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DALLESPORT DOMESTIC WATER SHARERS

PWS ID: WA5315077 · Dallesport, Washington 98617

DALLESPORT DOMESTIC WATER SHARERS serves 32 people in Dallesport, Washington using Groundwater water sources. It has 171 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DALLESPORT DOMESTIC WATER SHARERS

DALLESPORT DOMESTIC WATER SHARERS is a private-owned community water system that delivers drinking water to 32 residents in Dallesport, Washington (Klickitat County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 171 total violations for this system , of which 2 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 164 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 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. DALLESPORT DOMESTIC WATER SHARERS's 171 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
32
Total Violations
171
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
14
County
Klickitat
School/Daycare
No
MCL Violations
2
Monitoring Violations
164
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2010
Revised Total Coliform Rule MON 14 2022
Nitrate MR 9 2022
Heptachlor epoxide MR 6 2005
Aldicarb sulfone MR 5 2005
Carbofuran MR 5 2005
Aldicarb sulfoxide MR 5 2005
OXAMYL MR 5 2005
Aldicarb MR 5 2005
Lead and Copper Rule MR 3 2020
Arsenic MR 2 2005
Barium MR 2 2005
Cadmium MR 2 2005
Nickel MR 2 2005
Antimony, Total MR 2 2005
Thallium, Total MR 2 2005
cis-1,2-Dichloroethylene MR 2 2005
DICHLOROMETHANE MR 2 2005
1,1-Dichloroethylene MR 2 2005
1,2-Dichloroethane MR 2 2005
Trichloroethylene MR 2 2005
Tetrachloroethylene MR 2 2005
Ethylbenzene MR 2 2005
Styrene MR 2 2005
1,2,4-Trichlorobenzene MR 2 2005
o-Dichlorobenzene MR 2 2005
p-Dichlorobenzene MR 2 2005
1,1,1-Trichloroethane MR 2 2005
1,1,2-Trichloroethane MR 2 2005
Benzene MR 2 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 DALLESPORT DOMESTIC WATER SHARERS.

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 WA5315077 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 DALLESPORT DOMESTIC WATER SHARERS 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
2024 Consumer Confidence Rule Other 2 SDWIS / WA5315077 / 7000
2022 Revised Total Coliform Rule MON 14 SDWIS / WA5315077 / 8000
2022 Nitrate MR 9 SDWIS / WA5315077 / 1040
2020 Lead and Copper Rule MR 3 SDWIS / WA5315077 / 5000
2010 Coliform (TCR) MR 23 SDWIS / WA5315077 / 3100
2006 Coliform (TCR) MCL 2 SDWIS / WA5315077 / 3100
2005 Heptachlor epoxide MR 6 SDWIS / WA5315077 / 2067
2005 Aldicarb sulfone MR 5 SDWIS / WA5315077 / 2044
2005 Carbofuran MR 5 SDWIS / WA5315077 / 2046
2005 Aldicarb sulfoxide MR 5 SDWIS / WA5315077 / 2043
2005 OXAMYL MR 5 SDWIS / WA5315077 / 2036
2005 Aldicarb MR 5 SDWIS / WA5315077 / 2047
2005 Arsenic MR 2 SDWIS / WA5315077 / 1005
2005 Barium MR 2 SDWIS / WA5315077 / 1010
2005 Cadmium MR 2 SDWIS / WA5315077 / 1015

How DALLESPORT DOMESTIC WATER SHARERS Compares

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

Metric DALLESPORT DOMESTIC WATER SHARERS Washington avg Federal benchmark
Total violations 171 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 32 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 DALLESPORT DOMESTIC WATER SHARERS water safe to drink? ▼
DALLESPORT DOMESTIC WATER SHARERS (PWS ID: WA5315077) has 171 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 32 people using Groundwater sources.
How many people does DALLESPORT DOMESTIC WATER SHARERS serve? ▼
DALLESPORT DOMESTIC WATER SHARERS serves 32 people in Dallesport, Washington. It is a Private-owned system using Groundwater water sources with 14 service connections.
What type of violations does DALLESPORT DOMESTIC WATER SHARERS have? ▼
DALLESPORT DOMESTIC WATER SHARERS has 171 total violations: 2 health-based violations (MCL exceedances or treatment failures), 164 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DALLESPORT DOMESTIC WATER SHARERS water? ▼
No PFAS testing data is available for DALLESPORT DOMESTIC WATER SHARERS under the EPA's UCMR5 monitoring program.
What water source does DALLESPORT DOMESTIC WATER SHARERS use? ▼
DALLESPORT DOMESTIC WATER SHARERS 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.

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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.

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