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Public water system · KS2008709

Active

Jefferson Co Rwd 10

At a glance

Jefferson Co Rwd 10 (PWSID KS2008709) is an active community water system in Jefferson County, Kansas. It reports serving 300 people through 122 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.

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

Population served

300

Service connections

122

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDKS2008709
System typeCommunity water system
Activity statusActive
Population served300
Service connections122
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyKS state drinking water program
City servedOzawkie
StateKansas
ZIP—
CountyJefferson County

How does Jefferson Co Rwd 10 compare with other water systems in Jefferson County?

By EPA's size categories, Jefferson Co Rwd 10 is a very small system (500 people or fewer). Jefferson County has 19 active public water systems. Its population served is well below the county average of 1,061 people per system, and accounts for 1.5% 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 10 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 10?

EPA lists Jefferson Co Rwd 10 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 10 have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between July 1993 and July 2025. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 11 as resolved and 1 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
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2021-05-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2020-12-31Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2020-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-02-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-08-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2009-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1999-10-19Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1993-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

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.

Jefferson Co Rwd 10: frequently asked questions

Who runs Jefferson Co Rwd 10?

Jefferson Co Rwd 10 (PWSID KS2008709) 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 10 serve?

Jefferson Co Rwd 10 reports serving 300 people through 122 service connections in Jefferson County, Kansas.

Where does Jefferson Co Rwd 10 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 10 have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. 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 10'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, none is health-based, and the most recent began in July 2025. 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 10's water quality report?

As a community water system, Jefferson Co Rwd 10 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
Jefferson Co Rwd 7Jefferson1,180CommunityGroundwater
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 10, PWSID KS2008709, Kansas”, https://aquacensus.com/water-systems/kansas/jefferson-co-rwd-10-ks2008709 (data as of October 1, 2026).