York Water Company
EPA ID: PA7670100 · 206,762 people served · 36 ZIP codes
ZipCheckup's reading of EPA SDWIS for York Water Company (PA7670100): 1 unresolved EPA violation on record. Where compliant utilities carry no open actions, York Water Company shows 1 active EPA violation in the federal database for a service population of approximately 206,762.
Data: EPA SDWIS
Service Area Map
Coverage area for York Water Company Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The York Water Company serves a community with a median household income of $85,726 and an estimated 483,461 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
York Water Company's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 68th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Detected Contaminants
How York Water Company compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Chlorite at 2 mg/L exceeds the EPA maximum of 1 mg/L. Anemia and nervous system effects in infants and children. Consider ferrous sulfate reduction filtration.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 64 detections recorded. 18 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Chlorite was detected in this water system. ferrous sulfate reduction filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
York Water Company (EPA ID: PA7670100) is a community water system in Pennsylvania that serves approximately 206,762 people from surface water sources.
This system provides water to 36 ZIP codes across 30 communities.
ZIP-Area Home Safety Context: C (59/100)
This is the average Home Safety Score for 3 of 36 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 1 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 11, 2025 | Consumer Confidence Report Rule | Non-health-based | Unaddressed (current) |
| July 1, 2024 | Chlorite | Non-health-based | Resolved |
| October 1, 2022 | Chlorite | Non-health-based | Resolved |
| July 1, 2022 | Consumer Confidence Report Rule | Health-based | Resolved |
| July 1, 2022 | Consumer Confidence Report 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 Report Rule | Reporting Failure | 3 | Yes |
| Chlorite | Disinfection Byproducts | 2 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.003 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
This system serves 36 ZIP codes:
17301 · 17313 · 17315 · 17316 · 17318 17319 · 17322 · 17325 · 17327 · 17329 17331 · 17340 · 17342 · 17345 · 17347 17349 · 17350 · 17355 · 17356 · 17360 17361 · 17362 · 17363 · 17364 · 17366 17368 · 17370 · 17371 · 17372 · 17401 17402 · 17403 · 17404 · 17406 · 17407 17408
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for York Water Company (PA7670100) on EPA.gov.
Frequently Asked Questions
Is York Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does York Water Company serve?
York Water Company serves approximately 206,762 people across 36 ZIP codes in Pennsylvania.
Where does York Water Company get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). York Water Company (PA): 1 Health Violation. https://zipcheckup.com/water-system/pa7670100/
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title = {{York Water Company (PA): 1 Health Violation}},
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url = {https://zipcheckup.com/water-system/pa7670100/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
York Water Company (EPA ID: PA7670100) - request the latest Consumer Confidence Report or ask about specific contaminants.