Skip to content
AquaCensus

Public water system · IL0750700

Active

Onarga

Community water system in Iroquois County, Illinois, drawing primarily on groundwater.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,409

Service connections

500

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0750700
System typeCommunity water system
Activity statusActive
Population served1,409
Service connections500
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIL state drinking water program
City servedOnarga
StateIllinois
ZIP

Violations & enforcement

Violations data landing soon.

EPA SDWA violation and enforcement records for Onarga are being ingested from EPA ECHO (updated quarterly) and will appear here. Until then, check EPA ECHO for current compliance history.

Onarga: frequently asked questions

Is Onarga's water safe to drink?

Onarga is an active community water system regulated under the Safe Drinking Water Act, overseen by the IL state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Onarga?

Onarga (PWSID IL0750700) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Onarga serve?

Onarga reports serving 1,409 people through 500 service connections in Iroquois County, Illinois.

Where does Onarga get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Iroquois County

Water systemCountyPopulation servedTypeSource
WatsekaIroquois5,500CommunityGroundwater
GilmanIroquois1,793CommunityGroundwater
CliftonIroquois1,500CommunityGroundwater
MilfordIroquois1,306CommunityGroundwater
ChebanseIroquois1,044CommunityGroundwater
SheldonIroquois900CommunityGroundwater