Casey

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

Dataset updated July 2026 . Source: EPA SDWIS/ECHO public records.

Population served

3,274

Service connections

1,778

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIL0230050

System typeCommunity water system

Activity statusActive

Population served3,274

Service connections1,778

Primary water sourcePurchased groundwater

Owner typeLocal government

Primacy agencyIL state drinking water program

City servedCasey

StateIllinois

ZIP—

CountyClark County →

Violations & enforcement

Began	Violation	Contaminant	Health-based	Status
2025-07-01	72	7000	No	Unaddressed
2022-07-01	72	7000	No	Resolved
2021-02-23	58	5000	Yes	Resolved
2019-07-01	72	7000	No	Resolved
2019-01-01	57	5000	Yes	Resolved
2018-07-01	53	5000	No	Resolved
2017-09-01	27	2950	No	Resolved
2017-09-01	27	2456	No	Resolved
1999-04-01	59	5000	Yes	Resolved
1999-01-01	59	5000	Yes	Resolved
1998-01-01	53	5000	No	Resolved
1997-07-01	02	1041	Yes	Resolved

Casey: frequently asked questions

Is Casey's water safe to drink?

Casey 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 Casey?

Casey (PWSID IL0230050) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Casey serve?

Casey reports serving 3,274 people through 1,778 service connections in Clark County, Illinois.

Where does Casey get its water?

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

Other water systems in Clark County

Water system	County	Population served	Type	Source
Las Vegas Valley Water District	Clark	1,539,277	Community	Purchased surface water
North Las Vegas Utilities	Clark	376,515	Community	Purchased surface water
Vancouver City of	Clark	373,047	Community	Groundwater
Henderson City of	Clark	336,534	Community	Purchased surface water
Clark Public Utilities	Clark	153,526	Community	Groundwater
Indiana American Water - S. Indiana	Clark	104,445	Community	Groundwater