 | Xenia Rural Water District (north) |
| 50232 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50233 | XENIA RWD (DES MOINES) |
| 50234 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50235 | XENIA RWD (DES MOINES), Xenia Rural Water District (north) |
| 50236 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50237 | IA REGIONAL UTILITIES ASSOC (WAVERLY), SOUTHEAST POLK RWD |
| 50238 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50239 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50241 | SAINT MARYS WATER CORPORATION |
| 50242 | IA REGIONAL UTILITIES ASSOC (WAVERLY), POWESHIEK WATER ASSOCIATION |
| 50243 | XENIA RWD (BOONE) |
| 50244 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), DES MOINES WATER WORKS |
| 50245 | WARREN WATER DISTRICT |
| 50246 | XENIA RWD (BOONE), Xenia Rural Water District (north) |
| 50247 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50248 | XENIA RWD (BOONE), IA REGIONAL UTILITIES ASSOC (WAVERLY), STORY CITY WATER DEPT, Xenia Rural Water District (north) |
| 50249 | XENIA RWD (BOONE), Xenia Rural Water District (north) |
| 50250 | XENIA RWD (DES MOINES) |
| 50251 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50252 | MARION CO. RURAL WATER DISTRICT |
| 50253 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50254 | SIRWA #2 (CRESTON) |
| 50256 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50257 | SIRWA #2 (CRESTON), WARREN WATER DISTRICT |
| 50258 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50259 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50261 | XENIA RWD (DES MOINES), WARREN WATER DISTRICT |
| 50262 | SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50263 | IA REGIONAL UTILITIES ASSOC (WAVERLY), WAUKEE WATER SUPPLY, XENIA RWD (DES MOINES), DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50264 | RATHBUN REGIONAL WATER ASSN (RATHBUN), SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50265 | DES MOINES WATER WORKS, WEST DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50266 | XENIA RWD (DES MOINES), WEST DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50268 | WAPELLO RURAL WATER ASSOC. |
| 50269 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50270 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50271 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50272 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 50273 | XENIA RWD (DES MOINES), WINTERSET MUNICIPAL WATERWORKS, SIRWA #2 (CRESTON), WARREN WATER DISTRICT |
| 50274 | WIOTA WATER WORKS |
| 50275 | RATHBUN REGIONAL WATER ASSN (RATHBUN), SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50276 | XENIA RWD (DES MOINES), XENIA RWD (WOODWARD) |
| 50277 | XENIA RWD (DES MOINES) |
| 50278 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50302 | DES MOINES WATER WORKS |
| 50305 | WARREN WATER DISTRICT |
| 50306 | DES MOINES WATER WORKS |
| 50309 | DES MOINES WATER WORKS |
| 50310 | DES MOINES WATER WORKS |
| 50311 | DES MOINES WATER WORKS |
| 50312 | DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50313 | DES MOINES WATER WORKS |
| 50314 | DES MOINES WATER WORKS |
| 50315 | DES MOINES WATER WORKS |
| 50316 | DES MOINES WATER WORKS |
| 50317 | DES MOINES WATER WORKS |
| 50318 | DES MOINES WATER WORKS |
| 50319 | DES MOINES WATER WORKS |
| 50320 | DES MOINES WATER WORKS |
| 50321 | DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50322 | DES MOINES WATER WORKS, URBANDALE WATER UTILITY, WARREN WATER DISTRICT |
| 50323 | XENIA RWD (DES MOINES), URBANDALE WATER UTILITY |
| 50324 | DES MOINES WATER WORKS, WARREN WATER DISTRICT |
| 50325 | XENIA RWD (DES MOINES), CLIVE WATER DEPARTMENT |
| 50327 | DES MOINES WATER WORKS, SOUTHEAST POLK RWD |
| 50392 | DES MOINES WATER WORKS |
| 50401 | MASON CITY WATER DEPARTMENT |
| 50428 | CLEAR LAKE WATER DEPARTMENT |
| 50431 | COULTER WATER SUPPLY |
| 50432 | CRYSTAL LAKE WATER SUPPLY |
| 50436 | FOREST CITY WATER SUPPLY |
| 50440 | GRAFTON WATER SUPPLY |
| 50441 | HAMPTON MUNI WATER WORKS |
| 50447 | KANAWHA WATER SUPPLY |
| 50449 | KLEMME WATER WORKS |
| 50450 | LAKE MILLS MUNICIPAL WATER DEPT-SOUTH |
| 50451 | LAKOTA WATER SUPPLY |
| 50452 | COULTER WATER SUPPLY |
| 50459 | WORTH CO INTERCHANGE 214 WATER SUPPLY |
| 50461 | OSAGE MUNICIPAL WATER SUPPLY |
| 50464 | PLYMOUTH WATER SUPPLY |
| 50465 | RAKE WATER SUPPLY |
| 50482 | CLEAR LAKE WATER DEPARTMENT, VENTURA WATER WORKS |
| 50501 | Xenia Rural Water District (north), FORT DODGE WATER SUPPLY |
| 50510 | ALBERT CITY MUNI WATER SUPPLY |
| 50511 | ALGONA MUNICIPAL UTILITIES |
| 50515 | IOWA LAKES REGIONAL WATER, IOWA LAKES REGIONAL WATER - LAKES AREA |
| 50517 | BANCROFT WATER SUPPLY |
| 50521 | Xenia Rural Water District (north) |
| 50523 | Xenia Rural Water District (north) |
| 50525 | CLARION WATER SUPPLY |
| 50527 | IOWA LAKES REGIONAL WATER |
| 50529 | DAKOTA CITY WATER SUPPLY |
| 50530 | Xenia Rural Water District (north) |
| 50532 | Xenia Rural Water District (north) |
| 50533 | EAGLE GROVE WATER SUPPLY |
| 50536 | IOWA LAKES REGIONAL WATER, IOWA LAKES REGIONAL WATER - LAKES AREA, EMMETSBURG MUNICIPAL WATER DEPARTMENT |
| 50538 | Xenia Rural Water District (north) |
| 50543 | Xenia Rural Water District (north) |
| 50544 | Xenia Rural Water District (north) |
| 50548 | HUMBOLDT MUNICIPAL WATER DEPT, BRYAN CO. RWS & SWMD #2 |
| 50552 | KNIERIM WATER SUPPLY |
| 50554 | IOWA LAKES REGIONAL WATER |
| 50557 | Xenia Rural Water District (north) |
| 50563 | MANSON WATER SUPPLY |
| 50566 | Xenia Rural Water District (north) |
| 50567 | IOWA LAKES REGIONAL WATER |
| 50568 | IOWA LAKES REGIONAL WATER |
| 50569 | Xenia Rural Water District (north) |
| 50573 | PLOVER WATER SUPPLY |
| 50574 | POCAHONTAS WATER DEPARTMENT |
| 50576 | IOWA LAKES REGIONAL WATER |
| 50579 | ROCKWELL CITY WATER SUPPLY, TWIN LAKES UTILITIES |
| 50583 | SAC CITY MUNICIPAL WATER PLANT |
| 50585 | IOWA LAKES REGIONAL WATER |
| 50586 | Xenia Rural Water District (north) |
| 50588 | STORM LAKE WATER TREATMENT PLANT, IOWA LAKES REGIONAL WATER |
| 50592 | IOWA LAKES REGIONAL WATER |
| 50593 | VARINA WATER SUPPLY |
| 50595 | WEBSTER CITY WATER SUPPLY, Xenia Rural Water District (north) |
| 50599 | Xenia Rural Water District (north) |
| 50601 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50604 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50607 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50608 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50609 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50612 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50613 | CEDAR FALLS MUNICIPAL WATER UTILITIES, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50616 | CHARLES CITY WATER SUPPLY |
| 50619 | IA REGIONAL UTILITIES ASSOC (WAVERLY), CLARKSVILLE WATER SUPPLY |
| 50620 | COLWELL, CITY OF |
| 50621 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50622 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50623 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50624 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50625 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50626 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50627 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50628 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50629 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50631 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50632 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50633 | GENEVA WATER WORKS |
| 50634 | GILBERTVILLE WATER WORKS |
| 50635 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50636 | GREENE MUNI WATER SUPPLY |
| 50637 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50638 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50641 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50642 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50643 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50644 | IA REGIONAL UTILITIES ASSOC (WAVERLY), INDEPENDENCE WATER DEPT |
| 50647 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50648 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50649 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50650 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50651 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50652 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50654 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50655 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50657 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50658 | NASHUA WATER SUPPLY |
| 50659 | NEW HAMPTON WATER SUPPLY |
| 50660 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50662 | IA REGIONAL UTILITIES ASSOC (WAVERLY), OELWEIN MUNICIPAL WATER WORKS |
| 50665 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50666 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50667 | ELK RUN HEIGHTS WATER SUPPLY |
| 50668 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50669 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50670 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50671 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50672 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50673 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50674 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50675 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50676 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50677 | WAVERLY WATER DEPARTMENT, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50680 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50682 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50691 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50701 | WATERLOO WATER WORKS, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50702 | WATERLOO WATER WORKS, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50703 | WATERLOO WATER WORKS, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50704 | WATERLOO WATER WORKS, IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 50706 | WATERLOO WATER WORKS |
| 50707 | EVANSDALE WATER WORKS, WATERLOO WATER WORKS |
| 50801 | SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON), CRESTON WATER SUPPLY |
| 50830 | SIRWA #3 (OSCEOLA), SIRWA #2 (CRESTON) |
| 50831 | SIRWA #2 (CRESTON) |
| 50833 | SIRWA #2 (CRESTON) |
| 50835 | SIRWA #2 (CRESTON) |
| 50836 | SIRWA #2 (CRESTON) |
| 50837 | SIRWA #2 (CRESTON) |
| 50840 | SIRWA #2 (CRESTON) |
| 50841 | SIRWA #2 (CRESTON) |
| 50842 | SIRWA #2 (CRESTON) |
| 50845 | SIRWA #2 (CRESTON) |
| 50848 | SIRWA #2 (CRESTON) |
| 50849 | XENIA RWD (DES MOINES), SIRWA #2 (CRESTON) |
| 50851 | SIRWA #2 (CRESTON) |
| 50854 | SIRWA #2 (CRESTON) |
| 50857 | SIRWA #2 (CRESTON) |
| 50858 | SIRWA #2 (CRESTON) |
| 50859 | SIRWA #2 (CRESTON) |
| 50860 | SIRWA #2 (CRESTON) |
| 50861 | SIRWA #2 (CRESTON) |
| 50862 | SIRWA #2 (CRESTON) |
| 50863 | SIRWA #2 (CRESTON) |
| 50864 | RED OAK WATER SUPPLY, CLARINDA WATER PLANT |
| 51001 | SOUTHERN SIOUX COUNTY RURAL WATER, CLAY RURAL WATER SYSTEM |
| 51002 | IOWA LAKES REGIONAL WATER |
| 51003 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51008 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51009 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51010 | CASTANA MUNICIPAL WATER SUPPLY |
| 51011 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51012 | CHEROKEE WATER SUPPLY - PLANT 1, IOWA LAKES REGIONAL WATER |
| 51022 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51023 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51024 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51027 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51029 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51031 | LEMARS WATER DEPARTMENT, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51033 | IOWA LAKES REGIONAL WATER |
| 51034 | MAPLETON MUNICIPAL WATER PLANT |
| 51035 | MARCUS WATER SUPPLY |
| 51036 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER |
| 51038 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51040 | ONAWA MUNICIPAL WATER PLANT |
| 51041 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER, ORANGE CITY MUNICIPAL WATER DEPARTMENT |
| 51045 | OYENS WATER SUPPLY |
| 51046 | OSCEOLA RURAL WATER SYSTEM-NORTH, RURAL WATER SYSTEM #1 |
| 51047 | IOWA LAKES REGIONAL WATER |
| 51049 | QUIMBY WATER SUPPLY |
| 51050 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51054 | SERGEANT BLUFF WATER SUPPLY |
| 51056 | SMITHLAND WATER SUPPLY |
| 51058 | IOWA LAKES REGIONAL WATER, OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51062 | SOUTHERN SIOUX COUNTY RURAL WATER |
| 51063 | WHITING WATER SUPPLY |
| 51101 | SIOUX CITY WATER SUPPLY |
| 51102 | SIOUX CITY WATER SUPPLY |
| 51103 | SIOUX CITY WATER SUPPLY |
| 51104 | SIOUX CITY WATER SUPPLY |
| 51105 | SIOUX CITY WATER SUPPLY |
| 51106 | SIOUX CITY WATER SUPPLY |
| 51107 | SIOUX CITY WATER SUPPLY |
| 51108 | SIOUX CITY WATER SUPPLY |
| 51111 | SIOUX CITY WATER SUPPLY |
| 51201 | SHELDON WATER DEPARTMENT, OSCEOLA RURAL WATER SYSTEM-NORTH, RURAL WATER SYSTEM #1 |
| 51231 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51232 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51234 | RURAL WATER SYSTEM #1 |
| 51237 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51238 | RURAL WATER SYSTEM #1 |
| 51239 | RURAL WATER SYSTEM #1 |
| 51240 | LYON-SIOUX RWS-BIG SIOUX |
| 51241 | LYON-SIOUX RWS-BIG SIOUX |
| 51242 | LYON-SIOUX RWS-BIG SIOUX |
| 51243 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51244 | MATLOCK WATER SUPPLY |
| 51245 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51246 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51247 | RURAL WATER SYSTEM #1, ROCK VALLEY WATER SUPPLY |
| 51248 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51249 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51250 | RURAL WATER SYSTEM #1, SOUTHERN SIOUX COUNTY RURAL WATER, SIOUX CENTER MUNICIPAL WATER DEPARTMENT |
| 51301 | IOWA LAKES REGIONAL WATER, SPENCER MUNICIPAL WATER UTILITY |
| 51331 | IOWA LAKES REGIONAL WATER - LAKES AREA |
| 51333 | IOWA LAKES REGIONAL WATER |
| 51334 | IOWA LAKES REGIONAL WATER - LAKES AREA, ESTHERVILLE WATER TREATMENT PLANT |
| 51338 | IOWA LAKES REGIONAL WATER |
| 51340 | FOSTORIA MUNICIPAL WATER SUPPLY |
| 51341 | IOWA LAKES REGIONAL WATER |
| 51342 | IOWA LAKES REGIONAL WATER - LAKES AREA |
| 51343 | IOWA LAKES REGIONAL WATER |
| 51345 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51346 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51347 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51350 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51351 | IOWA LAKES REGIONAL WATER, IOWA LAKES REGIONAL WATER - LAKES AREA, OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51354 | OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51355 | IOWA LAKES REGIONAL WATER - LAKES AREA, OKOBOJI WATER SUPPLY, OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51357 | IOWA LAKES REGIONAL WATER, IOWA-AMERICAN WTR CO-DAVENPORT |
| 51358 | IOWA LAKES REGIONAL WATER, IOWA LAKES REGIONAL WATER - LAKES AREA |
| 51360 | IOWA LAKES REGIONAL WATER - LAKES AREA, SPIRIT LAKE WATERWORKS, OSCEOLA RURAL WATER SYSTEM-NORTH |
| 51363 | IOWA LAKES REGIONAL WATER - LAKES AREA |
| 51364 | IOWA LAKES REGIONAL WATER, IOWA LAKES REGIONAL WATER - LAKES AREA |
| 51365 | IOWA LAKES REGIONAL WATER - LAKES AREA, ESTHERVILLE WATER TREATMENT PLANT |
| 51366 | IOWA LAKES REGIONAL WATER |
| 51401 | WEST CENTRAL RWA - NISH SYSTEM, WEST CENTRAL RWA-BOYER SYSTEM, CARROLL MUNICIPAL WATER SUPPLY |
| 51430 | WEST CENTRAL RWA - NISH SYSTEM, WEST CENTRAL RWA-BOYER SYSTEM |
| 51432 | WEST CENTRAL RWA - NISH SYSTEM |
| 51433 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51436 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51440 | WEST CENTRAL RWA - NISH SYSTEM |
| 51441 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51442 | WEST CENTRAL RWA-BOYER SYSTEM, DENISON WATER SUPPLY |
| 51444 | WEST CENTRAL RWA - NISH SYSTEM |
| 51446 | WEST CENTRAL RWA - NISH SYSTEM |
| 51447 | REGIONAL WATER |
| 51448 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51449 | LAKE CITY WATER SUPPLY |
| 51450 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51451 | LANESBORO WATER WORKS |
| 51452 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51453 | Xenia Rural Water District (north) |
| 51454 | WEST CENTRAL RWA - NISH SYSTEM |
| 51455 | WEST CENTRAL RWA - NISH SYSTEM |
| 51458 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51459 | RALSTON WATER TREATMENT PLANT |
| 51463 | WEST CENTRAL RWA - NISH SYSTEM |
| 51465 | WEST CENTRAL RWA - NISH SYSTEM, WEST CENTRAL RWA-BOYER SYSTEM |
| 51466 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51467 | WEST CENTRAL RWA-BOYER SYSTEM |
| 51501 | COUNCIL BLUFFS WATER WORKS |
| 51502 | COUNCIL BLUFFS WATER WORKS |
| 51503 | COUNCIL BLUFFS WATER WORKS, URBAN BLUFFS - NORTH |
| 51510 | CARTER LAKE WATER DISTRICT |
| 51521 | REGIONAL WATER |
| 51525 | CARSON WATER SUPPLY |
| 51527 | WEST CENTRAL RWA - NISH SYSTEM, REGIONAL WATER |
| 51530 | REGIONAL WATER |
| 51531 | REGIONAL WATER |
| 51533 | RED OAK WATER SUPPLY |
| 51534 | GLENWOOD MUNICIPAL UTILITIES |
| 51536 | REGIONAL WATER |
| 51537 | REGIONAL WATER, HARLAN MUNICIPAL UTILITIES |
| 51540 | HASTINGS WATER SUPPLY |
| 51543 | REGIONAL WATER |
| 51548 | URBAN BLUFFS - NORTH |
| 51550 | MAGNOLIA, CITY OF |
| 51552 | ATLANTIC MUNICIPAL UTILITIES, REGIONAL WATER |
| 51553 | REGIONAL WATER |
| 51556 | MODALE WATER SUPPLY |
| 51559 | URBAN BLUFFS - NORTH, REGIONAL WATER |
| 51560 | OAKLAND MUNIC WATER UTILITY |
| 51561 | GLENWOOD MUNICIPAL UTILITIES |
| 51562 | REGIONAL WATER |
| 51563 | REGIONAL WATER |
| 51564 | PISGAH WATER SUPPLY |
| 51565 | REGIONAL WATER, PORTSMOUTH WATER SUPPLY |
| 51566 | RED OAK WATER SUPPLY |
| 51570 | REGIONAL WATER |
| 51573 | RED OAK WATER SUPPLY |
| 51576 | URBAN BLUFFS - NORTH |
| 51577 | REGIONAL WATER |
| 51578 | REGIONAL WATER |
| 51579 | REGIONAL WATER |
| 51601 | RED OAK WATER SUPPLY, SHENANDOAH WATER DEPT |
| 51630 | RED OAK WATER SUPPLY |
| 51631 | CLARINDA WATER PLANT |
| 51632 | RED OAK WATER SUPPLY, CLARINDA WATER PLANT |
| 51636 | RED OAK WATER SUPPLY |
| 51637 | CLARINDA WATER PLANT |
| 51638 | RED OAK WATER SUPPLY |
| 51639 | RED OAK WATER SUPPLY |
| 51640 | RED OAK WATER SUPPLY |
| 51645 | RED OAK WATER SUPPLY |
| 51646 | CLARINDA WATER PLANT, SIRWA #2 (CRESTON) |
| 51647 | RED OAK WATER SUPPLY |
| 51650 | RED OAK WATER SUPPLY |
| 51651 | SHAMBAUGH MUNI WATER SUPPLY |
| 51652 | RED OAK WATER SUPPLY |
| 51653 | TABOR WATER SUPPLY |
| 51656 | SOUTHWEST REG WATER DISTRICT (CLARINDA) |
| 52001 | DUBUQUE WATER WORKS, CLARK COUNTY CONS PWSD 1 |
| 52002 | ASBURY MUNICIPAL WATER SYSTEM, DUBUQUE WATER WORKS |
| 52003 | DUBUQUE WATER WORKS |
| 52030 | ANDREW WATER SUPPLY |
| 52031 | BELLEVUE MUNICIPAL UTILITIES, SPRINGBROOK WATER DEPT |
| 52036 | DELAWARE MUNICIPAL WATER SUPPLY |
| 52038 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52040 | DYERSVILLE MUNICIPAL WATER CO |
| 52042 | EDGEWOOD WATER SUPPLY |
| 52046 | FARLEY WATER SUPPLY |
| 52049 | GARNAVILLO WATER SUPPLY |
| 52050 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52056 | LUXEMBURG WATER SUPPLY |
| 52057 | IA REGIONAL UTILITIES ASSOC (WAVERLY), MANCHESTER WATER SUPPLY |
| 52060 | MAQUOKETA MUNICIPAL WATER |
| 52064 | MILES WATER DEPARTMENT |
| 52068 | DUBUQUE WATER WORKS |
| 52070 | SABULA WATER SUPPLY, SAVANNA |
| 52075 | SPRINGBROOK WATER DEPT |
| 52077 | VOLGA WATER SUPPLY |
| 52078 | WORTHINGTON WATER SUPPLY |
| 52101 | DECORAH WATER DEPARTMENT |
| 52135 | CLERMONT WATER SUPPLY |
| 52136 | CRESCO WATERWORKS |
| 52155 | LIME SPRINGS WATER SUPPLY |
| 52157 | MCGREGOR WATER DEPT |
| 52158 | MCGREGOR WATER DEPT, MARQUETTE WATER SUPPLY |
| 52159 | MONONA MUNICIPAL WATER DEPT |
| 52162 | POSTVILLE WATER DEPARTMENT |
| 52163 | PROTIVIN WATER SUPPLY |
| 52166 | FRANKVILLE RWD |
| 52168 | SPILLVILLE WATER SUPPLY |
| 52172 | WAUKON WATER DEPARTMENT |
| 52202 | ALBURNETT WATER SUPPLY |
| 52203 | AMANA SOCIETY WATER SYSTEM NORTH |
| 52205 | ANAMOSA MUNICIPAL WATER SUPPLY |
| 52206 | ATKINS MUNICIPAL WATER WORKS |
| 52208 | BELLE PLAINE WATER DEPT, POWESHIEK WATER ASSOCIATION |
| 52209 | POWESHIEK WATER ASSOCIATION |
| 52211 | POWESHIEK WATER ASSOCIATION |
| 52213 | CENTER POINT WATER SUPPLY |
| 52215 | POWESHIEK WATER ASSOCIATION |
| 52216 | CLARENCE WATER SUPPLY |
| 52219 | PRAIRIEBURG MUNI. WATER SUPPLY |
| 52222 | POWESHIEK WATER ASSOCIATION |
| 52227 | CEDAR RAPIDS WATER DEPARTMENT |
| 52228 | FAIRFAX WATER SUPPLY |
| 52231 | WAPELLO RURAL WATER ASSOC. |
| 52233 | CEDAR RAPIDS WATER DEPARTMENT, HIAWATHA WATER DEPT |
| 52235 | HILLS WATER SUPPLY |
| 52236 | POWESHIEK WATER ASSOCIATION |
| 52237 | HOPKINTON MUNICIPAL UTILITIES |
| 52240 | IOWA CITY MHP LLC, IOWA CITY WATER DEPARTMENT |
| 52241 | CORALVILLE MUNI WATER SYSTEM |
| 52242 | UNIVERSITY WATER SYSTEM |
| 52245 | IOWA CITY WATER DEPARTMENT |
| 52246 | IOWA CITY WATER DEPARTMENT, UNIVERSITY WATER SYSTEM |
| 52247 | WAPELLO RURAL WATER ASSOC. |
| 52248 | WAPELLO RURAL WATER ASSOC. |
| 52249 | POWESHIEK WATER ASSOCIATION |
| 52253 | LISBON WATER SUPPLY |
| 52255 | LOWDEN WATER SUPPLY |
| 52257 | POWESHIEK WATER ASSOCIATION |
| 52301 | POWESHIEK WATER ASSOCIATION |
| 52302 | CEDAR RAPIDS WATER DEPARTMENT, MARION MUNICIPAL WATER DEPT |
| 52307 | AMANA SOCIETY WATER SYSTEM NORTH |
| 52308 | MILLERSBURG WATER DEPT |
| 52310 | MONTICELLO WATER SUPPLY |
| 52312 | MORLEY MUNICIPAL WATER SUPPLY |
| 52314 | MOUNT VERNON WATER SUPPLY |
| 52316 | POWESHIEK WATER ASSOCIATION, WAPELLO RURAL WATER ASSOC. |
| 52317 | NORTH LIBERTY WATER SUPPLY |
| 52318 | NORWAY CITY WATER SUPPLY |
| 52320 | OLIN WATER SUPPLY |
| 52323 | OXFORD JUNCTION WATER SUPPLY |
| 52324 | CEDAR RAPIDS WATER DEPARTMENT |
| 52326 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52327 | RIVERSIDE WATER SUPPLY |
| 52328 | CEDAR RAPIDS WATER DEPARTMENT |
| 52329 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52333 | SOLON WATER DEPT |
| 52335 | WAPELLO RURAL WATER ASSOC. |
| 52338 | TIMBERLAKE, ROYAL OAKS SUBDIVISION, LAKE VISTA SUBDIVISION |
| 52339 | SAC & FOX (MESKWAKI) IN IOWA, IOWA PREMIUM LLC, POWESHIEK WATER ASSOCIATION |
| 52340 | CORALVILLE MUNI WATER SYSTEM, TIFFIN WATER SUPPLY |
| 52341 | CEDAR RAPIDS WATER DEPARTMENT, BRITTANY ESTATES HOMEOWNERS ASSOCIATION |
| 52342 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52345 | URBANA WATER SUPPLY |
| 52346 | POWESHIEK WATER ASSOCIATION |
| 52347 | POWESHIEK WATER ASSOCIATION |
| 52349 | VINTON MUNICIPAL WATER DEPT |
| 52351 | CLOVER RIDGE SUBDIVISION |
| 52352 | IA REGIONAL UTILITIES ASSOC (WAVERLY) |
| 52353 | WAPELLO RURAL WATER ASSOC., WASHINGTON WATER DEPARTMENT, CLARK COUNTY CONS PWSD 1 |
| 52354 | POWESHIEK WATER ASSOCIATION |
| 52355 | POWESHIEK WATER ASSOCIATION, WAPELLO RURAL WATER ASSOC. |
| 52356 | POWESHIEK WATER ASSOCIATION, WAPELLO RURAL WATER ASSOC. |
| 52358 | WEST BRANCH MHP |
| 52359 | WAPELLO RURAL WATER ASSOC. |
| 52361 | POWESHIEK WATER ASSOCIATION |
| 52362 | WYOMING WATER SYSTEM |
| 52401 | CEDAR RAPIDS WATER DEPARTMENT |
| 52402 | CEDAR RAPIDS WATER DEPARTMENT, CLARK COUNTY CONS PWSD 1 |
| 52403 | CEDAR RAPIDS WATER DEPARTMENT |
| 52404 | CEDAR RAPIDS WATER DEPARTMENT |
| 52405 | CEDAR RAPIDS WATER DEPARTMENT, CLARK COUNTY CONS PWSD 1 |
| 52411 | CEDAR RAPIDS WATER DEPARTMENT, CLARK COUNTY CONS PWSD 1 |
| 52501 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC., OTTUMWA WATER WORKS |
| 52530 | AGENCY WATER WORKS |
| 52531 | RATHBUN REGIONAL WATER ASSN (RATHBUN), ALBIA MUNICIPAL WATER WORKS |
| 52533 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52534 | MAHASKA RURAL WATER SYSTEM, INC. |
| 52535 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52536 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52537 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52540 | WAPELLO RURAL WATER ASSOC. |
| 52542 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52543 | WAPELLO RURAL WATER ASSOC. |
| 52544 | RATHBUN REGIONAL WATER ASSN (RATHBUN), CENTERVILLE MUNICIPAL WATERWORKS |
| 52548 | WAPELLO RURAL WATER ASSOC. |
| 52549 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52550 | WAPELLO RURAL WATER ASSOC. |
| 52551 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52552 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52553 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52554 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52555 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52556 | RATHBUN REGIONAL WATER ASSN (RATHBUN), FAIRFIELD WATER SUPPLY, WAPELLO RURAL WATER ASSOC., CLARK COUNTY CONS PWSD 1 |
| 52557 | WAPELLO RURAL WATER ASSOC. |
| 52560 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52561 | WAPELLO RURAL WATER ASSOC. |
| 52563 | WAPELLO RURAL WATER ASSOC. |
| 52565 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52566 | WAPELLO RURAL WATER ASSOC. |
| 52567 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52569 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52570 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52571 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52572 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52573 | RATHBUN REGIONAL WATER ASSN (RATHBUN), CLARK COUNTY CONS PWSD 1 |
| 52574 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52576 | WAPELLO RURAL WATER ASSOC. |
| 52577 | OSKALOOSA MUNICIPAL WATER DEPT, MAHASKA RURAL WATER SYSTEM, INC. |
| 52580 | WAPELLO RURAL WATER ASSOC. |
| 52581 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52583 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52584 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52585 | WAPELLO RURAL WATER ASSOC. |
| 52586 | WAPELLO RURAL WATER ASSOC. |
| 52588 | RATHBUN REGIONAL WATER ASSN (RATHBUN), WAPELLO RURAL WATER ASSOC. |
| 52590 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52591 | WAPELLO RURAL WATER ASSOC. |
| 52593 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52594 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 52595 | OSKALOOSA MUNICIPAL WATER DEPT |
| 52601 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON), BURLINGTON MUNICIPAL WATERWORKS, CLARK COUNTY CONS PWSD 1 |
| 52619 | RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 52620 | RATHBUN REGIONAL WATER ASSN (RATHBUN), RATHBUN REG WATER ASSN (FT MADISON) |
| 52621 | WAPELLO RURAL WATER ASSOC. |
| 52623 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON) |
| 52624 | RATHBUN REG WATER ASSN (FT MADISON) |
| 52625 | RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 52626 | RATHBUN REGIONAL WATER ASSN (RATHBUN), RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 52627 | RATHBUN REG WATER ASSN (FT MADISON), FT MADISON MUNI WATER WORKS, CLARK COUNTY CONS PWSD 1 |
| 52630 | RATHBUN REGIONAL WATER ASSN (RATHBUN), RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON) |
| 52631 | RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 52632 | RATHBUN REG WATER ASSN (FT MADISON), KEOKUK MUNICIPAL WATER WORKS, CLARK COUNTY CONS PWSD 1 |
| 52635 | WAPELLO RURAL WATER ASSOC. |
| 52637 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52638 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52639 | RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 52640 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52641 | RATHBUN REG WTR ASSN (BURLINGTON), MOUNT PLEASANT MUNICIPAL UTILITIES, WAPELLO RURAL WATER ASSOC. |
| 52644 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52645 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON) |
| 52646 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52647 | OLDS MUNICIPAL WATER DEPT, RATHBUN REGIONAL WATER (MOUNT PLEASANT) |
| 52649 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON), WAPELLO RURAL WATER ASSOC., CLARK COUNTY CONS PWSD 1 |
| 52650 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52651 | RATHBUN REGIONAL WATER ASSN (RATHBUN), RATHBUN REG WTR ASSN (BURLINGTON) |
| 52652 | RATHBUN REGIONAL WATER (MOUNT PLEASANT) |
| 52653 | RATHBUN REG WTR ASSN (BURLINGTON), CLARK COUNTY CONS PWSD 1 |
| 52654 | WAPELLO RURAL WATER ASSOC. |
| 52655 | RATHBUN REG WTR ASSN (BURLINGTON), WEST BURLINGTON MUNI. WATER SUPPLY |
| 52656 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON), CLARK COUNTY CONS PWSD 1 |
| 52657 | RATHBUN REG WATER ASSN (FT MADISON) |
| 52658 | RATHBUN REG WATER ASSN (FT MADISON), RATHBUN REG WTR ASSN (BURLINGTON) |
| 52659 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52660 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 52722 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52726 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52728 | BUFFALO WATER SUPPLY, DEVILS CREEK ESTATES HOME ASSOC |
| 52732 | IOWA-AMERICAN WTR CO-CLINTON DISTRICT, IOWA-AMERICAN WTR CO-DAVENPORT |
| 52736 | IOWA-AMERICAN WTR CO-CLINTON DISTRICT |
| 52737 | COLUMBUS CITY PUBLIC WATER SUPPLY |
| 52742 | DE WITT WATER SUPPLY |
| 52747 | DURANT WATER SUPPLY |
| 52748 | ELDRIDGE WATER SUPPLY |
| 52749 | MUSCATINE POWER & WATER |
| 52752 | GRANDVIEW MUNI WATER DEPT |
| 52753 | IOWA-AMERICAN WTR CO-DAVENPORT, CLARK COUNTY CONS PWSD 1 |
| 52755 | LONE TREE MUNI WATER SYSTEM |
| 52756 | LONG GROVE MUNI WATER SUPPLY, PARK VIEW WATER & SANITARY DISTRICT |
| 52757 | LOW MOOR WATER WORKS |
| 52759 | RANCHO VALLEY HOMEOWNERS ASSOC |
| 52761 | RIVERVIEW SUBDIVISION, MUSCATINE POWER & WATER, CLARK COUNTY CONS PWSD 1 |
| 52767 | DODDS VALLEY VIEW WATER ASSN, IOWA-AMERICAN WTR CO-DAVENPORT |
| 52768 | PRINCETON WATER SUPPLY |
| 52772 | TIPTON WATER SUPPLY |
| 52774 | WELTON WATER SUPPLY |
| 52776 | WEST LIBERTY WATER UTILITY |
| 52801 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52802 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52803 | IOWA-AMERICAN WTR CO-DAVENPORT, CLARK COUNTY CONS PWSD 1 |
| 52804 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52805 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52806 | IOWA-AMERICAN WTR CO-DAVENPORT |
| 52807 | IOWA-AMERICAN WTR CO-DAVENPORT, CLARK COUNTY CONS PWSD 1 |
| 53720 | CAMANCHE WATER SUPPLY |
| 56143 | IOWA LAKES REGIONAL WATER - LAKES AREA, Jackson |
| 56173 | LYON-SIOUX RWS-ROCK RAPIDS, Rock County Rural Water System, Steen |
| 57049 | CLAY RWS/SOUTH UNION, SIOUX CITY WATER SUPPLY, NORTH SIOUX CITY, DAKOTA DUNES CID |
| 61074 | SABULA WATER SUPPLY, SAVANNA |
| 61275 | MCCARTY CREEK HOMEOWNERS ASSN #8, PORT BYRON, IOWA-AMERICAN WTR CO-DAVENPORT |
| 61425 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 61454 | RATHBUN REG WTR ASSN (BURLINGTON), DALLAS RURAL WATER DISTRICT |
| 61469 | RATHBUN REG WTR ASSN (BURLINGTON) |
| 62341 | RATHBUN REG WATER ASSN (FT MADISON), DALLAS RURAL WATER DISTRICT, CLARK COUNTY CONS PWSD 1 |
| 62354 | RATHBUN REG WATER ASSN (FT MADISON), DALLAS RURAL WATER DISTRICT |
| 62358 | RATHBUN REG WATER ASSN (FT MADISON), DALLAS RURAL WATER DISTRICT |
| 62379 | RATHBUN REG WATER ASSN (FT MADISON), DALLAS RURAL WATER DISTRICT |
| 63430 | RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 63465 | RATHBUN REGIONAL WATER ASSN (RATHBUN), RATHBUN REG WATER ASSN (FT MADISON), CLARK COUNTY CONS PWSD 1 |
| 63535 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 63548 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 63555 | RATHBUN REGIONAL WATER ASSN (RATHBUN), CLARK COUNTY CONS PWSD 1, SCOTLAND COUNTY CONS PWSD 1 |
| 63565 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
| 64445 | CLARINDA WATER PLANT, NODAWAY COUNTY PWSD 1 |
| 64498 | RED OAK WATER SUPPLY |
| 64661 | RATHBUN REGIONAL WATER ASSN (RATHBUN), MERCER COUNTY PWSD 1 |
| 64672 | RATHBUN REGIONAL WATER ASSN (RATHBUN) |
A ZIP missing from this list reaches no water system in the federal records we hold. That is not a finding about its water. It is most often a ZIP served by a system too small to have been sampled, or one that is only PO boxes.