PlainWater

LISECC

PWS ID: WA5343290 · Lummi Island, Washington 98262

LISECC serves 357 people in Lummi Island, Washington using Surface Water water sources. It has 40 recorded EPA violations, including 37 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LISECC

LISECC is a private-owned community water system that delivers drinking water to 357 residents in Lummi Island, Washington (Whatcom County) through 222 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 40 total violations for this system , of which 37 (93%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 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 Interim Enhanced Surface Water Treatment Rule, recorded in 24 violations (TT, health-based). 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. LISECC's 40 violations sit below 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
357
Total Violations
40
Health-Based Violations
37
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
222
County
Whatcom
School/Daycare
No
MCL Violations
0
Monitoring Violations
3
Treatment Tech Violations
37

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 24 2021
Surface Water Treatment Rule TT 13 2021
Surface Water Treatment Rule MR 1 2025
Lead and Copper Rule MR 1 2000
Coliform (TCR) MR 1 1994

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 LISECC.

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 WA5343290 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 LISECC 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 Surface Water Treatment Rule MR 1 SDWIS / WA5343290 / 0200
2021 Interim Enhanced Surface Water Treatment Rule TT 24 SDWIS / WA5343290 / 0300
2021 Surface Water Treatment Rule TT 13 SDWIS / WA5343290 / 0200
2000 Lead and Copper Rule MR 1 SDWIS / WA5343290 / 5000
1994 Coliform (TCR) MR 1 SDWIS / WA5343290 / 3100

How LISECC Compares

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

Metric LISECC Washington avg Federal benchmark
Total violations 40 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 37 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 357 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 LISECC water safe to drink?
LISECC (PWS ID: WA5343290) has 40 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 357 people using Surface Water sources.
How many people does LISECC serve?
LISECC serves 357 people in Lummi Island, Washington. It is a Private-owned system using Surface Water water sources with 222 service connections.
What type of violations does LISECC have?
LISECC has 40 total violations: 37 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 37 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LISECC water?
No PFAS testing data is available for LISECC under the EPA's UCMR5 monitoring program.
What water source does LISECC use?
LISECC 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 PlainWater Editorial