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ISLE AIRE BEACH ASSOCIATION

PWS ID: WA5336268 · Maple Falls, Washington 98266

ISLE AIRE BEACH ASSOCIATION serves 125 people in Maple Falls, Washington using Groundwater water sources. It has 52 recorded EPA violations, including 15 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ISLE AIRE BEACH ASSOCIATION

ISLE AIRE BEACH ASSOCIATION is a private-owned community water system that delivers drinking water to 125 residents in Maple Falls, Washington (Whatcom County) through 66 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 15 (29%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 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 Coliform (TCR), recorded in 11 violations (MCL, 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. ISLE AIRE BEACH ASSOCIATION's 52 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
125
Total Violations
52
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
66
County
Whatcom
School/Daycare
No
MCL Violations
15
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 11 1999
Coliform (TCR) MR 5 1999
Arsenic MCL 4 2025
Nitrate MR 2 2022
Consumer Confidence Rule Other 1 1999
1,2,4-Trichlorobenzene MR 1 2002
cis-1,2-Dichloroethylene MR 1 2002
DICHLOROMETHANE MR 1 2002
1,1-Dichloroethylene MR 1 2002
trans-1,2-Dichloroethylene MR 1 2002
1,2-Dichloroethane MR 1 2002
Carbon tetrachloride MR 1 2002
Trichloroethylene MR 1 2002
1,1,2-Trichloroethane MR 1 2002
Tetrachloroethylene MR 1 2002
CHLOROBENZENE MR 1 2002
Benzene MR 1 2002
Cadmium MR 1 1979
Mercury MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Chromium MR 1 1979
Selenium MR 1 1979
Arsenic MR 1 1979
Barium MR 1 1979
1,1,1-Trichloroethane MR 1 2002
Styrene MR 1 2002
o-Dichlorobenzene MR 1 2002
Toluene MR 1 2002
Ethylbenzene MR 1 2002
Fluoride MR 1 1979

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 ISLE AIRE BEACH ASSOCIATION.

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 WA5336268 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 ISLE AIRE BEACH ASSOCIATION 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 Arsenic MCL 4 SDWIS / WA5336268 / 1005
2022 Nitrate MR 2 SDWIS / WA5336268 / 1040
2002 1,2,4-Trichlorobenzene MR 1 SDWIS / WA5336268 / 2378
2002 cis-1,2-Dichloroethylene MR 1 SDWIS / WA5336268 / 2380
2002 DICHLOROMETHANE MR 1 SDWIS / WA5336268 / 2964
2002 1,1-Dichloroethylene MR 1 SDWIS / WA5336268 / 2977
2002 trans-1,2-Dichloroethylene MR 1 SDWIS / WA5336268 / 2979
2002 1,2-Dichloroethane MR 1 SDWIS / WA5336268 / 2980
2002 Carbon tetrachloride MR 1 SDWIS / WA5336268 / 2982
2002 Trichloroethylene MR 1 SDWIS / WA5336268 / 2984
2002 1,1,2-Trichloroethane MR 1 SDWIS / WA5336268 / 2985
2002 Tetrachloroethylene MR 1 SDWIS / WA5336268 / 2987
2002 CHLOROBENZENE MR 1 SDWIS / WA5336268 / 2989
2002 Benzene MR 1 SDWIS / WA5336268 / 2990
2002 1,1,1-Trichloroethane MR 1 SDWIS / WA5336268 / 2981

How ISLE AIRE BEACH ASSOCIATION Compares

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

Metric ISLE AIRE BEACH ASSOCIATION Washington avg Federal benchmark
Total violations 52 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 15 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 125 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 ISLE AIRE BEACH ASSOCIATION water safe to drink?
ISLE AIRE BEACH ASSOCIATION (PWS ID: WA5336268) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does ISLE AIRE BEACH ASSOCIATION serve?
ISLE AIRE BEACH ASSOCIATION serves 125 people in Maple Falls, Washington. It is a Private-owned system using Groundwater water sources with 66 service connections.
What type of violations does ISLE AIRE BEACH ASSOCIATION have?
ISLE AIRE BEACH ASSOCIATION has 52 total violations: 15 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ISLE AIRE BEACH ASSOCIATION water?
No PFAS testing data is available for ISLE AIRE BEACH ASSOCIATION under the EPA's UCMR5 monitoring program.
What water source does ISLE AIRE BEACH ASSOCIATION use?
ISLE AIRE BEACH ASSOCIATION 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