Valley Forge ranks below average for tap water safety in PA — health-based violations are documented across multiple service areas in recent EPA monitoring data.

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

Water Quality Map: Valley Forge, PA

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Overview

We track water quality and home safety data for 7 ZIP codes in Valley Forge, Pennsylvania, covering 3 community water systems serving approximately 105,923 people.

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

Home Safety Score

Average Home Safety Score for Valley Forge: D (43/100)

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

Valley Forge water systems draw from: Groundwater, Surface water.

Lead & Copper

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

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

• Zone 1 (High): 7 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 Valley Forge

• 19481 [D]
• 19482 [D]
• 19484 [D]
• 19493 [D]
• 19494 [D]
• 19495 [D]
• 19496 [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.

Climate-Related Water Risk for Valley Forge

Measured across the NFIP's multi-decade tracking period, Valley Forge shows a moderate flood record — 26 claims and 29% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.

26

Total FEMA Flood Claims

$33,849

Avg Claim Payout

29%

ZIPs in FEMA Flood Zones

~1

Est. Claims/Year

Valley Forge has a moderate flood history with 26 FEMA claims averaging $33,849 per payout. 29% 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>$1,900</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.