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BEACHWOOD WATER COMPANY

PWS ID: WA5304980 · Coupeville, Washington 98239

BEACHWOOD WATER COMPANY serves 90 people in Coupeville, Washington using Groundwater water sources. It has 168 recorded EPA violations, including 19 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BEACHWOOD WATER COMPANY

BEACHWOOD WATER COMPANY is a private-owned community water system that delivers drinking water to 90 residents in Coupeville, Washington (Island County) through 60 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 168 total violations for this system , of which 19 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 140 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 30 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. BEACHWOOD WATER COMPANY's 168 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
90
Total Violations
168
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
60
County
Island
School/Daycare
No
MCL Violations
19
Monitoring Violations
140
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 30 2015
Lead and Copper Rule MR 22 2019
Arsenic MR 15 2016
Arsenic MCL 15 2025
ETHYLENE DIBROMIDE MR 8 2007
1,2-DIBROMO-3-CHLOROPROPANE MR 8 2007
Diquat MR 6 2007
Coliform (TCR) MCL 4 1993
Pentachlorophenol MR 2 2004
TTHM MR 2 2022
Consumer Confidence Rule Other 2 1999
Total Haloacetic Acids (HAA5) MR 2 2022
Aldicarb sulfone MR 1 2004
Carbofuran MR 1 2004
Endrin MR 1 2004
BHC-GAMMA MR 1 2004
Di(2-ethylhexyl) adipate MR 1 2004
Hexachlorocyclopentadiene MR 1 2004
Atrazine MR 1 2004
LASSO MR 1 2004
Heptachlor MR 1 2004
Heptachlor epoxide MR 1 2004
HEXACHLOROBENZENE MR 1 2004
Chlordane MR 1 2004
Picloram MR 1 2004
2,4,5-TP MR 1 2004
cis-1,2-Dichloroethylene MR 1 2002
DICHLOROMETHANE MR 1 2002
o-Dichlorobenzene MR 1 2002
p-Dichlorobenzene MR 1 2002

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for BEACHWOOD WATER COMPANY.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WA5304980 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health — Office of Drinking Water is the primacy agency that licenses and inspects BEACHWOOD WATER COMPANY under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health — Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Arsenic MCL 15 SDWIS / WA5304980 / 1005
2022 TTHM MR 2 SDWIS / WA5304980 / 2950
2022 Total Haloacetic Acids (HAA5) MR 2 SDWIS / WA5304980 / 2456
2019 Lead and Copper Rule MR 22 SDWIS / WA5304980 / 5000
2016 Arsenic MR 15 SDWIS / WA5304980 / 1005
2015 Coliform (TCR) MR 30 SDWIS / WA5304980 / 3100
2011 Nitrate MR 1 SDWIS / WA5304980 / 1040
2007 ETHYLENE DIBROMIDE MR 8 SDWIS / WA5304980 / 2946
2007 1,2-DIBROMO-3-CHLOROPROPANE MR 8 SDWIS / WA5304980 / 2931
2007 Diquat MR 6 SDWIS / WA5304980 / 2032
2004 Pentachlorophenol MR 2 SDWIS / WA5304980 / 2326
2004 Aldicarb sulfone MR 1 SDWIS / WA5304980 / 2044
2004 Carbofuran MR 1 SDWIS / WA5304980 / 2046
2004 Endrin MR 1 SDWIS / WA5304980 / 2005
2004 BHC-GAMMA MR 1 SDWIS / WA5304980 / 2010

How BEACHWOOD WATER COMPANY Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric BEACHWOOD WATER COMPANY Washington avg Federal benchmark
Total violations 168 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 19 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 90 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is BEACHWOOD WATER COMPANY water safe to drink? ▼
BEACHWOOD WATER COMPANY (PWS ID: WA5304980) has 168 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 90 people using Groundwater sources.
How many people does BEACHWOOD WATER COMPANY serve? ▼
BEACHWOOD WATER COMPANY serves 90 people in Coupeville, Washington. It is a Private-owned system using Groundwater water sources with 60 service connections.
What type of violations does BEACHWOOD WATER COMPANY have? ▼
BEACHWOOD WATER COMPANY has 168 total violations: 19 health-based violations (MCL exceedances or treatment failures), 140 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BEACHWOOD WATER COMPANY water? ▼
No PFAS testing data is available for BEACHWOOD WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does BEACHWOOD WATER COMPANY use? ▼
BEACHWOOD WATER COMPANY uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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