Stable Water Systems in Iowa

50 community drinking-water systems in Iowa currently rated Stable (MISI 0–20).

Systems in the Stable band (MISI 0–20) show low structural stress across operational, financial, and governance dimensions. These systems generally have manageable compliance postures, adequate capital investment patterns, and sustainable revenue structures.

SystemPop. ServedMISIBand

IOWA-AMERICAN WTR CO-DAVENPORT148K19.136Stable

WARREN WATER DISTRICT20K15.996Stable

WAPELLO RURAL WATER ASSOC.17K15.996Stable

NEWTON WATER SUPPLY17K15.996Stable

INDIANOLA WATER SUPPLY16K19.443Stable

NORWALK WATER SUPPLY14K15.988Stable

POWESHIEK WATER ASSOCIATION14K18.912Stable

SPENCER MUNICIPAL WATER UTILITY11K19.465Stable

PELLA WATER WORKS DEPARTMENT11K20.000Stable

WAVERLY WATER DEPARTMENT10K13.614Stable

IOWA LAKES REGIONAL WATER - LAKES AREA9K14.902Stable

KNOXVILLE WATER WORKS8K20.000Stable

PERRY MUNICIPAL WATER WORKS8K7.198Stable

WEBSTER CITY WATER SUPPLY8K7.988Stable

CLEAR LAKE WATER DEPARTMENT8K15.186Stable

DECORAH WATER DEPARTMENT8K5.998Stable

CHARLES CITY WATER SUPPLY7K14.454Stable

WASHINGTON WATER DEPARTMENT7K7.998Stable

WORTH CO INTERCHANGE 214 WATER SUPPLY7K0.000Stable

IOWA LAKES REGIONAL WATER7K7.950Stable

ADEL MUNICIPAL WATER WORKS6K13.548Stable

MAQUOKETA MUNICIPAL WATER6K15.996Stable

XENIA RWD (NORTH)6K15.894Stable

INDEPENDENCE WATER DEPT6K3.994Stable

OELWEIN MUNICIPAL WATER WORKS6K9.062Stable

RED OAK WATER SUPPLY6K15.520Stable

DE WITT WATER SUPPLY6K15.186Stable

SHELDON WATER DEPARTMENT6K19.966Stable

OSCEOLA WATER WORKS6K19.921Stable

WINTERSET MUNICIPAL WATERWORKS5K3.994Stable

CENTERVILLE MUNICIPAL WATERWORKS5K15.724Stable

CHEROKEE WATER SUPPLY - PLANT 15K19.465Stable

IOWA FALLS WATER DEPARTMENT5K9.527Stable

MANCHESTER WATER SUPPLY5K11.266Stable

HARLAN MUNICIPAL UTILITIES5K1.997Stable

SHENANDOAH WATER DEPT5K7.998Stable

EVANSDALE WATER WORKS5K15.321Stable

MOUNT VERNON WATER SUPPLY5K17.390Stable

CHARITON MUNICIPAL WATER WORKS4K16.945Stable

CLARINDA WATER PLANT4K16.468Stable

FOREST CITY WATER SUPPLY4K19.986Stable

HUXLEY WATERWORKS DEPT4K13.066Stable

JEFFERSON WATER DEPARTMENT4K5.464Stable

CARLISLE WATER SUPPLY4K14.924Stable

MONTICELLO WATER SUPPLY4K0.000Stable

CRESCO WATERWORKS4K3.994Stable

WAUKON WATER DEPARTMENT4K7.994Stable

ALBIA MUNICIPAL WATER WORKS4K15.724Stable

WEST CENTRAL RWA - NISH SYSTEM4K17.454Stable

NEW HAMPTON WATER SUPPLY3K7.326Stable