PlainWater

CHATTAROY VALLEY MOBILE ESTATES

PWS ID: WA5312243 · Spokane, Washington 99208-9511

CHATTAROY VALLEY MOBILE ESTATES serves 333 people in Spokane, Washington using Groundwater water sources. It has 150 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CHATTAROY VALLEY MOBILE ESTATES

CHATTAROY VALLEY MOBILE ESTATES is a private-owned community water system that delivers drinking water to 333 residents in Spokane, Washington (Spokane County) through 133 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 150 total violations for this system , of which 3 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 141 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Nitrate, recorded in 11 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. CHATTAROY VALLEY MOBILE ESTATES's 150 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
333
Total Violations
150
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
133
County
Spokane
School/Daycare
No
MCL Violations
3
Monitoring Violations
141
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 11 2011
Lead and Copper Rule MR 11 2006
Pentachlorophenol MR 4 2002
Consumer Confidence Rule Other 4 2017
Coliform (TCR) MR 4 1998
Methoxychlor MR 3 2016
Toxaphene MR 3 2016
Di(2-ethylhexyl) adipate MR 3 2016
Simazine MR 3 2016
Di(2-ethylhexyl) phthalate MR 3 2016
Hexachlorocyclopentadiene MR 3 2016
Atrazine MR 3 2016
HEXACHLOROBENZENE MR 3 2016
Heptachlor MR 3 2016
Benzo(a)pyrene MR 3 2016
Chlordane MR 3 2016
BHC-GAMMA MR 3 2016
LASSO MR 3 2016
Heptachlor epoxide MR 3 2016
Coliform (TCR) MCL 3 1991
Endrin MR 3 2016
Dinoseb MR 2 2002
OXAMYL MR 2 2002
Aldicarb sulfoxide MR 2 2002
Aldicarb sulfone MR 2 2002
Carbofuran MR 2 2002
Aldicarb MR 2 2002
DICHLOROMETHANE MR 2 2002
p-Dichlorobenzene MR 2 2002
trans-1,2-Dichloroethylene MR 2 2002

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 CHATTAROY VALLEY MOBILE ESTATES.

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 WA5312243 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 CHATTAROY VALLEY MOBILE ESTATES 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
2017 Consumer Confidence Rule Other 4 SDWIS / WA5312243 / 7000
2016 Methoxychlor MR 3 SDWIS / WA5312243 / 2015
2016 Toxaphene MR 3 SDWIS / WA5312243 / 2020
2016 Di(2-ethylhexyl) adipate MR 3 SDWIS / WA5312243 / 2035
2016 Simazine MR 3 SDWIS / WA5312243 / 2037
2016 Di(2-ethylhexyl) phthalate MR 3 SDWIS / WA5312243 / 2039
2016 Hexachlorocyclopentadiene MR 3 SDWIS / WA5312243 / 2042
2016 Atrazine MR 3 SDWIS / WA5312243 / 2050
2016 HEXACHLOROBENZENE MR 3 SDWIS / WA5312243 / 2274
2016 Heptachlor MR 3 SDWIS / WA5312243 / 2065
2016 Benzo(a)pyrene MR 3 SDWIS / WA5312243 / 2306
2016 Chlordane MR 3 SDWIS / WA5312243 / 2959
2016 BHC-GAMMA MR 3 SDWIS / WA5312243 / 2010
2016 LASSO MR 3 SDWIS / WA5312243 / 2051
2016 Heptachlor epoxide MR 3 SDWIS / WA5312243 / 2067

How CHATTAROY VALLEY MOBILE ESTATES Compares

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

Metric CHATTAROY VALLEY MOBILE ESTATES Washington avg Federal benchmark
Total violations 150 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 333 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 CHATTAROY VALLEY MOBILE ESTATES water safe to drink?
CHATTAROY VALLEY MOBILE ESTATES (PWS ID: WA5312243) has 150 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 333 people using Groundwater sources.
How many people does CHATTAROY VALLEY MOBILE ESTATES serve?
CHATTAROY VALLEY MOBILE ESTATES serves 333 people in Spokane, Washington. It is a Private-owned system using Groundwater water sources with 133 service connections.
What type of violations does CHATTAROY VALLEY MOBILE ESTATES have?
CHATTAROY VALLEY MOBILE ESTATES has 150 total violations: 3 health-based violations (MCL exceedances or treatment failures), 141 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CHATTAROY VALLEY MOBILE ESTATES water?
No PFAS testing data is available for CHATTAROY VALLEY MOBILE ESTATES under the EPA's UCMR5 monitoring program.
What water source does CHATTAROY VALLEY MOBILE ESTATES use?
CHATTAROY VALLEY MOBILE ESTATES 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