City of Holton
EPA ID: KS2008503 · 3,329 people served · 1 ZIP code
ZipCheckup's reading of EPA records for City of Holton (KS2008503): no drinking-water violations recorded since 2021. No violations appear in the federal EPA file for City of Holton, which supplies 3,329 people.
Data: EPA SDWIS
Service Area Map
Coverage area for City of Holton Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with City of Holton have a median household income of $68,457 and about 5,666 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
City of Holton's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Kansas
System Overview
City of Holton, (EPA ID: KS2008503) is a community water system in Kansas that serves approximately 3,329 people from surface water sources.
This system serves ZIP code 66436 in Holton.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0029 mg/L | 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
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
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.
- 66436 - Holton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for City of Holton (KS2008503) on EPA.gov.
Frequently Asked Questions
Is City of Holton water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for City of Holton 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 City of Holton serve?
City of Holton serves approximately 3,329 people across 1 ZIP code in Kansas.
Where does City of Holton get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of Holton Water Quality Report, KS. https://zipcheckup.com/water-system/ks2008503/
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author = {{ZipCheckup}},
title = {{City of Holton Water Quality Report, KS}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ks2008503/}
}