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Public water system · IA5131705

Active

Jefferson County Rural Water District

At a glance

Jefferson County Rural Water District (PWSID IA5131705) is an active community water system in Jefferson County, Iowa. It reports serving 468 people through 320 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2024.

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

Population served

468

Service connections

320

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIA5131705
System typeCommunity water system
Activity statusActive
Population served468
Service connections320
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyIA state drinking water program
City servedFairfield
StateIowa
ZIP—
CountyJefferson County

How does Jefferson County Rural Water District compare with other water systems in Jefferson County?

By EPA's size categories, Jefferson County Rural Water District is a very small system (500 people or fewer). Jefferson County has 8 active public water systems, and Jefferson County Rural Water District is the 2nd-largest of them by population served. Its population served is well below the county average of 1,442 people per system, and accounts for 4.1% of the 11,535 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 Jefferson County Rural Water District 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 Jefferson County Rural Water District?

EPA lists Jefferson County Rural Water District as privately owned. 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. 3 of the 8 active systems in Jefferson County (38%) are also privately owned.

Does Jefferson County Rural Water District have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2024. The violations listed here began between June 2001 and July 2024. By type: 3 public notice, recordkeeping or other, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 4 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2024-05-30Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-04-22Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2001-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

Jefferson County Rural Water District: frequently asked questions

Who runs Jefferson County Rural Water District?

Jefferson County Rural Water District (PWSID IA5131705) is a community water system privately owned. It is regulated by the IA state drinking water program.

How many people does Jefferson County Rural Water District serve?

Jefferson County Rural Water District reports serving 468 people through 320 service connections in Jefferson County, Iowa.

Where does Jefferson County Rural Water District 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 Jefferson County Rural Water District have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2024. 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 Jefferson County Rural Water District'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 6 violations for this system; 1 is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Jefferson County Rural Water District's water quality report?

As a community water system, Jefferson County Rural Water District 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 Jefferson County

Water systemCountyPopulation servedTypeSource
Fairfield Water SupplyJefferson9,821CommunityGroundwater
Batavia Water WorksJefferson430CommunityPurchased surface water
Libertyville Water WorksJefferson304CommunityPurchased groundwater
Lockridge Muni Water SupplyJefferson244CommunityPurchased groundwater
Fairfield Estates Mobile Home ParkJefferson140CommunityPurchased groundwater
Ila Campus LLCJefferson68CommunityPurchased 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, “Jefferson County Rural Water District, PWSID IA5131705, Iowa”, https://aquacensus.com/water-systems/iowa/jefferson-county-rural-water-district-ia5131705 (data as of October 1, 2026).