E Armstrong Cnty Muni Authority
EPA ID: PA5030004 · 1,875 people served · 1 ZIP code
Compliance tracking for E Armstrong Cnty Muni Authority shows 3 pending violations logged in the EPA system — the supplier delivers water to approximately 1,875 residents while those findings remain open.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for E Armstrong Cnty Muni Authority Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The E Armstrong Cnty Muni Authority serves a community with a median household income of $62,708 and an estimated 349 residents across its service area. Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 37% 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?
E Armstrong Cnty Muni Authority'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.
About 3% of homes in Armstrong County, Pennsylvania rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How E Armstrong Cnty Muni Authority compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 2 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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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
E Armstrong Cnty Muni Authority (EPA ID: PA5030004) is a community water system in Pennsylvania that serves approximately 1,875 people from groundwater sources.
This system serves ZIP code 15736 in Elderton.
Average Home Safety Score: D (46/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| September 1, 2023 | Revised Total Coliform Rule | Monitoring | Unresolved |
| September 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| July 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Unresolved |
| January 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2023 | Copper | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead and Copper Rule | Treatment Failure | 3 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | No |
| Copper | Inorganic | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
| Contaminant 0700 | Other Violation | 1 | No |
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 15736 — Elderton
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for E Armstrong Cnty Muni Authority (PA5030004) on EPA.gov.
Frequently Asked Questions
Is E Armstrong Cnty Muni Authority water safe to drink?
E Armstrong Cnty Muni Authority has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does E Armstrong Cnty Muni Authority serve?
E Armstrong Cnty Muni Authority serves approximately 1,875 people across 1 ZIP code in Pennsylvania.
Where does E Armstrong Cnty Muni Authority 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 →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
E Armstrong Cnty Muni Authority (EPA ID: PA5030004) — request the latest Consumer Confidence Report or ask about specific contaminants.