CITY REPORT PA 1 HEALTH VIOLATIONS

Stewartstown, PA: PFAS Found in Water - Home Safety 34/100

1 ZIP code · 3 water systems · Updated

ZipCheckup grade for Stewartstown: F.

Federal data flags serious home-safety risks for this ZIP.

Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →

Water monitoring data from Stewartstown, PA tells a below-average story - health violations are present and system-level detail is worth reviewing before drawing conclusions.

How Stewartstown Compares

Stewartstown34/100
Pennsylvania avg57/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
1
ZIPs with Violations
F · 34
Avg Safety Score
Zone 1
Radon Risk (High)
$308K
Median Home Value
$3,000
Est. Remediation (1.0% of home value)

Stewartstown Water: The Quick Version

  • Your city's water systems recorded 46 violations in the past 5 years.
  • Average lead level: 0.003 mg/L.
  • Homes built before 1986: 42% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.

Water Systems Serving Stewartstown

Water service in Stewartstown, PA is split across 3 utilities out of 3 tracked federally, each operating its own infrastructure and compliance record.

Overview

We track home safety data for 1 ZIP code in Stewartstown, Pennsylvania (population ~8,460), covering 3 community water systems serving approximately 216,695 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Stewartstown: F (34/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Stewartstown water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0030 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Copper Inorganic 16 1
Contaminant 0700 Other 12 1
Lead Inorganic 8 1
Consumer Confidence Report Rule Reporting 8 1
Chlorite Disinfection Byproducts 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
17363 F 46 1 Stewartstown Boro Water Authority

All ZIP Codes in Stewartstown

  • 17363 [F] - 46 violations ⚠

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Key Contaminants Detected in Stewartstown

Copper 16 violations
Inorganic · EPA limit: 1.3 mg/L
Gastrointestinal distress, liver/kidney damage
Contaminant 0700 12 violations
Other
Lead 8 violations
Inorganic · EPA limit: 0.015 mg/L

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

How Old Is Stewartstown's Housing Stock?

1998
Median Build Year
42%
Built Before 1986
19%
Built Before 1970
Copper
Likely Pipe Material

With 42% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Development in Stewartstown unfolded across multiple decades, and the median build year of 1998 reflects a housing inventory where eras of construction are genuinely mixed - including portions that predate the federal prohibition on lead solder in plumbing.

1998
Median Year Built
42%
Pre-1986 (Lead Paint Risk)
19%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (19%) 1970–1986 (23%) Post-1986 (58%)

Most homes in Stewartstown were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Stewartstown: Remediation Cost in Perspective

Within the Stewartstown market, estimated remediation claims a small portion of typical property equity - the financial burden is proportionally low.

Median Home Value
$307,500
Est. Remediation
$3,000
Remediation as % of home value 1.0%

Remediation costs in Stewartstown are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 44% above the Pennsylvania average.

Protecting Children from Lead in Stewartstown

42%
Homes Built Before 1986
0.003
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.

Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 42% of Stewartstown stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical Flood-Claim Evidence for Stewartstown

5
Total FEMA Flood Claims
$9,013
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Stewartstown contains 5 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $9,013. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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. The <strong>$3,000</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Stewartstown

  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 Copper can reduce the most common contaminant found in Stewartstown's water.
  3. Check your home's plumbing. With 42% of homes built before 1986, lead solder is a real possibility.
  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

What does the Home Safety Score mean for Stewartstown, PA?
Stewartstown has an average Home Safety Score of 34/100 (Grade F) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 46 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Stewartstown have?
Stewartstown water systems have a total of 46 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
Does Stewartstown water have lead?
The average 90th-percentile lead level in Stewartstown is 0.003 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 Stewartstown compare to Pennsylvania average?
Stewartstown has an average Home Safety Score of 34/100, which is below the Pennsylvania state average of 57/100 for the same model series.
How many water systems serve Stewartstown?
Stewartstown is served by 3 public water systems across 1 ZIP code, serving approximately 8,460 people.
How much does it cost to fix water issues in Stewartstown?
Estimated remediation costs in Stewartstown average $3,000 per household, ranging from $2,000 to $4,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesPennsylvania → Stewartstown, PA

How to cite this page

APA ZipCheckup. (2026). Stewartstown, PA: PFAS Found in Water - Home Safety 34/100. https://zipcheckup.com/cities/pa/stewartstown/
BibTeX
@misc{zipcheckup-cities-pa-stewartstown,
  author = {{ZipCheckup}},
  title  = {{Stewartstown, PA: PFAS Found in Water - Home Safety 34/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/pa/stewartstown/}
}

Page version: August 2026.

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