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Public water system · IA8930038

Active

Farmington Water Supply

At a glance

Farmington Water Supply (PWSID IA8930038) is an active community water system in Van Buren County, Iowa. It reports serving 601 people through 327 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in June 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

601

Service connections

327

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIA8930038
System typeCommunity water system
Activity statusActive
Population served601
Service connections327
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedFarmington
StateIowa
ZIP—
CountyVan Buren County

How does Farmington Water Supply compare with other water systems in Van Buren County?

By EPA's size categories, Farmington Water Supply is a small system (501 to 3,300 people). Van Buren County has 7 active public water systems, and Farmington Water Supply is the 2nd-largest of them by population served. Its population served is about 32% above the county average of 456 people per system, and accounts for 19% 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 Farmington 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.

Who owns and regulates Farmington Water Supply?

EPA lists Farmington 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 Farmington Water Supply have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in June 2023. The violations listed here began between April 1999 and June 2023. By type: 5 contaminant level above the legal limit, 3 monitoring and reporting, 3 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Nitrate (4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-06-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2012-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2011-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1999-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesResolved
1999-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesResolved
1999-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1999-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1999-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesResolved
1999-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesResolved

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.

Farmington Water Supply: frequently asked questions

Who runs Farmington Water Supply?

Farmington Water Supply (PWSID IA8930038) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Farmington Water Supply serve?

Farmington Water Supply reports serving 601 people through 327 service connections in Van Buren County, Iowa.

Where does Farmington Water Supply get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Farmington Water Supply have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in June 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 Farmington 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in June 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 Farmington Water Supply's water quality report?

As a community water system, Farmington 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 systemCountyPopulation servedTypeSource
Keosauqua Water WorksVan Buren961CommunityPurchased surface water
Bonaparte Water SupplyVan Buren390CommunityPurchased surface water
Milton Water SupplyVan Buren380CommunityPurchased surface water
Birmingham Water SupplyVan Buren367CommunityPurchased surface water
Stockport Water SupplyVan Buren272CommunityPurchased surface water
Cantril Water SupplyVan Buren224CommunityPurchased 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, “Farmington Water Supply, PWSID IA8930038, Iowa”, https://aquacensus.com/water-systems/iowa/farmington-water-supply-ia8930038 (data as of October 1, 2026).