Sewickley Boro Water Authority
EPA ID: PA5020050 · 6,800 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Sewickley Boro Water Authority (PA5020050): 1 unresolved EPA violation on record. Federal data shows 1 unresolved violation at Sewickley Boro Water Authority - roughly 6,800 residents in the service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Sewickley Boro Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary - Grade D
Service Area Demographics
The Sewickley Boro Water Authority serves a community with a median household income of $108,538 and an estimated 85,752 residents across its service area. Approximately 77% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Sewickley Boro Water 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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Sewickley Boro Water Authority compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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. 5 detections recorded.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →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
Sewickley Boro Water Authority (EPA ID: PA5020050) is a community water system in Pennsylvania that serves approximately 6,800 people from groundwater sources.
This system provides water to 3 ZIP codes across 2 communities.
ZIP-Area Home Safety Context: D (48/100)
This is the average Home Safety Score for 1 of 3 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 6 resolved, 2 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| October 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2025 | Lead | Non-health-based | Archived |
| January 1, 2025 | Copper | Non-health-based | Archived |
| December 15, 2024 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| November 4, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| November 4, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| February 1, 2024 | Contaminant 0700 | Non-health-based | Resolved |
| June 1, 2021 | Revised Total Coliform Rule | Non-health-based | Resolved |
| June 1, 2021 | Contaminant 0700 | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 2 | Yes |
| Contaminant 0700 | Other Violation | 2 | No |
| Lead | Inorganic | 1 | No |
| Copper | Inorganic | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00549 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
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 Sewickley Boro Water Authority (PA5020050) on EPA.gov.
Frequently Asked Questions
Is Sewickley Boro Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Sewickley Boro Water Authority serve?
Sewickley Boro Water Authority serves approximately 6,800 people across 3 ZIP codes in Pennsylvania.
Where does Sewickley Boro Water Authority get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
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 →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Sewickley Boro Water Authority (PA): 1 Health Violation. https://zipcheckup.com/water-system/pa5020050/
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title = {{Sewickley Boro Water Authority (PA): 1 Health Violation}},
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url = {https://zipcheckup.com/water-system/pa5020050/}
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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
Sewickley Boro Water Authority (EPA ID: PA5020050) - request the latest Consumer Confidence Report or ask about specific contaminants.