PlainWater

MARSHALL COMMUNITY WATER ASSN

PWS ID: WA5351845 · Marshall, Washington 99020

MARSHALL COMMUNITY WATER ASSN serves 74 people in Marshall, Washington using Groundwater water sources. It has 397 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARSHALL COMMUNITY WATER ASSN

MARSHALL COMMUNITY WATER ASSN is a private-owned community water system that delivers drinking water to 74 residents in Marshall, Washington (Spokane County) through 30 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 397 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 390 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 Nitrate, recorded in 16 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. MARSHALL COMMUNITY WATER ASSN's 397 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
74
Total Violations
397
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
30
County
Spokane
School/Daycare
No
MCL Violations
2
Monitoring Violations
390
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 16 2019
1,2,4-Trichlorobenzene MR 9 2015
cis-1,2-Dichloroethylene MR 9 2015
DICHLOROMETHANE MR 9 2015
o-Dichlorobenzene MR 9 2015
1,1-Dichloroethylene MR 9 2015
trans-1,2-Dichloroethylene MR 9 2015
1,2-Dichloroethane MR 9 2015
Carbon tetrachloride MR 9 2015
1,2-Dichloropropane MR 9 2015
Trichloroethylene MR 9 2015
Tetrachloroethylene MR 9 2015
Ethylbenzene MR 9 2015
Styrene MR 9 2015
Vinyl chloride MR 9 2015
p-Dichlorobenzene MR 9 2015
1,1,1-Trichloroethane MR 9 2015
1,1,2-Trichloroethane MR 9 2015
CHLOROBENZENE MR 9 2015
Toluene MR 9 2015
Benzene MR 9 2015
Coliform (TCR) MR 8 2015
Pentachlorophenol MR 6 2005
Barium MR 5 2011
Cadmium MR 5 2011
Chromium MR 5 2011
Fluoride MR 5 2011
Mercury MR 5 2011
Selenium MR 5 2011
BHC-GAMMA MR 5 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 MARSHALL COMMUNITY WATER ASSN.

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 WA5351845 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 MARSHALL COMMUNITY WATER ASSN 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 / WA5351845 / 7000
2020 Revised Total Coliform Rule MON 3 SDWIS / WA5351845 / 8000
2019 Nitrate MR 16 SDWIS / WA5351845 / 1040
2017 TTHM MR 1 SDWIS / WA5351845 / 2950
2017 Total Haloacetic Acids (HAA5) MR 1 SDWIS / WA5351845 / 2456
2015 1,2,4-Trichlorobenzene MR 9 SDWIS / WA5351845 / 2378
2015 cis-1,2-Dichloroethylene MR 9 SDWIS / WA5351845 / 2380
2015 DICHLOROMETHANE MR 9 SDWIS / WA5351845 / 2964
2015 o-Dichlorobenzene MR 9 SDWIS / WA5351845 / 2968
2015 1,1-Dichloroethylene MR 9 SDWIS / WA5351845 / 2977
2015 trans-1,2-Dichloroethylene MR 9 SDWIS / WA5351845 / 2979
2015 1,2-Dichloroethane MR 9 SDWIS / WA5351845 / 2980
2015 Carbon tetrachloride MR 9 SDWIS / WA5351845 / 2982
2015 1,2-Dichloropropane MR 9 SDWIS / WA5351845 / 2983
2015 Trichloroethylene MR 9 SDWIS / WA5351845 / 2984

How MARSHALL COMMUNITY WATER ASSN Compares

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

Metric MARSHALL COMMUNITY WATER ASSN Washington avg Federal benchmark
Total violations 397 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 74 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 MARSHALL COMMUNITY WATER ASSN water safe to drink?
MARSHALL COMMUNITY WATER ASSN (PWS ID: WA5351845) has 397 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 74 people using Groundwater sources.
How many people does MARSHALL COMMUNITY WATER ASSN serve?
MARSHALL COMMUNITY WATER ASSN serves 74 people in Marshall, Washington. It is a Private-owned system using Groundwater water sources with 30 service connections.
What type of violations does MARSHALL COMMUNITY WATER ASSN have?
MARSHALL COMMUNITY WATER ASSN has 397 total violations: 2 health-based violations (MCL exceedances or treatment failures), 390 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARSHALL COMMUNITY WATER ASSN water?
No PFAS testing data is available for MARSHALL COMMUNITY WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does MARSHALL COMMUNITY WATER ASSN use?
MARSHALL COMMUNITY WATER ASSN 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