PlainWater

HAT ISLAND COMMUNITY INC

PWS ID: WA5331593 · Everett, Washington 98201

HAT ISLAND COMMUNITY INC serves 348 people in Everett, Washington using Surface Water water sources. It has 327 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HAT ISLAND COMMUNITY INC

HAT ISLAND COMMUNITY INC is a private-owned community water system that delivers drinking water to 348 residents in Everett, Washington (Snohomish County) through 293 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 327 total violations for this system , of which 5 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 316 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 Arsenic, recorded in 20 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. HAT ISLAND COMMUNITY INC's 327 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
348
Total Violations
327
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
293
County
Snohomish
School/Daycare
No
MCL Violations
5
Monitoring Violations
316
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 20 2008
p-Dichlorobenzene MR 12 2005
Carbon tetrachloride MR 12 2005
1,2-Dichloropropane MR 12 2005
1,1,2-Trichloroethane MR 12 2005
Benzene MR 12 2005
Toluene MR 12 2005
Styrene MR 12 2005
trans-1,2-Dichloroethylene MR 12 2005
1,2-Dichloroethane MR 12 2005
1,1,1-Trichloroethane MR 12 2005
Trichloroethylene MR 12 2005
Ethylbenzene MR 12 2005
Nitrate MR 12 2007
1,2,4-Trichlorobenzene MR 12 2005
Tetrachloroethylene MR 12 2005
cis-1,2-Dichloroethylene MR 12 2005
Vinyl chloride MR 12 2005
1,1-Dichloroethylene MR 12 2005
o-Dichlorobenzene MR 12 2005
DICHLOROMETHANE MR 12 2005
CHLOROBENZENE MR 12 2005
Coliform (TCR) MR 9 2006
Coliform (TCR) MCL 5 2006
Consumer Confidence Rule Other 4 2025
Cadmium MR 3 2005
Chromium MR 3 2005
CYANIDE MR 3 2005
Fluoride MR 3 2005
Nickel MR 3 2005

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 HAT ISLAND COMMUNITY INC.

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 WA5331593 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 HAT ISLAND COMMUNITY INC 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 Consumer Confidence Rule Other 4 SDWIS / WA5331593 / 7000
2014 Lead and Copper Rule MR 1 SDWIS / WA5331593 / 5000
2008 Arsenic MR 20 SDWIS / WA5331593 / 1005
2007 Nitrate MR 12 SDWIS / WA5331593 / 1040
2006 Coliform (TCR) MR 9 SDWIS / WA5331593 / 3100
2006 Coliform (TCR) MCL 5 SDWIS / WA5331593 / 3100
2005 p-Dichlorobenzene MR 12 SDWIS / WA5331593 / 2969
2005 Carbon tetrachloride MR 12 SDWIS / WA5331593 / 2982
2005 1,2-Dichloropropane MR 12 SDWIS / WA5331593 / 2983
2005 1,1,2-Trichloroethane MR 12 SDWIS / WA5331593 / 2985
2005 Benzene MR 12 SDWIS / WA5331593 / 2990
2005 Toluene MR 12 SDWIS / WA5331593 / 2991
2005 Styrene MR 12 SDWIS / WA5331593 / 2996
2005 trans-1,2-Dichloroethylene MR 12 SDWIS / WA5331593 / 2979
2005 1,2-Dichloroethane MR 12 SDWIS / WA5331593 / 2980

How HAT ISLAND COMMUNITY INC Compares

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

Metric HAT ISLAND COMMUNITY INC Washington avg Federal benchmark
Total violations 327 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 348 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 HAT ISLAND COMMUNITY INC water safe to drink?
HAT ISLAND COMMUNITY INC (PWS ID: WA5331593) has 327 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 348 people using Surface Water sources.
How many people does HAT ISLAND COMMUNITY INC serve?
HAT ISLAND COMMUNITY INC serves 348 people in Everett, Washington. It is a Private-owned system using Surface Water water sources with 293 service connections.
What type of violations does HAT ISLAND COMMUNITY INC have?
HAT ISLAND COMMUNITY INC has 327 total violations: 5 health-based violations (MCL exceedances or treatment failures), 316 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HAT ISLAND COMMUNITY INC water?
No PFAS testing data is available for HAT ISLAND COMMUNITY INC under the EPA's UCMR5 monitoring program.
What water source does HAT ISLAND COMMUNITY INC use?
HAT ISLAND COMMUNITY INC uses Surface Water 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 Kiznis Studio Editorial