Jefferson Company Rwd 7
EPA ID: KS2008713 · 1,180 people served · 6 ZIP codes
ZipCheckup's reading of EPA records for Jefferson Company Rwd 7 (KS2008713): no drinking-water violations recorded since 2021. Jefferson Company Rwd 7 is listed without violations in federal records, across a service area of 1,180 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Jefferson Company Rwd 7 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Jefferson Company Rwd 7 have a median household income of $78,888 and about 13,420 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Jefferson Company Rwd 7's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Kansas
System Overview
Jefferson Company Rwd 7 (EPA ID: KS2008713) is a community water system in Kansas that serves approximately 1,180 people from groundwater sources.
This system provides water to 6 ZIP codes across 6 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
6 of 6 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by KS or modeled from parcel and building-footprint data.
- 66054 - Mc Louth
- 66066 - Oskaloosa
- 66070 - Ozawkie
- 66073 - Perry
- 66088 - Valley Falls
- 66097 - Winchester
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Jefferson Company Rwd 7 (KS2008713) on EPA.gov.
Frequently Asked Questions
Is Jefferson Company Rwd 7 water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Jefferson Company Rwd 7 in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Jefferson Company Rwd 7 serve?
Jefferson Company Rwd 7 serves approximately 1,180 people across 6 ZIP codes in Kansas.
Where does Jefferson Company Rwd 7 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Jefferson Company Rwd 7 Water Quality Report, KS. https://zipcheckup.com/water-system/ks2008713/
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title = {{Jefferson Company Rwd 7 Water Quality Report, KS}},
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