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Public water system · KS2008715

Active

Jefferson Co Rwd 9

At a glance

Jefferson Co Rwd 9 (PWSID KS2008715) is an active community water system in Jefferson County, Kansas. It reports serving 352 people through 132 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in December 2020.

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

Population served

352

Service connections

132

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDKS2008715
System typeCommunity water system
Activity statusActive
Population served352
Service connections132
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyKS state drinking water program
City servedOzawkie
StateKansas
ZIP—
CountyJefferson County

How does Jefferson Co Rwd 9 compare with other water systems in Jefferson County?

By EPA's size categories, Jefferson Co Rwd 9 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 1.7% 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 9 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 9?

EPA lists Jefferson Co Rwd 9 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 9 have drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in December 2020. The violations listed here began between May 1996 and December 2020. By type: 3 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2011-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31Groundwater Rulecode 0700NoResolved
2011-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-05-01Contaminant 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 Co Rwd 9: frequently asked questions

Who runs Jefferson Co Rwd 9?

Jefferson Co Rwd 9 (PWSID KS2008715) 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 9 serve?

Jefferson Co Rwd 9 reports serving 352 people through 132 service connections in Jefferson County, Kansas.

Where does Jefferson Co Rwd 9 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 9 have any drinking water violations?

EPA's records list 6 violations for this system; 3 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 9'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; 3 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 9's water quality report?

As a community water system, Jefferson Co Rwd 9 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
Oskaloosa, City ofJefferson1,086CommunityPurchased 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 Co Rwd 9, PWSID KS2008715, Kansas”, https://aquacensus.com/water-systems/kansas/jefferson-co-rwd-9-ks2008715 (data as of October 1, 2026).