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Public water system · IL1670260

Active

United Regional Water Coop

At a glance

United Regional Water Coop (PWSID IL1670260) is an active community water system in Sangamon County, Illinois. It reports serving 43 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2025.

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

Population served

43

Service connections

18

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1670260
System typeCommunity water system
Activity statusActive
Population served43
Service connections18
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City servedIlliopolis
StateIllinois
ZIP—
CountySangamon County

How does United Regional Water Coop compare with other water systems in Sangamon County?

By EPA's size categories, United Regional Water Coop is a very small system (500 people or fewer). Sangamon County has 43 active public water systems. Its population served is well below the county average of 4,245 people per system, and accounts for less than 0.1% of the 182,536 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so United Regional Water Coop is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.

Who owns and regulates United Regional Water Coop?

EPA lists United Regional Water Coop as privately owned. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 23 of the 43 active systems in Sangamon County (53%) are also privately owned.

Does United Regional Water Coop have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2025. The violations listed here began between October 2022 and April 2025. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Combined Radium (-226 and -228) (2 of them). EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-04-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2022-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved

All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

United Regional Water Coop: frequently asked questions

Who runs United Regional Water Coop?

United Regional Water Coop (PWSID IL1670260) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does United Regional Water Coop serve?

United Regional Water Coop reports serving 43 people through 18 service connections in Sangamon County, Illinois.

Where does United Regional Water Coop get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does United Regional Water Coop have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is United Regional Water Coop's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find United Regional Water Coop's water quality report?

As a community water system, United Regional Water Coop must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Sangamon County

Water systemCountyPopulation servedTypeSource
SpringfieldSangamon117,444CommunitySurface water
ChathamSangamon16,423CommunityPurchased groundwater
Curran-Gardner Township PWDSangamon6,651CommunityGroundwater
WilliamsvilleSangamon6,198CommunityPurchased surface water
AuburnSangamon4,574CommunityPurchased surface water
RivertonSangamon4,279CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “United Regional Water Coop, PWSID IL1670260, Illinois”, https://aquacensus.com/water-systems/illinois/united-regional-water-coop-il1670260 (data as of October 1, 2026).