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NORTH SUNSET POINT WATER USERS ASSN

PWS ID: WA5361400 · Friday Harbor, Washington 98250

NORTH SUNSET POINT WATER USERS ASSN serves 25 people in Friday Harbor, Washington using Groundwater water sources. It has 144 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NORTH SUNSET POINT WATER USERS ASSN

NORTH SUNSET POINT WATER USERS ASSN is a private-owned transient non-community water system that delivers drinking water to 25 residents in Friday Harbor, Washington (San Juan County) through 21 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 144 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 138 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 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. NORTH SUNSET POINT WATER USERS ASSN's 144 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
25
Total Violations
144
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
21
County
San Juan
School/Daycare
No
MCL Violations
1
Monitoring Violations
138
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 1997
1,2,4-Trichlorobenzene MR 6 2005
cis-1,2-Dichloroethylene MR 6 2005
DICHLOROMETHANE MR 6 2005
o-Dichlorobenzene MR 6 2005
Vinyl chloride MR 6 2005
1,1-Dichloroethylene MR 6 2005
trans-1,2-Dichloroethylene MR 6 2005
1,2-Dichloroethane MR 6 2005
1,2-Dichloropropane MR 6 2005
1,1,2-Trichloroethane MR 6 2005
CHLOROBENZENE MR 6 2005
Ethylbenzene MR 6 2005
1,1,1-Trichloroethane MR 6 2005
Tetrachloroethylene MR 6 2005
Styrene MR 6 2005
Toluene MR 6 2005
Trichloroethylene MR 6 2005
p-Dichlorobenzene MR 6 2005
Benzene MR 6 2005
Carbon tetrachloride MR 6 2005
Aldicarb MR 2 2008
Aldicarb sulfoxide MR 2 2008
Carbofuran MR 2 2008
Aldicarb sulfone MR 2 2008
OXAMYL MR 2 2008
Consumer Confidence Rule Other 1 1999
Coliform (TCR) MCL 1 2013
Nitrate MR 1 2003

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 NORTH SUNSET POINT WATER USERS ASSN.

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 WA5361400 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 NORTH SUNSET POINT WATER USERS ASSN 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
2013 Coliform (TCR) MCL 1 SDWIS / WA5361400 / 3100
2008 Aldicarb MR 2 SDWIS / WA5361400 / 2047
2008 Aldicarb sulfoxide MR 2 SDWIS / WA5361400 / 2043
2008 Carbofuran MR 2 SDWIS / WA5361400 / 2046
2008 Aldicarb sulfone MR 2 SDWIS / WA5361400 / 2044
2008 OXAMYL MR 2 SDWIS / WA5361400 / 2036
2005 1,2,4-Trichlorobenzene MR 6 SDWIS / WA5361400 / 2378
2005 cis-1,2-Dichloroethylene MR 6 SDWIS / WA5361400 / 2380
2005 DICHLOROMETHANE MR 6 SDWIS / WA5361400 / 2964
2005 o-Dichlorobenzene MR 6 SDWIS / WA5361400 / 2968
2005 Vinyl chloride MR 6 SDWIS / WA5361400 / 2976
2005 1,1-Dichloroethylene MR 6 SDWIS / WA5361400 / 2977
2005 trans-1,2-Dichloroethylene MR 6 SDWIS / WA5361400 / 2979
2005 1,2-Dichloroethane MR 6 SDWIS / WA5361400 / 2980
2005 1,2-Dichloropropane MR 6 SDWIS / WA5361400 / 2983

How NORTH SUNSET POINT WATER USERS ASSN Compares

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

Metric NORTH SUNSET POINT WATER USERS ASSN Washington avg Federal benchmark
Total violations 144 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 25 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 NORTH SUNSET POINT WATER USERS ASSN water safe to drink?
NORTH SUNSET POINT WATER USERS ASSN (PWS ID: WA5361400) has 144 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does NORTH SUNSET POINT WATER USERS ASSN serve?
NORTH SUNSET POINT WATER USERS ASSN serves 25 people in Friday Harbor, Washington. It is a Private-owned system using Groundwater water sources with 21 service connections.
What type of violations does NORTH SUNSET POINT WATER USERS ASSN have?
NORTH SUNSET POINT WATER USERS ASSN has 144 total violations: 1 health-based violations (MCL exceedances or treatment failures), 138 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NORTH SUNSET POINT WATER USERS ASSN water?
No PFAS testing data is available for NORTH SUNSET POINT WATER USERS ASSN under the EPA's UCMR5 monitoring program.
What water source does NORTH SUNSET POINT WATER USERS ASSN use?
NORTH SUNSET POINT WATER USERS ASSN uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Related

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