Warrendale, PA: High Radon Risk — 44/100 (2026)
3 ZIP codes · 2 water systems · Updated 2026-06-03
Across water systems in Warrendale, EPA data shows a below-average compliance pattern for PA — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Warrendale Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Warrendale
2 water utilities share the residential service territory in Warrendale, PA — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 3 ZIP codes in Warrendale, Pennsylvania (population ~665), covering 2 community water systems serving approximately 242,000 people region-wide.
No EPA violations recorded across any ZIP codes in Warrendale — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Warrendale: D (44/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Warrendale water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Warrendale
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 3 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 15086 | D | CRANBERRY TWP WTP | 42,000 |
| 15095 | D | CRANBERRY TWP WTP | 42,000 |
| 15096 | D | CRANBERRY TWP WTP | 42,000 |
All ZIP Codes in Warrendale
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Warrendale: Remediation Cost in Perspective
Property equity in Warrendale runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Warrendale are relatively low compared to home values. The $1,067–$2,100 estimated range is a small fraction of median property value. Home values are 41% above the Pennsylvania average.
Climate-Related Water Risk for Warrendale
A moderate NFIP record for Warrendale — 3 insurance claims paired with 33% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Warrendale has a moderate flood history with 3 FEMA claims averaging $8,471 per payout. 33% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Warrendale
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Warrendale, PA