Blair Twp Water & Sewer Authority
EPA ID: PA4070011 · 2,550 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Blair Twp Water & Sewer Authority (PA4070011): no drinking-water violations recorded since 2021. Violation-free in EPA records - Blair Twp Water & Sewer Authority, 2,550 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Blair Twp Water & Sewer Authority Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: C
Demographics of ZIP Codes Served
The ZIP codes associated with Blair Twp Water & Sewer Authority have a median household income of $69,924 and about 27,111 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 65% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 38% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Blair Twp Water & Sewer 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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
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
Blair Twp Water & Sewer Authority (EPA ID: PA4070011) is a community water system in Pennsylvania that serves approximately 2,550 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
ZIP-Area Home Safety Context: C (67/100)
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
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.001 mg/L (1996-12-31).
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
3 of 3 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 available EPA compliance records for Blair Twp Water & Sewer Authority (PA4070011) on EPA.gov.
Frequently Asked Questions
Is Blair Twp Water & Sewer Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Blair Twp Water & Sewer Authority in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Blair Twp Water & Sewer Authority serve?
Blair Twp Water & Sewer Authority serves approximately 2,550 people across 3 ZIP codes in Pennsylvania.
Where does Blair Twp Water & Sewer Authority get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Blair Twp Water and Sewer Authority Water Quality Report, PA. https://zipcheckup.com/water-system/pa4070011/
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author = {{ZipCheckup}},
title = {{Blair Twp Water and Sewer Authority Water Quality Report, PA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa4070011/}
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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
Blair Twp Water & Sewer Authority (EPA ID: PA4070011) - request the latest Consumer Confidence Report or ask about specific contaminants.