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Community Water System · PWS WA5343550

Lagoon Point Water District

Greenbank, Washington 98253 - drinking water served from groundwater sources to 495 people, tracked in EPA SDWIS and UCMR5.

495
People served
92
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 92 drinking-water violations at Lagoon Point Water District, 1% of them health-based - above the Washington per-system average.

92
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
495
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lagoon Point Water District

Lagoon Point Water District is a local-owned community water system that delivers drinking water to 495 residents in Greenbank, Washington (Island County) through 408 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 92 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 86 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 Nitrate, recorded in 21 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. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Lagoon Point Water District's 92 violations sit above the Washington average.

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
495
Total Violations
92
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
408
County
Island
School/Daycare
No
MCL Violations
1
Monitoring Violations
86
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 21 2022
Coliform (TCR) MR 10 1994
Pentachlorophenol MR 4 2008
Dinoseb MR 2 2008
2,4,5-TP MR 2 2008
Picloram MR 2 2008
Methoxychlor MR 2 2008
Toxaphene MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
Atrazine MR 2 2008
Heptachlor epoxide MR 2 2008
HEXACHLOROBENZENE MR 2 2008
Chlordane MR 2 2008
BHC-GAMMA MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Hexachlorocyclopentadiene MR 2 2008
Heptachlor MR 2 2008
Benzo(a)pyrene MR 2 2008
Consumer Confidence Rule Other 2 2025
Endrin MR 2 2008
Dalapon MR 2 2008
LASSO MR 2 2008
Simazine MR 2 2008
CYANIDE MR 1 2002
Mercury MR 1 2002
Nickel MR 1 2002
Thallium, Total MR 1 2002
Lead and Copper Rule MR 1 1999
Gross Alpha, Excl. Radon and U MR 1 1979
Fluoride 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 Lagoon Point Water District.

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 WA5343550 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 Lagoon Point Water District 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 2 SDWIS / WA5343550 / 7000
2022 Nitrate MR 21 SDWIS / WA5343550 / 1040
2008 Pentachlorophenol MR 4 SDWIS / WA5343550 / 2326
2008 Dinoseb MR 2 SDWIS / WA5343550 / 2041
2008 2,4,5-TP MR 2 SDWIS / WA5343550 / 2110
2008 Picloram MR 2 SDWIS / WA5343550 / 2040
2008 Methoxychlor MR 2 SDWIS / WA5343550 / 2015
2008 Toxaphene MR 2 SDWIS / WA5343550 / 2020
2008 Di(2-ethylhexyl) adipate MR 2 SDWIS / WA5343550 / 2035
2008 Atrazine MR 2 SDWIS / WA5343550 / 2050
2008 Heptachlor epoxide MR 2 SDWIS / WA5343550 / 2067
2008 HEXACHLOROBENZENE MR 2 SDWIS / WA5343550 / 2274
2008 Chlordane MR 2 SDWIS / WA5343550 / 2959
2008 BHC-GAMMA MR 2 SDWIS / WA5343550 / 2010
2008 Di(2-ethylhexyl) phthalate MR 2 SDWIS / WA5343550 / 2039

How Lagoon Point Water District Compares

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

Metric Lagoon Point Water District Washington avg Federal benchmark
Total violations 92 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 495 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Lagoon Point Water District water safe to drink? ▼
Lagoon Point Water District (PWS ID: WA5343550) has 92 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 495 people using Groundwater sources.
How many people does Lagoon Point Water District serve? ▼
Lagoon Point Water District serves 495 people in Greenbank, Washington. It is a Local-owned system using Groundwater water sources with 408 service connections.
What type of violations does Lagoon Point Water District have? ▼
Lagoon Point Water District has 92 total violations: 1 health-based violations (MCL exceedances or treatment failures), 86 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lagoon Point Water District water? ▼
No PFAS testing data is available for Lagoon Point Water District under the EPA's UCMR5 monitoring program.
What water source does Lagoon Point Water District use? ▼
Lagoon Point Water District 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.