EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Rock Island, Illinois

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems7active CWS · pop. 2,500+
Population served128,983reported total; may overlap
Current violation flag42.9%3 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Rock Island

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
MolineIL161045044,500Surface waterNo current violation flagged
Rock IslandIL161065039,018Surface waterOther current violation flag
East MolineIL161025021,374Surface waterNo current violation flagged
Rock Island Arsenal, US ArmyIL16153877,800Surface waterNo current violation flagged
SilvisIL16107007,473Surface water purchasedCurrent health-based flag
MilanIL16104004,945Ground waterCurrent monitoring/reporting flag
Coal ValleyIL16142603,873Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water4 systems · 112,692 served
Ground water2 systems · 8,818 served
Surface water purchased1 systems · 7,473 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.