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Public water system · IL1770200

Active

Freeport

At a glance

Freeport (PWSID IL1770200) is an active community water system in Stephenson County, Illinois. It reports serving 23,930 people through 13,739 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977.

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

Population served

23,930

Service connections

13,739

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL1770200
System typeCommunity water system
Activity statusActive
Population served23,930
Service connections13,739
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City servedFreeport
StateIllinois
ZIP—
CountyStephenson County

How does Freeport compare with other water systems in Stephenson County?

By EPA's size categories, Freeport is a large system (10,001 to 100,000 people). Stephenson County has 42 active public water systems, and Freeport is the largest of them by population served. Its population served is about 30 times the county average of 811 people per system, and accounts for 70% of the 34,049 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 Freeport is about 3.6 times 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 Freeport?

EPA lists Freeport 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. 29 of the 42 active systems in Stephenson County (69%) are also privately owned.

Does Freeport have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977. By type: 1 monitoring and reporting. The contaminant or rule involved is Gross alpha (excluding radon and uranium). EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1977-06-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

The one violation in EPA's records.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.

Freeport: frequently asked questions

Who runs Freeport?

Freeport (PWSID IL1770200) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Freeport serve?

Freeport reports serving 23,930 people through 13,739 service connections in Stephenson County, Illinois.

Where does Freeport 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 Freeport have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 1977. 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 Freeport'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 one violation for this system; it is not health-based, and the most recent began in June 1977. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Freeport's water quality report?

As a community water system, Freeport 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 Stephenson County

Water systemCountyPopulation servedTypeSource
LenaStephenson2,680CommunityGroundwater
Pearl CityStephenson790CommunityGroundwater
OrangevilleStephenson780CommunityGroundwater
CedarvilleStephenson663CommunityGroundwater
Prairie Path Water Company-Northern HillStephenson600CommunityGroundwater
DavisStephenson589CommunityGroundwater

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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, “Freeport, PWSID IL1770200, Illinois”, https://aquacensus.com/water-systems/illinois/freeport-il1770200 (data as of October 1, 2026).