Mars Borough Water Works
EPA ID: PA5100049 · 1,956 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Mars Borough Water Works (PA5100049): 6 violations on record since 2021. Every entry among the 6 violations in EPA records for Mars Borough Water Works has a resolved status in the data; this utility delivers water to about 1,956 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Mars Borough Water Works Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mars Borough Water Works have a median household income of $100,606 and about 27,789 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Mars Borough Water Works'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 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
Mars Borough Water Works (EPA ID: PA5100049) is a community water system in Pennsylvania that serves approximately 1,956 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 0 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 |
|---|---|---|---|
| July 11, 2025 | Public Notice | Non-health-based | Resolved |
| June 1, 2024 | Groundwater Rule | Non-health-based | Resolved |
| March 1, 2023 | Groundwater Rule | Non-health-based | Resolved |
| October 1, 2021 | Combined Uranium | Non-health-based | Resolved |
| October 1, 2021 | Radium-226 | Non-health-based | Resolved |
| October 1, 2021 | Radium-228 | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Groundwater Rule | Other Violation | 2 | 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
Latest reported 90th-percentile lead result for this PWSID: 0.003 mg/L (1996-12-31).
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
3 of 3 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 Mars Borough Water Works (PA5100049) on EPA.gov.
Frequently Asked Questions
Is Mars Borough Water Works water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mars Borough Water Works; its 6 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Mars Borough Water Works serve?
Mars Borough Water Works serves approximately 1,956 people across 3 ZIP codes in Pennsylvania.
Where does Mars Borough Water Works get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mars Borough Water Works (PA): 6 EPA Violations. https://zipcheckup.com/water-system/pa5100049/
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author = {{ZipCheckup}},
title = {{Mars Borough Water Works (PA): 6 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa5100049/}
}
What You Can Do
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Contact your utility
Mars Borough Water Works (EPA ID: PA5100049) - request the latest Consumer Confidence Report or ask about specific contaminants.