Harbor Hills Community Water System
EPA ID: WA5333860 · 1,373 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Harbor Hills Community Water System (WA5333860): 1 violation recorded with unresolved status in the SDWIS data used. In EPA records, Harbor Hills Community Water System has 1 violation listed as unresolved, with the utility supplying water to approximately 1,373 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Harbor Hills Community Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Harbor Hills Community Water System have a median household income of $86,488 and about 6,672 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Harbor Hills Community Water System'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.
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
Harbor Hills Community Water System (EPA ID: WA5333860) is a community water system in Washington that serves approximately 1,373 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 resolved, 1 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 |
|---|---|---|---|
| March 1, 2026 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Resolved |
| February 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| January 1, 2023 | Arsenic | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Monitoring & Reporting | 2 | No |
| Arsenic | Monitoring & Reporting | 1 | No |
| Lead and Copper Rule | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | 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 | 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.
Radon Risk in Service Area
2 of 2 ZIP records with known zones are in EPA Radon Zone 3.
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 WA 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 Harbor Hills Community Water System (WA5333860) on EPA.gov.
Frequently Asked Questions
Is Harbor Hills Community Water System 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 Harbor Hills Community Water System serve?
Harbor Hills Community Water System serves approximately 1,373 people across 2 ZIP codes in Washington.
Where does Harbor Hills Community Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Harbor Hills Community Water System (WA): 5 EPA Violations. https://zipcheckup.com/water-system/wa5333860/
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author = {{ZipCheckup}},
title = {{Harbor Hills Community Water System (WA): 5 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wa5333860/}
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What You Can Do
Test your water
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Contact your utility
Harbor Hills Community Water System (EPA ID: WA5333860) - request the latest Consumer Confidence Report or ask about specific contaminants.