Warren, PA: 45 Violations — 78/100 (2026)
5 ZIP codes · 4 water systems · Updated 2026-06-03
How does Warren tap water hold up under EPA scrutiny? Above average for PA — documented violations are uncommon and the safety grade reflects a clean overall record.
How Warren Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Warren, PA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Warren's 5 ZIP codes.
Key Facts for Warren Residents
- Your city's water systems recorded 45 violations in the past 5 years.
- Average lead level: 0.002 mg/L.
- Estimated remediation: $640 per household.
Warren's Water Providers
Residential addresses in Warren, PA are served by 3 primary water providers out of 4 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 5 ZIP codes in Warren, Pennsylvania, covering 4 community water systems serving approximately 17,303 people.
5 of 5 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Warren: B (78/100)
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
Warren water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0020 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 5 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 24 | 5 |
| Consumer Confidence Report Rule | Reporting | 12 | 5 |
| Contaminant 0700 | Other | 12 | 5 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 6 | 5 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 16365 | B | 9 | 0 | Pa American Water Company Warren |
| 16366 | B | 9 | 0 | Pa American Water Company Warren |
| 16367 | B | 9 | 0 | Pa American Water Company Warren |
| 16368 | B | 9 | 0 | Pa American Water Company Warren |
| 16369 | B | 9 | 0 | Pa American Water Company Warren |
All ZIP Codes in Warren
- 16365 [B] — 9 violations
- 16366 [B] — 9 violations
- 16367 [B] — 9 violations
- 16368 [B] — 9 violations
- 16369 [B] — 9 violations
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.
What's in Warren's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Warren
Property equity in Warren 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 Warren are relatively low compared to home values. The $160–$1,160 estimated range is a small fraction of median property value. Home values are 45% below the Pennsylvania average.
Warren: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Warren appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Warren: Flood History & Water Damage Risk
NFIP records stretching across multiple decades show Warren accumulating 32 claims and carrying 20% of its ZIP codes inside FEMA flood zones — evidence of meaningful exposure that extends beyond isolated incidents. The mechanisms linking flooding to water quality haven't changed: treatment facilities can be overwhelmed, wells can be infiltrated, and distribution systems can experience backflow. For a community at this exposure level, those mechanisms shift from hypothetical to periodically relevant.
Warren has a moderate flood history with 32 FEMA claims averaging $11,236 per payout. 20% 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>$640</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.
Deep Dive Reports
Detailed analysis for Warren, PA