Borough of Avondale
EPA ID: PA1150005 · 1,108 people served · 2 ZIP codes
Borough of Avondale shows 5 open EPA violations in current federal records for approximately 1,108 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Borough of Avondale Source: EPA SDWIS service area boundaries.
Service area boundary — Grade F
Service Area Demographics
The Borough of Avondale serves a community with a median household income of $130,563 and an estimated 24,311 residents across its service area.
💧 Where Does Your Water Come From?
Borough of Avondale'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 1% of homes in Chester County, Pennsylvania rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Borough of Avondale compares to EPA limits
What This Means For You
Contaminant 0700 at 11 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Radium-228 at 1 pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L) exceeds the EPA maximum of pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L). Bone cancer and leukemia (known carcinogen). Consider ion exchange (water softener) filtration.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 10 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Radium-228 was detected in this water system. ion exchange (water softener) 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
Borough of Avondale (EPA ID: PA1150005) is a community water system in Pennsylvania that serves approximately 1,108 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Average Home Safety Score: F (38/100)
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 |
|---|---|---|---|
| April 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| January 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| November 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| June 1, 2024 | Contaminant 0700 | Monitoring | Unresolved |
| May 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| April 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| February 1, 2024 | Contaminant 0700 | Monitoring | Unresolved |
| October 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| June 1, 2023 | Contaminant 0700 | Monitoring | Unresolved |
| February 1, 2023 | Contaminant 0700 | Monitoring | Resolved |
| January 11, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2023 | Contaminant 0700 | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 11 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Radium-228 | Radionuclides | 1 | No |
| Lead and Copper Rule | Treatment Failure | 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
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 the full compliance record for Borough of Avondale (PA1150005) on EPA.gov.
Frequently Asked Questions
Is Borough of Avondale water safe to drink?
Borough of Avondale has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Borough of Avondale serve?
Borough of Avondale serves approximately 1,108 people across 2 ZIP codes in Pennsylvania.
Where does Borough of Avondale get its water?
The primary water source is groundwater.
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 Borough of Avondale.
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
Borough of Avondale (EPA ID: PA1150005) — request the latest Consumer Confidence Report or ask about specific contaminants.