Public water system · KS2008706
ActiveJefferson Co Rwd 1
At a glance
Jefferson Co Rwd 1 (PWSID KS2008706) is an active community water system in Jefferson County, Kansas. It reports serving 2,343 people through 1,003 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, 3 are health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,343
Service connections
1,003
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Jefferson Co Rwd 1 compare with other water systems in Jefferson County?
By EPA's size categories, Jefferson Co Rwd 1 is a small system (501 to 3,300 people). Jefferson County has 19 active public water systems, and Jefferson Co Rwd 1 is the 3rd-largest of them by population served. Its population served is about 121% above the county average of 1,061 people per system, and accounts for 12% 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 1 is about 65% 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 1?
EPA lists Jefferson Co Rwd 1 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 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2021. The violations listed here began between January 2014 and October 2021. By type: 7 monitoring and reporting, 3 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Asbestos (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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-05-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-01-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-04-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Asbestoscode 1094 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Asbestoscode 1094 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Asbestoscode 1094 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
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 1: frequently asked questions
Who runs Jefferson Co Rwd 1?
Jefferson Co Rwd 1 (PWSID KS2008706) 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 1 serve?
Jefferson Co Rwd 1 reports serving 2,343 people through 1,003 service connections in Jefferson County, Kansas.
Where does Jefferson Co Rwd 1 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 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2021. 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 1'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, 3 are health-based, and the most recent began in October 2021. 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 1's water quality report?
As a community water system, Jefferson Co Rwd 1 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jefferson Co Rwd 12 | Jefferson | 3,635 | Community | Purchased surface water |
| Jefferson Co Rwd 3 | Jefferson | 2,435 | Community | Groundwater |
| Jefferson Co Rwd 13 | Jefferson | 2,115 | Community | Groundwater |
| Jefferson Co Rwd 7 | Jefferson | 1,180 | Community | Groundwater |
| Oskaloosa, City of | Jefferson | 1,086 | Community | Purchased groundwater |
| Valley Falls, City of | Jefferson | 1,086 | Community | 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, “Jefferson Co Rwd 1, PWSID KS2008706, Kansas”, https://aquacensus.com/water-systems/kansas/jefferson-co-rwd-1-ks2008706 (data as of October 1, 2026).