Rolling Hills-glencairn
EPA ID: WA5374000 · 872 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Rolling Hills-glencairn (WA5374000): 8 past health-based violations, since resolved. 19 total violations across five years at Rolling Hills-glencairn - every finding closed, utility compliant today, 872 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Rolling Hills-glencairn Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Rolling Hills-glencairn serves a community with a median household income of $86,138 and an estimated 7,492 residents across its service area. Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Rolling Hills-glencairn's water is pumped from underground aquifers. 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
Detected Contaminants
How Rolling Hills-glencairn compares to EPA limits
What This Means For You
Lead at 4 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Haloacetic Acids (HAA5) at 10 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 2 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 7 detections recorded. 1 exceeds federal EPA limits (4 ppt for PFOA/PFOS).
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →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
Rolling Hills-glencairn (EPA ID: WA5374000) is a community water system in Washington that serves approximately 872 people from groundwater sources.
This system serves ZIP code 98239 in Coupeville.
Violation History
Status breakdown for accepted records with record years 2021-2026: 11 resolved, 8 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 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
| January 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| September 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| April 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| April 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| March 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2023 | Haloacetic Acids (HAA5) | Health-based | Archived |
| January 1, 2023 | Lead | Non-health-based | Resolved |
| January 1, 2022 | Lead | Non-health-based | Resolved |
| January 1, 2022 | Lead | Non-health-based | Resolved |
| January 1, 2022 | Lead | Non-health-based | Resolved |
| January 1, 2021 | Stage 1 DBP 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 |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 10 | Yes |
| Lead | Inorganic | 4 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: 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 |
|---|---|---|
| 0.0021 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.
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 WA or modeled from parcel and building-footprint data.
- 98239 - Coupeville
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Rolling Hills-glencairn (WA5374000) on EPA.gov.
Frequently Asked Questions
Is Rolling Hills-glencairn water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Rolling Hills-glencairn; its 19 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Rolling Hills-glencairn serve?
Rolling Hills-glencairn serves approximately 872 people across 1 ZIP code in Washington.
Where does Rolling Hills-glencairn get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rolling Hills-glencairn (WA): 8 Health Violations. https://zipcheckup.com/water-system/wa5374000/
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url = {https://zipcheckup.com/water-system/wa5374000/}
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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
Rolling Hills-glencairn (EPA ID: WA5374000) - request the latest Consumer Confidence Report or ask about specific contaminants.