Public water compliance in Carnegie falls below the PA baseline — elevated violation rates are on record.

Data: EPA SDWIS Last verified: 2026-06-03

Overview

We track water quality and home safety data for 2 ZIP codes in Carnegie, Pennsylvania (population ~19,165), covering 2 community water systems serving approximately 536,354 people region-wide.

No EPA violations recorded across any ZIP codes in Carnegie — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Carnegie: D (40/100)

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

Carnegie water systems draw from: Surface water.

Lead & Copper

• Lead data: not yet available for Carnegie
• 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

• Zone 1 (High): 2 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

All ZIP Codes in Carnegie

• 15106 [D]
• 15288 [D]

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.

Carnegie: Remediation Cost in Perspective

Viewed from a financial planning lens, Carnegie sits in the moderate remediation-share tier — the equity impact of addressing documented issues is real, and deliberate preparation separates smooth outcomes from disruptive ones for most homeowners.

Median Home Value

$190,700

Est. Remediation

$2,100

Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Carnegie. The estimated $1,400–$2,750 range is manageable for most homeowners but still worth budgeting for. Home values are 11% below the Pennsylvania average.

Climate-Related Water Risk for Carnegie

50% of ZIP codes in Carnegie are mapped into FEMA-designated flood zones, and the NFIP records 116 claims reflecting a multi-event flood history. That combination places local flood exposure in the range where water-quality implications deserve at least periodic attention.

116

Total FEMA Flood Claims

$37,387

Avg Claim Payout

50%

ZIPs in FEMA Flood Zones

~6

Est. Claims/Year

Carnegie has a moderate flood history with 116 FEMA claims averaging $37,387 per payout. 50% 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>$2,100</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.