Corsica, PA Water Safety: 63/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Public water data for Corsica, PA reveals a split picture — tap water quality varies meaningfully by service area and the city's grade reflects that variability.
How Corsica Compares
Data: EPA SDWIS Last verified: 2026-06-03
Corsica Water: The Quick Version
- Homes built before 1986: 74% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
Water Systems Serving Corsica
2 independent water providers serve Corsica, PA — 2 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Corsica, Pennsylvania (population ~1,313), covering 2 community water systems serving approximately 17,300 people region-wide.
No EPA violations recorded across any ZIP codes in Corsica — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Corsica: C (63/100)
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
Corsica water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Corsica
- 0 ZIP codes 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 15829 | C | Pa American Water Company Clarion | 16,600 |
All ZIP Codes in Corsica
- 15829 [C]
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.
How Old Is Corsica's Housing Stock?
With 74% 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
Because the majority of Corsica's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1976 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Corsica 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.
Corsica: Remediation Cost in Perspective
How does remediation fit within the broader financial picture for Corsica homeowners? The equity share is moderate — large enough that treating it as a real planning consideration makes sense, and manageable enough that most homeowners have a clear path to addressing documented water and safety issues when they approach the commitment with deliberate advance budgeting rather than as an unplanned expense.
Remediation costs are moderate relative to home values in Corsica. The estimated $800–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 41% below the Pennsylvania average.
Protecting Children from Lead in Corsica
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.
Older stock in Corsica represents 74% of the inventory, and citywide monitoring runs at or above the federal action level — making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Corsica
Within the NFIP's national dataset, Corsica falls in moderate-exposure territory — 1 documented incident spanning multiple decades, with 100% of local ZIP codes sitting inside FEMA flood boundaries. That combination warrants inclusion in any thorough local water quality review.
Corsica has a moderate flood history with 1 FEMA claims averaging $17,300 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>$1,600</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 Corsica
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 74% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Corsica, PA