Ligonier, PA: 17 Violations — 33/100 (2026)
1 ZIP code · 5 water systems · Updated 2026-06-03
Although conditions vary by service area, Ligonier's water systems collectively show below-average compliance within PA — health-based violations are documented throughout the city, and the overall grade reflects a pattern rather than isolated incidents.
How Ligonier Compares
Data: EPA SDWIS Last verified: 2026-06-03
Ligonier Water: The Quick Version
- Your city's water systems recorded 17 violations in the past 5 years.
- Homes built before 1986: 77% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
Water Systems Serving Ligonier
Water supply in Ligonier, PA follows a divided structure: 3 utilities account for the largest share of residential service out of 5 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 water quality and home safety data for 1 ZIP code in Ligonier, Pennsylvania (population ~8,114), covering 5 community water systems serving approximately 29,782 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Ligonier: F (33/100)
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
Ligonier water systems draw from: Groundwater, Surface water.
Lead & Copper
- Lead data: not yet available for Ligonier
- 0 ZIP codes 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 |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 8 | 1 |
| Total Organic Carbon | Disinfection Byproducts | 6 | 1 |
| Lead and Copper Rule | Treatment Technique | 6 | 1 |
| Uranium | Radionuclides | 4 | 1 |
| E. coli | Microbiological | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 15658 | F | 17 | 0 | Ligonier Twp Muni Authority |
All ZIP Codes in Ligonier
- 15658 [F] — 17 violations
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.
Key Contaminants Detected in Ligonier
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Ligonier's Housing Stock?
With 77% 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
Decades of residential development in Ligonier took place before the two main regulatory milestones that reduced plumbing-era lead risk: the phase-out of lead pipes before 1970, and the federal ban on lead solder in 1986. With a median build year of 1966, the housing stock here is anchored in that earlier period. The distinction between pre-1970 and 1970-to-1986 construction matters: the oldest homes may have lead pipes in the service line and lead solder in the copper joints, while the 1970-to-1986 tier still carries the solder risk even after lead pipes became less common. Together, these two risk layers affect a majority of the residential properties in the city — a fact the aggregate water quality data doesn't directly reveal.
Over half of homes in Ligonier 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.
Ligonier: Remediation Cost in Perspective
Homeowners in Ligonier are working with a moderate equity share for documented remediation — the commitment deserves a line in the household budget, not dismissal.
Remediation costs are moderate relative to home values in Ligonier. The estimated $1,600–$3,300 range is manageable for most homeowners but still worth budgeting for. Home values are 10% above the Pennsylvania average.
Protecting Children from Lead in Ligonier
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.
Households with kids in the home — for whom CDC guidance places particular weight on minimizing exposure — face a specific local picture in Ligonier. 77% of homes here come from the pre-rule era, and aggregate utility samples either approach or cross 0.015 mg/L. A baseline draw-test kit and certified lead-removal filtration are available via retailer networks for households confirming conditions at a specific tap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Ligonier
A moderate NFIP record for Ligonier — 283 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Ligonier has a moderate flood history with 283 FEMA claims averaging $8,801 per payout. 100% 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>$2,400</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 Ligonier
- 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.
- Install a certified water filter. Filters rated for Haloacetic Acids (HAA5) can reduce the most common contaminant found in Ligonier's water.
- Check your home's plumbing. With 77% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Ligonier, PA