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CASCADE VILLAGE MHP

PWS ID: WA5311488 · Ellensburg, Washington 98926

CASCADE VILLAGE MHP serves 164 people in Ellensburg, Washington using Groundwater water sources. It has 439 recorded EPA violations, including 21 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CASCADE VILLAGE MHP

CASCADE VILLAGE MHP is a private-owned community water system that delivers drinking water to 164 residents in Ellensburg, Washington (Grant County) through 61 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 439 total violations for this system , of which 21 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 414 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 21 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. CASCADE VILLAGE MHP's 439 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
164
Total Violations
439
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
61
County
Grant
School/Daycare
No
MCL Violations
21
Monitoring Violations
414
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 21 2000
DICHLOROMETHANE MR 19 2015
p-Dichlorobenzene MR 19 2015
1,1-Dichloroethylene MR 19 2015
1,2-Dichloroethane MR 19 2015
1,1,1-Trichloroethane MR 19 2015
Carbon tetrachloride MR 19 2015
Tetrachloroethylene MR 19 2015
CHLOROBENZENE MR 19 2015
Benzene MR 19 2015
1,2,4-Trichlorobenzene MR 19 2015
cis-1,2-Dichloroethylene MR 19 2015
Vinyl chloride MR 19 2015
trans-1,2-Dichloroethylene MR 19 2015
1,2-Dichloropropane MR 19 2015
Trichloroethylene MR 19 2015
1,1,2-Trichloroethane MR 19 2015
Ethylbenzene MR 19 2015
Styrene MR 19 2015
o-Dichlorobenzene MR 19 2015
Nitrate MR 18 2007
Toluene MR 18 2015
Diquat MR 10 2005
Coliform (TCR) MR 6 2000
Consumer Confidence Rule Other 3 1999
Gross Alpha, Excl. Radon and U 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 CASCADE VILLAGE MHP.

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 WA5311488 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 CASCADE VILLAGE MHP 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
2015 DICHLOROMETHANE MR 19 SDWIS / WA5311488 / 2964
2015 p-Dichlorobenzene MR 19 SDWIS / WA5311488 / 2969
2015 1,1-Dichloroethylene MR 19 SDWIS / WA5311488 / 2977
2015 1,2-Dichloroethane MR 19 SDWIS / WA5311488 / 2980
2015 1,1,1-Trichloroethane MR 19 SDWIS / WA5311488 / 2981
2015 Carbon tetrachloride MR 19 SDWIS / WA5311488 / 2982
2015 Tetrachloroethylene MR 19 SDWIS / WA5311488 / 2987
2015 CHLOROBENZENE MR 19 SDWIS / WA5311488 / 2989
2015 Benzene MR 19 SDWIS / WA5311488 / 2990
2015 1,2,4-Trichlorobenzene MR 19 SDWIS / WA5311488 / 2378
2015 cis-1,2-Dichloroethylene MR 19 SDWIS / WA5311488 / 2380
2015 Vinyl chloride MR 19 SDWIS / WA5311488 / 2976
2015 trans-1,2-Dichloroethylene MR 19 SDWIS / WA5311488 / 2979
2015 1,2-Dichloropropane MR 19 SDWIS / WA5311488 / 2983
2015 Trichloroethylene MR 19 SDWIS / WA5311488 / 2984

How CASCADE VILLAGE MHP Compares

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

Metric CASCADE VILLAGE MHP Washington avg Federal benchmark
Total violations 439 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 21 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 164 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 CASCADE VILLAGE MHP water safe to drink? ▼
CASCADE VILLAGE MHP (PWS ID: WA5311488) has 439 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 164 people using Groundwater sources.
How many people does CASCADE VILLAGE MHP serve? ▼
CASCADE VILLAGE MHP serves 164 people in Ellensburg, Washington. It is a Private-owned system using Groundwater water sources with 61 service connections.
What type of violations does CASCADE VILLAGE MHP have? ▼
CASCADE VILLAGE MHP has 439 total violations: 21 health-based violations (MCL exceedances or treatment failures), 414 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CASCADE VILLAGE MHP water? ▼
No PFAS testing data is available for CASCADE VILLAGE MHP under the EPA's UCMR5 monitoring program.
What water source does CASCADE VILLAGE MHP use? ▼
CASCADE VILLAGE MHP 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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