Walnutport Authority
EPA ID: PA3480032 · 3,000 people served · 4 ZIP codes
In the five-year tracking period, Walnutport Authority filed 40 violations — each has been cleared, and the utility now meets all federal standards for its 3,000 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 10 (2022) to 8 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Walnutport Authority Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Walnutport Authority serves a community with a median household income of $76,025 and an estimated 11,958 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Walnutport Authority's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Northampton 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 70th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How Walnutport Authority compares to EPA limits
What This Means For You
Contaminant 0700 at 13 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 11 presence exceeds the EPA maximum of presence.
Surface Water Treatment Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
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
WALNUTPORT AUTHORITY (EPA ID: PA3480032) is a community water system in Pennsylvania that serves approximately 3,000 people from surface water sources.
This system provides water to 4 ZIP codes across 4 communities.
Average Home Safety Score: D (43/100)
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, 2025 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| April 1, 2025 | Revised Total Coliform Rule | Monitoring | Resolved |
| April 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| September 14, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| September 14, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| September 12, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| August 1, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| July 1, 2024 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| February 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| February 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| January 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| November 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| November 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| August 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 13 | Yes |
| Revised Total Coliform Rule | Microbiological | 11 | No |
| Surface Water Treatment Rule | Treatment Failure | 6 | No |
| Lead and Copper Rule | Treatment Failure | 3 | No |
| Consumer Confidence Report Rule | Reporting Failure | 3 | Yes |
| Total Organic Carbon | Disinfection Byproducts | 2 | No |
| Copper | Inorganic | 1 | No |
| Contaminant 1085 | Other Violation | 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 |
|---|---|---|---|
| 18088 | 0.0375 mg/L | Yes | 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: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 3 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Walnutport Authority (PA3480032) on EPA.gov.
Frequently Asked Questions
Is Walnutport Authority water safe to drink?
Walnutport Authority has recorded 4 health-based violations 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 Walnutport Authority serve?
Walnutport Authority serves approximately 3,000 people across 4 ZIP codes in Pennsylvania.
Where does Walnutport Authority get its water?
The primary water source is surface water.
PFAS Substances Detected in This System
This water system's Consumer Confidence Report disclosed the following PFAS compounds. Levels are from the utility's most recent reporting cycle.
In April 2024, EPA finalized the first National Primary Drinking Water Regulation for six PFAS. Public water systems have until 2029 to comply. EPA — PFAS regulation overview →
Source: Consumer Confidence Report disclosed by WALNUTPORT AUTHORITY.
ZipCheckup is not affiliated with this water utility. PFAS detection data is sourced from public Consumer Confidence Reports filed by the utility itself.
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
Walnutport Authority (EPA ID: PA3480032) — request the latest Consumer Confidence Report or ask about specific contaminants.