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Public water system · KS2008713

Active

Jefferson Co Rwd 7

At a glance

Jefferson Co Rwd 7 (PWSID KS2008713) is an active community water system in Jefferson County, Kansas. It reports serving 1,180 people through 686 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in December 2020.

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

Population served

1,180

Service connections

686

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDKS2008713
System typeCommunity water system
Activity statusActive
Population served1,180
Service connections686
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyKS state drinking water program
City servedOskaloosa
StateKansas
ZIP—
CountyJefferson County

How does Jefferson Co Rwd 7 compare with other water systems in Jefferson County?

By EPA's size categories, Jefferson Co Rwd 7 is a small system (501 to 3,300 people). Jefferson County has 19 active public water systems, and Jefferson Co Rwd 7 is the 5th-largest of them by population served. Its population served is about 11% above the county average of 1,061 people per system, and accounts for 5.9% of the 20,164 people reported by systems filed under the county. Across Kansas, the 1,041 active systems average 2,800 people each. Nationally, the average active community water system reports serving 6,703 people, so Jefferson Co Rwd 7 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. Kansas has 863 active community water systems, 83% of the state's 1,041 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 587 Kansas systems (56%) list groundwater as their primary source.

Who owns and regulates Jefferson Co Rwd 7?

EPA lists Jefferson Co Rwd 7 as owned by a local government. The KS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 17 of the 19 active systems in Jefferson County (89%) are also owned by a local government.

Does Jefferson Co Rwd 7 have drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in December 2020. The violations listed here began between July 1993 and December 2020. By type: 5 monitoring and reporting, 1 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (6 of them). EPA lists 8 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
2020-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2008-08-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2006-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-07-01Required treatment not metOCCT/SOWT Study/Recommendation · code 57Lead and Copper Rulecode 5000YesResolved
1994-01-01Monitoring and reportingWater Quality Parameter M/R · code 53Lead and Copper Rulecode 5000NoResolved
1994-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-07-01Public notice, recordkeeping or otherNotification, Public · code 06Lead and Copper Rulecode 5000NoResolved

All 8 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 Co Rwd 7: frequently asked questions

Who runs Jefferson Co Rwd 7?

Jefferson Co Rwd 7 (PWSID KS2008713) is a community water system owned by a local government. It is regulated by the KS state drinking water program.

How many people does Jefferson Co Rwd 7 serve?

Jefferson Co Rwd 7 reports serving 1,180 people through 686 service connections in Jefferson County, Kansas.

Where does Jefferson Co Rwd 7 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 Jefferson Co Rwd 7 have any drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in December 2020. 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 Co Rwd 7'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 8 violations for this system; 2 are health-based, and the most recent began in December 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.

Where can I find Jefferson Co Rwd 7's water quality report?

As a community water system, Jefferson Co Rwd 7 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
Jefferson Co Rwd 12Jefferson3,635CommunityPurchased surface water
Jefferson Co Rwd 3Jefferson2,435CommunityGroundwater
Jefferson Co Rwd 1Jefferson2,343CommunityGroundwater
Jefferson Co Rwd 13Jefferson2,115CommunityGroundwater
Oskaloosa, City ofJefferson1,086CommunityPurchased groundwater
Valley Falls, City ofJefferson1,086CommunitySurface 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, “Jefferson Co Rwd 7, PWSID KS2008713, Kansas”, https://aquacensus.com/water-systems/kansas/jefferson-co-rwd-7-ks2008713 (data as of October 1, 2026).