Public water system · IL1490800
ActivePleasant Hill
At a glance
Pleasant Hill (PWSID IL1490800) is an active community water system in Pike County, Illinois. It reports serving 1,004 people through 485 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 September 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,004
Service connections
485
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pleasant Hill compare with other water systems in Pike County?
By EPA's size categories, Pleasant Hill is a small system (501 to 3,300 people). Pike County has 13 active public water systems, and Pleasant Hill is the 5th-largest of them by population served. Its population served is about 18% below the county average of 1,223 people per system, and accounts for 6.3% of the 15,892 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 Pleasant Hill 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 Pleasant Hill?
EPA lists Pleasant Hill 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. 13 of the 13 active systems in Pike County (100%) are also owned by a local government.
Does Pleasant Hill have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2023. The violations listed here began between January 2023 and September 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Chlorine, Toxaphene and Alachlor (Lasso). 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 |
|---|---|---|---|---|
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Polychlorinated biphenyls (PCBs), totalcode 2383 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | 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.
Pleasant Hill: frequently asked questions
Who runs Pleasant Hill?
Pleasant Hill (PWSID IL1490800) is a community water system owned by a local government. It is regulated by the IL state drinking water program.
How many people does Pleasant Hill serve?
Pleasant Hill reports serving 1,004 people through 485 service connections in Pike County, Illinois.
Where does Pleasant Hill 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 Pleasant Hill 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 September 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 Pleasant Hill'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 September 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 Pleasant Hill's water quality report?
As a community water system, Pleasant Hill 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 Pike County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pike County PWD 1 | Pike | 5,375 | Community | Groundwater |
| Pittsfield | Pike | 4,697 | Community | Groundwater |
| Barry | Pike | 1,318 | Community | Groundwater |
| Griggsville | Pike | 1,097 | Community | Groundwater |
| Hull | Pike | 435 | Community | Groundwater |
| Perry | Pike | 388 | Community | Purchased 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, “Pleasant Hill, PWSID IL1490800, Illinois”, https://aquacensus.com/water-systems/illinois/pleasant-hill-il1490800 (data as of October 1, 2026).