Penn Cove Water and Sewer District
EPA ID: WA5366950 · 460 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Penn Cove Water and Sewer District (WA5366950): 15 health-based violations recorded since 2021. Penn Cove Water and Sewer District's EPA record lists 17 historical violations, and none is listed as open in that record; the utility supplies water to 460 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Penn Cove Water and Sewer District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Penn Cove Water and Sewer District have a median household income of $79,326 and about 40,338 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 49% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Penn Cove Water and Sewer District'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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Washington
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
Penn Cove Water and Sewer District (EPA ID: WA5366950) is a community water system in Washington that serves approximately 460 people from groundwater sources.
This system serves ZIP code 98277 in Oak Harbor.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 resolved, 14 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 |
|---|---|---|---|
| January 1, 2026 | TTHM | Health-based | Archived |
| October 1, 2025 | TTHM | Health-based | Archived |
| July 1, 2025 | TTHM | Health-based | Archived |
| April 1, 2025 | TTHM | Health-based | Archived |
| January 1, 2025 | TTHM | Health-based | Archived |
| October 1, 2024 | TTHM | Health-based | Archived |
| July 1, 2024 | TTHM | Health-based | Archived |
| April 1, 2024 | TTHM | Health-based | Archived |
| January 1, 2024 | TTHM | Health-based | Archived |
| October 1, 2023 | TTHM | Health-based | Archived |
| July 1, 2023 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 1, 2023 | TTHM | Non-health-based | Resolved |
| July 1, 2023 | TTHM | Health-based | Archived |
| April 1, 2023 | TTHM | Health-based | Archived |
| January 1, 2023 | TTHM | Health-based | Archived |
| October 1, 2022 | TTHM | Health-based | Archived |
| July 1, 2021 | TTHM | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| TTHM | MCL Violation, Monitoring & Reporting | 16 | Yes |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0017 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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 WA or modeled from parcel and building-footprint data.
- 98277 - Oak Harbor
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Penn Cove Water and Sewer District (WA5366950) on EPA.gov.
Frequently Asked Questions
Is Penn Cove Water and Sewer District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Penn Cove Water and Sewer District; its 17 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Penn Cove Water and Sewer District serve?
Penn Cove Water and Sewer District serves approximately 460 people across 1 ZIP code in Washington.
Where does Penn Cove Water and Sewer District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Penn Cove Water and Sewer District: 15 Health Violations. https://zipcheckup.com/water-system/wa5366950/
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author = {{ZipCheckup}},
title = {{Penn Cove Water and Sewer District: 15 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wa5366950/}
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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
Penn Cove Water and Sewer District (EPA ID: WA5366950) - request the latest Consumer Confidence Report or ask about specific contaminants.