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Community Water System · PWS WA5385129

Sun Harbor Water District #3

Burbank, Washington 99323 - drinking water served from groundwater sources to 187 people, tracked in EPA SDWIS and UCMR5.

187
People served
406
EPA violations
85
Health-based
Untested
UCMR5 result

The verdict

EPA records 406 drinking-water violations at Sun Harbor Water District #3, 21% of them health-based - above the Washington per-system average.

406
Total EPA violations on record
21%
Health-based (MCL / treatment failure)
187
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sun Harbor Water District #3

Sun Harbor Water District #3 is a local-owned community water system that delivers drinking water to 187 residents in Burbank, Washington (Walla Walla County) through 88 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 406 total violations for this system , of which 85 (21%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 315 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Nitrate, recorded in 54 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. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Sun Harbor Water District #3's 406 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
187
Total Violations
406
Health-Based Violations
85
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
88
County
Walla Walla
School/Daycare
No
MCL Violations
85
Monitoring Violations
315
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 54 2009
Nitrate MR 28 2009
Fluoride MR 18 2023
Coliform (TCR) MCL 17 2011
Fluoride MCL 14 2013
Lead and Copper Rule MR 10 2022
Pentachlorophenol MR 6 2016
o-Dichlorobenzene MR 6 2016
Vinyl chloride MR 6 2016
1,1-Dichloroethylene MR 6 2016
trans-1,2-Dichloroethylene MR 6 2016
1,1,1-Trichloroethane MR 6 2016
1,2-Dichloropropane MR 6 2016
1,1,2-Trichloroethane MR 6 2016
Tetrachloroethylene MR 6 2016
Benzene MR 6 2016
Styrene MR 6 2016
1,2,4-Trichlorobenzene MR 6 2016
cis-1,2-Dichloroethylene MR 6 2016
p-Dichlorobenzene MR 6 2016
1,2-Dichloroethane MR 6 2016
Carbon tetrachloride MR 6 2016
Toluene MR 6 2016
Ethylbenzene MR 6 2016
DICHLOROMETHANE MR 6 2016
CHLOROBENZENE MR 6 2016
Trichloroethylene MR 6 2016
Dalapon MR 5 2016
Picloram MR 5 2016
Dinoseb MR 5 2016

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 Sun Harbor Water District #3.

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 WA5385129 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 Sun Harbor Water District #3 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
2023 Fluoride MR 18 SDWIS / WA5385129 / 1025
2022 Lead and Copper Rule MR 10 SDWIS / WA5385129 / 5000
2022 Total Haloacetic Acids (HAA5) MR 3 SDWIS / WA5385129 / 2456
2022 TTHM MR 2 SDWIS / WA5385129 / 2950
2020 Arsenic MR 2 SDWIS / WA5385129 / 1005
2020 Cadmium MR 2 SDWIS / WA5385129 / 1015
2020 Mercury MR 2 SDWIS / WA5385129 / 1035
2020 Nickel MR 2 SDWIS / WA5385129 / 1036
2020 Nitrite MR 2 SDWIS / WA5385129 / 1041
2020 Selenium MR 2 SDWIS / WA5385129 / 1045
2020 Beryllium, Total MR 2 SDWIS / WA5385129 / 1075
2020 Thallium, Total MR 2 SDWIS / WA5385129 / 1085
2020 Barium MR 2 SDWIS / WA5385129 / 1010
2020 Chromium MR 2 SDWIS / WA5385129 / 1020
2020 Antimony, Total MR 2 SDWIS / WA5385129 / 1074

How Sun Harbor Water District #3 Compares

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

Metric Sun Harbor Water District #3 Washington avg Federal benchmark
Total violations 406 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 85 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 187 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 Sun Harbor Water District #3 water safe to drink? ▼
Sun Harbor Water District #3 (PWS ID: WA5385129) has 406 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 187 people using Groundwater sources.
How many people does Sun Harbor Water District #3 serve? ▼
Sun Harbor Water District #3 serves 187 people in Burbank, Washington. It is a Local-owned system using Groundwater water sources with 88 service connections.
What type of violations does Sun Harbor Water District #3 have? ▼
Sun Harbor Water District #3 has 406 total violations: 85 health-based violations (MCL exceedances or treatment failures), 315 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sun Harbor Water District #3 water? ▼
No PFAS testing data is available for Sun Harbor Water District #3 under the EPA's UCMR5 monitoring program.
What water source does Sun Harbor Water District #3 use? ▼
Sun Harbor Water District #3 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.