Public water system · IA2307001
ActiveAndover Water Supply
At a glance
Andover Water Supply (PWSID IA2307001) is an active community water system in Clinton County, Iowa. It reports serving 109 people through 48 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
109
Service connections
48
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Andover Water Supply compare with other water systems in Clinton County?
By EPA's size categories, Andover Water Supply is a very small system (500 people or fewer). Clinton County has 29 active public water systems. Its population served is well below the county average of 1,391 people per system, and accounts for 0.3% of the 40,325 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Andover Water Supply 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Andover Water Supply?
EPA lists Andover Water Supply as owned by a local government. The IA 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 29 active systems in Clinton County (45%) are also owned by a local government.
Does Andover Water Supply have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2023. The violations listed here began between July 2021 and November 2023. By type: 1 monitoring and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule and Consumer Confidence Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 2 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.
Andover Water Supply: frequently asked questions
Who runs Andover Water Supply?
Andover Water Supply (PWSID IA2307001) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Andover Water Supply serve?
Andover Water Supply reports serving 109 people through 48 service connections in Clinton County, Iowa.
Where does Andover Water Supply 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 Andover Water Supply have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 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 Andover Water Supply'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 2 violations for this system; none is health-based, and the most recent began in November 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Andover Water Supply's water quality report?
As a community water system, Andover Water Supply 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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Iowa-American Wtr Co-Clinton District | Clinton | 24,769 | Community | Groundwater |
| De Witt Water Supply | Clinton | 5,514 | Community | Groundwater |
| Camanche Water Supply | Clinton | 4,570 | Community | Groundwater |
| Wheatland City Water Supply | Clinton | 775 | Community | Groundwater |
| Equistar Chemicals Lp | Clinton | 715 | Non-transient non-community | Groundwater |
| Grand Mound Water Supply | Clinton | 615 | 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, “Andover Water Supply, PWSID IA2307001, Iowa”, https://aquacensus.com/water-systems/iowa/andover-water-supply-ia2307001 (data as of October 1, 2026).