CITY REPORT PA

North Wales, PA: 32 Violations — 54/100 (2026)

2 ZIP codes · 6 water systems · Updated 2026-06-04

Systems across North Wales show elevated violation counts against PA benchmarks — the low safety grade reflects that ongoing compliance pattern.

How North Wales Compares

North Wales54/100
Pennsylvania avg55/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-04

2
ZIP Codes
6
Water Systems
2
ZIPs with Violations
D · 54
Avg Safety Score
Zone 1
Radon Risk (High)
$438K
Median Home Value
$2,100
Est. Remediation (0.5% of home value)

What You Should Know About North Wales Water

  • Your city's water systems recorded 32 violations in the past 5 years.
  • Average lead level: 0.0016 mg/L.
  • Estimated remediation: $2,100 per household.

Who Supplies Your Water in North Wales

In North Wales, PA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 6 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.

North Wales Water Authority
Serves ~72,496 people · 32 violations
53
/100
Horsham Water&sewer Authority
Serves ~26,000 people · 16 violations
53
/100
Nwwa Warrington Township
Serves ~21,588 people · 32 violations
53
/100

Overview

We track water quality and home safety data for 2 ZIP codes in North Wales, Pennsylvania (population ~28,141), covering 6 community water systems serving approximately 122,984 people region-wide.

2 of 2 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for North Wales: D (54/100)

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

North Wales water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0016 mg/L (EPA action level: 0.015 mg/L)
  • 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.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Contaminant 0700 Other 21 2
E. coli Microbiological 6 2
Fecal Coliform Microbiological 6 2
Contaminant 2005 Other 3 2
Total Trihalomethanes (TTHM) Disinfection Byproducts 3 2

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
19454 D 16 0 North Wales Water Authority
19455 D 16 0 North Wales Water Authority

All ZIP Codes in North Wales

  • 19454 [D] — 16 violations
  • 19455 [D] — 16 violations

Data Sources

Updated daily.

Top Contaminants in North Wales Water

Contaminant 0700 21 violations
Other
E. coli 6 violations
Microbiological
Gastrointestinal illness, potentially fatal
Fecal Coliform 6 violations
Microbiological

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Cost Context: What Remediation Means for North Wales Homeowners

Setting North Wales remediation figures against its property market, the resulting ratio sits comfortably in the low tier — a classification that reflects the kind of household financial position where most homeowners can identify documented issues, schedule the work, and absorb the cost without it registering as a significant budget disruption.

Median Home Value
$438,200
Est. Remediation
$2,100
Remediation as % of home value 0.5%

Remediation costs in North Wales are relatively low compared to home values. The $1,400–$2,800 estimated range is a small fraction of median property value. Home values are 105% above the Pennsylvania average.

Lead Exposure Risk for Children in North Wales

0.0016
mg/L Avg Lead (Limit: 0.015)

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 North Wales 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.

Flood & Climate Risk in North Wales

Flood exposure in North Wales is meaningful by NFIP measures — 24 claims on record and 50% of ZIP codes carrying FEMA flood zone designations. That level of activity makes flood history a relevant factor when evaluating local water quality over time.

24
Total FEMA Flood Claims
$11,116
Avg Claim Payout
50%
ZIPs in FEMA Flood Zones
~1
Est. Claims/Year

North Wales has a moderate flood history with 24 FEMA claims averaging $11,116 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.

What You Can Do in North Wales

  1. 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.
  2. Install a certified water filter. Filters rated for Contaminant 0700 can reduce the most common contaminant found in North Wales's water.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in North Wales, PA?
North Wales has an average water safety score of 54/100 (Grade D). 32 EPA violations have been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does North Wales have?
North Wales water systems have a total of 32 EPA violations. Violations are tracked across 2 ZIP codes.
Does North Wales water have lead?
The average 90th-percentile lead level in North Wales is 0.0016 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does North Wales compare to Pennsylvania average?
North Wales has an average water safety score of 54/100, which is below the Pennsylvania state average of 55/100.
How many water systems serve North Wales?
North Wales is served by 6 public water systems across 2 ZIP codes, serving approximately 28,141 people.
How much does it cost to fix water issues in North Wales?
Estimated remediation costs in North Wales average $2,100 per household, ranging from $1,400 to $2,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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