CITY REPORT PA 2 HEALTH VIOLATIONS

Irwin, PA: 2 Health Violations - Home Safety 62/100

1 ZIP code · 3 water systems · Updated

ZipCheckup grade for Irwin: C.

A mixed picture - some signals here are worth your attention.

If you're checking Irwin, PA tap water safety, the short answer is: average - violations are present in parts of the city and specifics depend on which water system serves your address.

How Irwin Compares

Irwin62/100
Pennsylvania avg57/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
1
ZIPs with Violations
C · 62
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$236K
Median Home Value
$1,600
Est. Remediation (0.7% of home value)

Key Facts for Irwin Residents

  • Your city's water systems recorded 17 violations in the past 5 years.
  • Average lead level: 0.0035 mg/L.
  • Homes built before 1986: 72% - older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.

Irwin's Water Providers

Water supply in Irwin, PA follows a divided structure: 3 utilities account for the largest share of residential service out of 3 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.

Overview

We track home safety data for 1 ZIP code in Irwin, Pennsylvania (population ~46,727), covering 3 community water systems serving approximately 308,644 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. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Irwin: C (62/100)

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

Irwin water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0035 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 2 (Moderate Risk)

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

Top Contaminants

Contaminant Category Violations ZIPs Affected
E. coli Microbiological 12 1
Chlorite Disinfection Byproducts 6 1
Surface Water Treatment Rule Treatment Technique 6 1
Contaminant 1036 Other 2 1
Total Trihalomethanes (TTHM) Disinfection Byproducts 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
15642 C 17 2 Mawc Yough Plant

All ZIP Codes in Irwin

  • 15642 [C] - 17 violations ⚠

Data Sources

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

What's in Irwin's Water?

E. coli 12 violations
Microbiological
Gastrointestinal illness, potentially fatal
Chlorite 6 violations
Disinfection Byproducts · EPA limit: 1 mg/L
Anemia in infants and young children
Surface Water Treatment Rule 6 violations
Treatment Technique
Pathogens may not be adequately removed

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

Irwin Infrastructure Age

1962
Median Build Year
72%
Built Before 1986
36%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 72% 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

The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing - from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Irwin, where the median build year is 1962, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.

1962
Median Year Built
72%
Pre-1986 (Lead Paint Risk)
36%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (36%) 1970–1986 (36%) Post-1986 (28%)

Over half of homes in Irwin were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Irwin

How much of a Irwin home's value does documented remediation represent? A small fraction - the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.

Median Home Value
$236,000
Est. Remediation
$1,600
Remediation as % of home value 0.7%

Remediation costs in Irwin are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 11% above the Pennsylvania average.

Irwin: Lead Risk & Vulnerable Populations

72%
Homes Built Before 1986
0.0035
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.

Locally, 72% of Irwin homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.

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

Irwin: NFIP Claim Records and Water-Quality Context

63
Total FEMA Flood Claims
$10,016
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Irwin contains 63 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $10,016. 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>$1,600</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 Irwin

  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 E. coli can reduce the most common contaminant found in Irwin's water.
  3. Check your home's plumbing. With 72% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Irwin, PA?
Irwin has an average Home Safety Score of 62/100 (Grade C) 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. 17 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Irwin have?
Irwin water systems have a total of 17 EPA violations, including 2 health-based violations. Violations are tracked across 1 ZIP code.
Does Irwin water have lead?
The average 90th-percentile lead level in Irwin is 0.0035 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 Irwin compare to Pennsylvania average?
Irwin has an average Home Safety Score of 62/100, which is above the Pennsylvania state average of 57/100 for the same model series.
How many water systems serve Irwin?
Irwin is served by 3 public water systems across 1 ZIP code, serving approximately 46,727 people.
How much does it cost to fix water issues in Irwin?
Estimated remediation costs in Irwin average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesPennsylvania → Irwin, PA

How to cite this page

APA ZipCheckup. (2026). Irwin, PA: 2 Health Violations - Home Safety 62/100. https://zipcheckup.com/cities/pa/irwin/
BibTeX
@misc{zipcheckup-cities-pa-irwin,
  author = {{ZipCheckup}},
  title  = {{Irwin, PA: 2 Health Violations - Home Safety 62/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/pa/irwin/}
}

Page version: August 2026.

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