Public water system · IL1130950
ActiveSaybrook
At a glance
Saybrook (PWSID IL1130950) is an active community water system in McLean County, Illinois. It reports serving 679 people through 336 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
679
Service connections
336
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Saybrook compare with other water systems in McLean County?
By EPA's size categories, Saybrook is a small system (501 to 3,300 people). McLean County has 79 active public water systems. Its population served is well below the county average of 2,159 people per system, and accounts for 0.4% of the 170,531 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 Saybrook 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 Saybrook?
EPA lists Saybrook as owned by a local government. 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 79 active systems in McLean County (37%) are also owned by a local government.
Does Saybrook have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2012. The violations listed here began between July 2002 and August 2012. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (2 of them). EPA lists 12 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2011-01-02 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-11-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2006-08-24 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2005-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
The 12 most recent 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.
Saybrook: frequently asked questions
Who runs Saybrook?
Saybrook (PWSID IL1130950) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Saybrook serve?
Saybrook reports serving 679 people through 336 service connections in McLean County, Illinois.
Where does Saybrook 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 Saybrook have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2012. 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 Saybrook'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find Saybrook's water quality report?
As a community water system, Saybrook 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 McLean County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bloomington | McLean | 77,610 | Community | Surface water |
| Normal | McLean | 52,736 | Community | Groundwater |
| Illinois State University-Normal | McLean | 6,600 | Community | Purchased groundwater |
| Le Roy | McLean | 3,498 | Community | Groundwater |
| Heyworth | McLean | 2,853 | Community | Groundwater |
| Lexington | McLean | 1,930 | Community | Groundwater |
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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, “Saybrook, PWSID IL1130950, Illinois”, https://aquacensus.com/water-systems/illinois/saybrook-il1130950 (data as of October 1, 2026).