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

COUNTY WATER-SYSTEM LEDGER

Sioux, Iowa

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

Systems6active CWS · pop. 2,500+
Population served30,105reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Sioux

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

Water systemPopulation servedPrimary sourceCurrent export status
Sioux Center Municipal Water DepartmentIA84860538,231Ground waterNo current violation flagged
Orange City Municipal Water DepartmentIA84740976,267Ground waterNo current violation flagged
Southern Sioux County Rural WaterIA84007335,420Ground waterNo current violation flagged
Rock Valley Water SupplyIA84820964,059Ground waterNo current violation flagged
Rural Water System #1IA84007223,428Groundwater under influence of surface waterNo current violation flagged
Hawarden Water SupplyIA84340402,700Ground waterNo current violation flagged

02 / SOURCE MIX

Ground water5 systems · 26,677 served
Groundwater under influence of surface water1 systems · 3,428 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.