Water Quality Report

James Creek, PA (16657): High Radon Potential Area

EPA data for Walker Twp Muni Authority

High County Radon Potential

EPA records for the water systems mapped to 16657 in James Creek, PA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality No violations
Lead Risk Below action level 0.003 mg/L, 90th percentile, sample period ending 1996-06-30
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result of 0.003 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
Contaminant Summary
Evidence unavailable
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
1
Water System
1,450
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.003 mg/L
Reported Lead Result1.3× the national median for this measure
Zone 1
County Radon Potential · High
$199K
Median Home ValueState median: $187K

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
Unknown
Indoor environment
0/100
Outdoor environment
Unknown

Coverage: 2 of 4 components and 1 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) HIGH

Your Water System

ZIP code 16657 in James Creek, Pennsylvania is mapped to the water system Walker Twp Muni Authority (EPA ID: PA4310038). This system provides water to approximately 1,450 people from groundwater sources.

Other Water Quality Reports in Pennsylvania

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Walker Twp Muni Authority (PA4310038) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →
Environmental Hazards (10) MODERATE
Home & Infrastructure (8) OK
Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in James Creek

Based on local data for ZIP 16657, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 16657 was built around 1988. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 16657 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 16657 (primary system: Walker Twp Muni Authority), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 16657's water come from?

The recorded water source for Walker Twp Muni Authority, a system mapped to ZIP code 16657, is Groundwater. This system serves approximately 1,450 people.

How can I get my water tested in James Creek?

If Walker Twp Muni Authority supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 16657 tap water?

The Lead and Copper Rule record selected for 16657 reports a 90th-percentile lead result of 0.003 mg/L for a water system mapped to this ZIP (record date 1996-06-30). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 16657?

16657 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Huntingdon County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). James Creek, PA (16657): High Radon Potential Area. https://zipcheckup.com/report/16657/
BibTeX 
@misc{zipcheckup-report-16657,
  author = {{ZipCheckup}},
  title  = {{James Creek, PA (16657): High Radon Potential Area}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/16657/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 16657

ZIP Code City, State Distance Grade Violations
16638 Entriken, PA 1.7 mi N/A 0
16693 Williamsburg, PA 4.7 mi N/A 13
16647 Hesston, PA 5.0 mi N/A 0
16662 Martinsburg, PA 8.3 mi N/A 77
16685 Todd, PA 8.3 mi N/A 0
16622 Calvin, PA 8.6 mi N/A 0
16623 Cassville, PA 9.5 mi N/A 0
16631 Curryville, PA 9.7 mi N/A 3
16678 Saxton, PA 9.7 mi N/A 74
16634 Dudley, PA 10.5 mi N/A 0

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Coverage: 15/17 risk factors Data sources →
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