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BEACH

PWS ID: 105300109 · SEQUIM, 10 98382

BEACH serves 45 people in SEQUIM, 10 using Groundwater water sources. It has 29 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BEACH

BEACH is a native american-owned community water system that delivers drinking water to 45 residents in SEQUIM, 10 through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 29 total violations for this system , of which 3 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 24 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 3 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 10, EPA tracks 158 public water systems serving 142,574 people, with 31,953 cumulative violations and 1,055 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 202.2 violations. BEACH's 29 violations sit below the 10 average. Statewide, 2 of 10 UCMR5-tested systems have reported PFAS detections (20%). 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
45
Total Violations
29
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
24
School/Daycare
No
MCL Violations
3
Monitoring Violations
24
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 3 2014
Coliform (TCR) MCL 3 2014
ETHYLENE DIBROMIDE MR 2 2020
Consumer Confidence Rule Other 2 2007
Nitrate MR 2 2014
Combined Uranium MR 2 2017
Gross Alpha, Excl. Radon and U MR 2 2017
Combined Radium (-226 and -228) MR 2 2017
2,3,7,8-TCDD MR 1 2008
Glyphosate MR 1 2008
Diquat MR 1 2008
Lead and Copper Rule MR 1 2018
Total Polychlorinated Biphenyls (PCB) MR 1 2020
OXAMYL MR 1 2020
Carbofuran MR 1 2020
Asbestos MR 1 2008
Chlorine MR 1 2016
Endothall MR 1 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 1 2020

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 BEACH.

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 105300109 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

10 Drinking Water Authority

10's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 10 regulator via EPA SDWIS

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
2020 ETHYLENE DIBROMIDE MR 2 SDWIS / 105300109 / 2946
2020 Total Polychlorinated Biphenyls (PCB) MR 1 SDWIS / 105300109 / 2383
2020 OXAMYL MR 1 SDWIS / 105300109 / 2036
2020 Carbofuran MR 1 SDWIS / 105300109 / 2046
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 1 SDWIS / 105300109 / 2931
2018 Lead and Copper Rule MR 1 SDWIS / 105300109 / 5000
2017 Combined Uranium MR 2 SDWIS / 105300109 / 4006
2017 Gross Alpha, Excl. Radon and U MR 2 SDWIS / 105300109 / 4000
2017 Combined Radium (-226 and -228) MR 2 SDWIS / 105300109 / 4010
2016 Chlorine MR 1 SDWIS / 105300109 / 0999
2014 Coliform (TCR) MR 3 SDWIS / 105300109 / 3100
2014 Coliform (TCR) MCL 3 SDWIS / 105300109 / 3100
2014 Nitrate MR 2 SDWIS / 105300109 / 1040
2008 2,3,7,8-TCDD MR 1 SDWIS / 105300109 / 2063
2008 Glyphosate MR 1 SDWIS / 105300109 / 2034

How BEACH Compares

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

Metric BEACH 10 avg Federal benchmark
Total violations 29 202.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 20% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 45 902 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 158 regulated public water systems in 10.

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 BEACH water safe to drink?
BEACH (PWS ID: 105300109) has 29 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does BEACH serve?
BEACH serves 45 people in SEQUIM, 10. It is a Native American-owned system using Groundwater water sources with 24 service connections.
What type of violations does BEACH have?
BEACH has 29 total violations: 3 health-based violations (MCL exceedances or treatment failures), 24 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BEACH water?
No PFAS testing data is available for BEACH under the EPA's UCMR5 monitoring program.
What water source does BEACH use?
BEACH 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.

Explore PlainWater

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

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial