Windsor

Community water system in Shelby County, Illinois, drawing primarily on purchased surface water.

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

Population served

1,200

Service connections

550

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIL1730550

System typeCommunity water system

Activity statusActive

Population served1,200

Service connections550

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyIL state drinking water program

City servedWindsor

StateIllinois

ZIP—

CountyShelby County →

Violations & enforcement

Began	Violation	Contaminant	Health-based	Status
2023-02-17	75	7500	No	Resolved
2023-01-01	27	2456	No	Resolved
2023-01-01	27	2950	No	Resolved
2022-01-25	57	5000	Yes	Resolved
2021-07-01	72	7000	No	Resolved
1995-05-01	22	3100	Yes	Archived
1995-02-01	57	5000	Yes	Resolved
1993-09-01	24	3100	No	Archived
1987-11-23	04	1010	No	Archived
1987-11-23	04	1005	No	Archived
1987-11-23	04	1015	No	Archived
1987-11-23	04	1020	No	Archived

Windsor: frequently asked questions

Is Windsor's water safe to drink?

Windsor 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 Windsor?

Windsor (PWSID IL1730550) is a local government-owned community water system, regulated by the IL state drinking water program.

How many people does Windsor serve?

Windsor reports serving 1,200 people through 550 service connections in Shelby County, Illinois.

Where does Windsor get its water?

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

Other water systems in Shelby County

Water system	County	Population served	Type	Source
Memphis Light, Gas, & Water	Shelby	659,500	Community	Groundwater
Bartlett Water System	Shelby	57,129	Community	Groundwater
Collierville Water Dept	Shelby	51,972	Community	Groundwater
Alabaster Water Board	Shelby	41,061	Community	Purchased surface water
Shelby County Commission-Water Services	Shelby	40,101	Community	Surface water
Pelham Water Works	Shelby	38,703	Community	Purchased surface water