Public water system · IA8920001
ActiveCantril Water Supply
At a glance
Cantril Water Supply (PWSID IA8920001) is an active community water system in Van Buren County, Iowa. It reports serving 224 people through 142 service connections. Its primary water source is purchased surface water, 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 February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
224
Service connections
142
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Cantril Water Supply compare with other water systems in Van Buren County?
By EPA's size categories, Cantril Water Supply is a very small system (500 people or fewer). Van Buren County has 7 active public water systems. Its population served is about half of the county average of 456 people per system, and accounts for 7% of the 3,195 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 Cantril 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 119 Iowa systems (6.5%) list purchased surface water as their primary source.
Who owns and regulates Cantril Water Supply?
EPA lists Cantril 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. 7 of the 7 active systems in Van Buren County (100%) are also owned by a local government.
Does Cantril 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 February 2026. The violations listed here began between October 2022 and February 2026. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Nitrite. EPA lists 1 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | 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.
Cantril Water Supply: frequently asked questions
Who runs Cantril Water Supply?
Cantril Water Supply (PWSID IA8920001) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Cantril Water Supply serve?
Cantril Water Supply reports serving 224 people through 142 service connections in Van Buren County, Iowa.
Where does Cantril Water Supply get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Cantril 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 February 2026. 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 Cantril 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 February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Cantril Water Supply's water quality report?
As a community water system, Cantril 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 Van Buren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Keosauqua Water Works | Van Buren | 961 | Community | Purchased surface water |
| Farmington Water Supply | Van Buren | 601 | Community | Purchased groundwater |
| Bonaparte Water Supply | Van Buren | 390 | Community | Purchased surface water |
| Milton Water Supply | Van Buren | 380 | Community | Purchased surface water |
| Birmingham Water Supply | Van Buren | 367 | Community | Purchased surface water |
| Stockport Water Supply | Van Buren | 272 | Community | Purchased surface water |
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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, “Cantril Water Supply, PWSID IA8920001, Iowa”, https://aquacensus.com/water-systems/iowa/cantril-water-supply-ia8920001 (data as of October 1, 2026).