Adams County Regional Water District Public Water System
EPA ID: OH0100012 · 21,810 people served · 12 ZIP codes
ZipCheckup's reading of EPA SDWIS for Adams County Regional Water District Public Water System (OH0100012): no EPA violations recorded in the last five years. Zero violations in five consecutive years of EPA monitoring - Adams County Regional Water District Public Water System has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 21,810 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Adams County Regional Water District Public Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Adams County Regional Water District Public Water System serves a community with a median household income of $53,452 and an estimated 45,554 residents across its service area. Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 83% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Adams County Regional Water District Public Water System's water is pumped from underground aquifers. 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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded.
Comparable Water Systems
Similar-sized systems in Ohio
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Adams County Regional Water District Public Water System (EPA ID: OH0100012) is a community water system in Ohio that serves approximately 21,810 people from groundwater sources.
This system provides water to 12 ZIP codes across 12 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0018 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 OH or modeled from parcel and building-footprint data.
- 45101 - Aberdeen
- 45144 - Manchester
- 45167 - Ripley
- 45171 - Sardinia
- 45616 - Blue Creek
- 45650 - Lynx
- 45657 - Otway
- 45660 - Peebles
- 45679 - Seaman
- 45684 - Stout
- 45693 - West Union
- 45697 - Winchester
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Adams County Regional Water District Public Water System (OH0100012) on EPA.gov.
Frequently Asked Questions
Is Adams County Regional Water District Public Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Adams County Regional Water District Public Water System 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 Adams County Regional Water District Public Water System serve?
Adams County Regional Water District Public Water System serves approximately 21,810 people across 12 ZIP codes in Ohio.
Where does Adams County Regional Water District Public Water System get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Adams County Regional Water District Public Water System, OH. https://zipcheckup.com/water-system/oh0100012/
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