Selinsgrove Muni Authority
EPA ID: PA4550005 · 5,584 people served · 1 ZIP code
Based on the latest federal compliance data, Selinsgrove Muni Authority has 1 violation that the EPA has not yet closed — those outstanding findings are part of the enforcement record for a utility that delivers water to approximately 5,584 people throughout its service territory.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Selinsgrove Muni Authority Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Selinsgrove Muni Authority serves a community with a median household income of $71,921 and an estimated 14,538 residents across its service area. 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?
Selinsgrove 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 2% of homes in Snyder County, Pennsylvania rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Selinsgrove Muni Authority compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
E. coli at 13 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.
Revised Total Coliform Rule at 12 presence exceeds the EPA maximum of presence.
Fecal Coliform at 11 presence exceeds the EPA maximum of presence.
Chlorite at 10 mg/L exceeds the EPA maximum of 1 mg/L. Anemia and nervous system effects in infants and children. Consider ferrous sulfate reduction filtration.
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
Selinsgrove Muni Authority (EPA ID: PA4550005) is a community water system in Pennsylvania that serves approximately 5,584 people from groundwater sources.
This system serves ZIP code 17870 in Selinsgrove.
Average Home Safety Score: D (54/100)
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 |
|---|---|---|---|
| July 1, 2024 | Chlorite | Monitoring | Resolved |
| April 1, 2024 | Chlorite | Monitoring | Resolved |
| March 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 1, 2024 | Barium | Monitoring | Unresolved |
| January 1, 2024 | Chlorite | Monitoring | Resolved |
| January 1, 2024 | Contaminant 1045 | Monitoring | Resolved |
| November 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2023 | Copper | Monitoring | Resolved |
| August 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| August 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| August 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| August 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2023 | Fecal Coliform | Monitoring | Resolved |
| July 1, 2023 | Haloacetic Acids (HAA5) | Monitoring | Resolved |
| June 1, 2023 | E. coli | Monitoring | Resolved |
| June 1, 2023 | Fecal Coliform | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| E. coli | Microbiological | 13 | No |
| Revised Total Coliform Rule | Microbiological | 12 | No |
| Fecal Coliform | Microbiological | 11 | No |
| Chlorite | Disinfection Byproducts | 10 | No |
| Contaminant 0700 | Other Violation | 5 | Yes |
| Lead and Copper Rule | Treatment Failure | 3 | No |
| Consumer Confidence Report Rule | Reporting Failure | 3 | No |
| Barium | Inorganic | 1 | No |
| Copper | Inorganic | 1 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Contaminant 2326 | Other Violation | 1 | No |
| Contaminant 2383 | Other Violation | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Combined Radium | Radionuclides | 1 | No |
| Radium-228 | Radionuclides | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 17870 | 0.003 mg/L | No | N/A |
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 PA or modeled from parcel and building-footprint data.
- 17870 — Selinsgrove
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Selinsgrove Muni Authority (PA4550005) on EPA.gov.
Frequently Asked Questions
Is Selinsgrove Muni Authority water safe to drink?
Selinsgrove Muni Authority has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Selinsgrove Muni Authority serve?
Selinsgrove Muni Authority serves approximately 5,584 people across 1 ZIP code in Pennsylvania.
Where does Selinsgrove 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:
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
Selinsgrove Muni Authority (EPA ID: PA4550005) — request the latest Consumer Confidence Report or ask about specific contaminants.