Mountaintop Reg Water Authority
EPA ID: PA4140090 · 3,456 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Mountaintop Reg Water Authority (PA4140090): 1 health-based violation recorded since 2021. Past violations at Mountaintop Reg Water Authority total 9, all marked resolved; it supplies 3,456 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Mountaintop Reg Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mountaintop Reg Water Authority have a median household income of $66,198 and about 3,381 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Mountaintop Reg Water Authority'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.
Superfund Proximity Note: This service area ranks in the 63th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Pennsylvania
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
Mountaintop Reg Water Authority (EPA ID: PA4140090) is a community water system in Pennsylvania that serves approximately 3,456 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 5 resolved, 4 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2025 | Revised Total Coliform Rule | Non-health-based | Archived |
| October 1, 2025 | Gross Alpha | Non-health-based | Archived |
| October 1, 2025 | Radium-226 | Non-health-based | Archived |
| October 1, 2025 | Radium-228 | Non-health-based | Archived |
| February 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| October 1, 2022 | Combined Uranium | Non-health-based | Resolved |
| November 14, 2021 | Public Notice | Non-health-based | Resolved |
| October 4, 2021 | Revised Total Coliform Rule | Health-based | Resolved |
| October 4, 2021 | Revised Total Coliform Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Treatment Technique, Monitoring & Reporting | 4 | Yes |
| Gross Alpha | Monitoring & Reporting | 1 | No |
| Combined Uranium | Monitoring & Reporting | 1 | No |
| Radium-226 | Monitoring & Reporting | 1 | No |
| Radium-228 | Monitoring & Reporting | 1 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
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 | 2025-09-30 |
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
4 of 4 ZIP records with known zones are 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 PA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Mountaintop Reg Water Authority (PA4140090) on EPA.gov.
Frequently Asked Questions
Is Mountaintop Reg Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mountaintop Reg Water Authority; its 9 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Mountaintop Reg Water Authority serve?
Mountaintop Reg Water Authority serves approximately 3,456 people across 4 ZIP codes in Pennsylvania.
Where does Mountaintop Reg Water Authority get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mountaintop Reg Water Authority (PA): 1 Health Violation. https://zipcheckup.com/water-system/pa4140090/
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author = {{ZipCheckup}},
title = {{Mountaintop Reg Water Authority (PA): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa4140090/}
}
What You Can Do
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Contact your utility
Mountaintop Reg Water Authority (EPA ID: PA4140090) - request the latest Consumer Confidence Report or ask about specific contaminants.