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RED MOUNTAIN WATER ASSOCIATION

PWS ID: WA5306091 · Pasco, Washington 99302

RED MOUNTAIN WATER ASSOCIATION serves 200 people in Pasco, Washington using Groundwater water sources. It has 454 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RED MOUNTAIN WATER ASSOCIATION

RED MOUNTAIN WATER ASSOCIATION is a private-owned community water system that delivers drinking water to 200 residents in Pasco, Washington (Benton County) through 87 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 454 total violations for this system , of which 17 (4%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 435 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 cis-1,2-Dichloroethylene, recorded in 20 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. RED MOUNTAIN WATER ASSOCIATION's 454 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
200
Total Violations
454
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
87
County
Benton
School/Daycare
No
MCL Violations
17
Monitoring Violations
435
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 20 2025
p-Dichlorobenzene MR 20 2025
Vinyl chloride MR 20 2025
trans-1,2-Dichloroethylene MR 20 2025
1,2-Dichloroethane MR 20 2025
1,1,1-Trichloroethane MR 20 2025
Trichloroethylene MR 20 2025
Tetrachloroethylene MR 20 2025
CHLOROBENZENE MR 20 2025
Benzene MR 20 2025
Styrene MR 20 2025
o-Dichlorobenzene MR 20 2025
1,1-Dichloroethylene MR 20 2025
1,2-Dichloropropane MR 20 2025
Toluene MR 20 2025
1,2,4-Trichlorobenzene MR 20 2025
DICHLOROMETHANE MR 20 2025
1,1,2-Trichloroethane MR 20 2025
Ethylbenzene MR 20 2025
Carbon tetrachloride MR 20 2025
Coliform (TCR) MCL 17 2006
Nitrate MR 12 2009
Coliform (TCR) MR 3 2010
Consumer Confidence Rule Other 1 2015
Endrin MR 1 2025
BHC-GAMMA MR 1 2025
Methoxychlor MR 1 2025
Toxaphene MR 1 2025
Simazine MR 1 2025
Di(2-ethylhexyl) phthalate MR 1 2025

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 RED MOUNTAIN WATER 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 WA5306091 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 RED MOUNTAIN WATER 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 cis-1,2-Dichloroethylene MR 20 SDWIS / WA5306091 / 2380
2025 p-Dichlorobenzene MR 20 SDWIS / WA5306091 / 2969
2025 Vinyl chloride MR 20 SDWIS / WA5306091 / 2976
2025 trans-1,2-Dichloroethylene MR 20 SDWIS / WA5306091 / 2979
2025 1,2-Dichloroethane MR 20 SDWIS / WA5306091 / 2980
2025 1,1,1-Trichloroethane MR 20 SDWIS / WA5306091 / 2981
2025 Trichloroethylene MR 20 SDWIS / WA5306091 / 2984
2025 Tetrachloroethylene MR 20 SDWIS / WA5306091 / 2987
2025 CHLOROBENZENE MR 20 SDWIS / WA5306091 / 2989
2025 Benzene MR 20 SDWIS / WA5306091 / 2990
2025 Styrene MR 20 SDWIS / WA5306091 / 2996
2025 o-Dichlorobenzene MR 20 SDWIS / WA5306091 / 2968
2025 1,1-Dichloroethylene MR 20 SDWIS / WA5306091 / 2977
2025 1,2-Dichloropropane MR 20 SDWIS / WA5306091 / 2983
2025 Toluene MR 20 SDWIS / WA5306091 / 2991

How RED MOUNTAIN WATER ASSOCIATION Compares

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

Metric RED MOUNTAIN WATER ASSOCIATION Washington avg Federal benchmark
Total violations 454 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 17 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 200 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 RED MOUNTAIN WATER ASSOCIATION water safe to drink?
RED MOUNTAIN WATER ASSOCIATION (PWS ID: WA5306091) has 454 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does RED MOUNTAIN WATER ASSOCIATION serve?
RED MOUNTAIN WATER ASSOCIATION serves 200 people in Pasco, Washington. It is a Private-owned system using Groundwater water sources with 87 service connections.
What type of violations does RED MOUNTAIN WATER ASSOCIATION have?
RED MOUNTAIN WATER ASSOCIATION has 454 total violations: 17 health-based violations (MCL exceedances or treatment failures), 435 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RED MOUNTAIN WATER ASSOCIATION water?
No PFAS testing data is available for RED MOUNTAIN WATER ASSOCIATION under the EPA's UCMR5 monitoring program.
What water source does RED MOUNTAIN WATER ASSOCIATION use?
RED MOUNTAIN WATER 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