Public water system · IL0574620
ActiveLondon Mills
At a glance
London Mills (PWSID IL0574620) is an active community water system in Fulton County, Illinois. It reports serving 400 people through 170 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 May 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
170
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does London Mills compare with other water systems in Fulton County?
By EPA's size categories, London Mills is a very small system (500 people or fewer). Fulton County has 30 active public water systems. Its population served is about 65% below the county average of 1,128 people per system, and accounts for 1.2% of the 33,849 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 London Mills 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 London Mills?
EPA lists London Mills 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. 19 of the 30 active systems in Fulton County (63%) are also owned by a local government.
Does London Mills have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2023. The violations listed here began between January 2013 and May 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Chlorine, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). 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 |
|---|---|---|---|---|
| 2023-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
London Mills: frequently asked questions
Who runs London Mills?
London Mills (PWSID IL0574620) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does London Mills serve?
London Mills reports serving 400 people through 170 service connections in Fulton County, Illinois.
Where does London Mills 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 London Mills 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 May 2023. 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 London Mills' 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 May 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.
Where can I find London Mills' water quality report?
As a community water system, London Mills 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 Fulton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Canton | Fulton | 16,748 | Community | Groundwater under influence of surface water |
| Il American-Farmington | Fulton | 2,448 | Community | Groundwater |
| Lewistown | Fulton | 2,400 | Community | Groundwater |
| South Fulton Water District | Fulton | 1,430 | Community | Purchased groundwater |
| Astoria | Fulton | 1,375 | Community | Groundwater |
| Cuba | Fulton | 1,184 | Community | Purchased groundwater under influence |
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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, “London Mills, PWSID IL0574620, Illinois”, https://aquacensus.com/water-systems/illinois/london-mills-il0574620 (data as of October 1, 2026).