Cornplanter Township
EPA ID: PA6610035 · 1,835 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Cornplanter Township (PA6610035): a lead 90th-percentile reading above the EPA action level. Per the federal file, all 1 violation logged for Cornplanter Township carry a resolved status, and around 1,835 people get water from this system.
Data: EPA SDWIS
Service Area Map
Coverage area for Cornplanter Township Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Cornplanter Township have a median household income of $57,368 and about 18,804 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 80% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 50% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Cornplanter Township's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Pennsylvania
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Cornplanter Township (EPA ID: PA6610035) is a community water system in Pennsylvania that serves approximately 1,835 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.0295 mg/L (1993-12-31).
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
2 of 3 ZIP records with known zones are in EPA Radon Zone 1. 1 of 3 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by PA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Cornplanter Township (PA6610035) on EPA.gov.
Frequently Asked Questions
Is Cornplanter Township water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Cornplanter Township; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Cornplanter Township serve?
Cornplanter Township serves approximately 1,835 people across 3 ZIP codes in Pennsylvania.
Where does Cornplanter Township get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Cornplanter Township (PA): 1 EPA Violation. https://zipcheckup.com/water-system/pa6610035/
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author = {{ZipCheckup}},
title = {{Cornplanter Township (PA): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/pa6610035/}
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What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Cornplanter Township (EPA ID: PA6610035) - request the latest Consumer Confidence Report or ask about specific contaminants.