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Community Water System · PWS WA5315502

Country Club Estates 521

Olympia, Washington 98502 - drinking water served from groundwater sources to 113 people, tracked in EPA SDWIS and UCMR5.

113
People served
113
EPA violations
31
Health-based
Untested
UCMR5 result

The verdict

EPA records 113 drinking-water violations at Country Club Estates 521, 27% of them health-based - above the Washington per-system average.

113
Total EPA violations on record
27%
Health-based (MCL / treatment failure)
113
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Country Club Estates 521

Country Club Estates 521 is a local-owned community water system that delivers drinking water to 113 residents in Olympia, Washington (Thurston County) through 43 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 113 total violations for this system , of which 31 (27%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 29 violations (TT, 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. Statewide, 66 of 247 UCMR5-tested systems have reported PFAS detections (26.7%).

Country Club Estates 521's 113 violations sit above the Washington average.

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
113
Total Violations
113
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
43
County
Thurston
School/Daycare
No
MCL Violations
2
Monitoring Violations
75
Treatment Tech Violations
29

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 29 2022
Lead and Copper Rule MR 22 2007
Coliform (TCR) MR 19 2000
Nitrate MR 8 2006
Consumer Confidence Rule Other 3 2000
Coliform (TCR) MCL 2 2015
Picloram MR 1 2016
2,4,5-TP MR 1 2016
Pentachlorophenol MR 1 2016
cis-1,2-Dichloroethylene MR 1 2016
o-Dichlorobenzene MR 1 2016
p-Dichlorobenzene MR 1 2016
1,1-Dichloroethylene MR 1 2016
1,2-Dichloroethane MR 1 2016
Carbon tetrachloride MR 1 2016
1,2-Dichloropropane MR 1 2016
Trichloroethylene MR 1 2016
1,1,2-Trichloroethane MR 1 2016
CHLOROBENZENE MR 1 2016
Toluene MR 1 2016
Ethylbenzene MR 1 2016
Gross Alpha, Excl. Radon and U MR 1 1979
Dinoseb MR 1 2016
trans-1,2-Dichloroethylene MR 1 2016
Styrene MR 1 2016
1,2,4-Trichlorobenzene MR 1 2016
Tetrachloroethylene MR 1 2016
DICHLOROMETHANE MR 1 2016
1,1,1-Trichloroethane MR 1 2016
Dalapon MR 1 2016

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 Country Club Estates 521.

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 WA5315502 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 Country Club Estates 521 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
2022 Groundwater Rule TT 29 SDWIS / WA5315502 / 0700
2016 Picloram MR 1 SDWIS / WA5315502 / 2040
2016 2,4,5-TP MR 1 SDWIS / WA5315502 / 2110
2016 Pentachlorophenol MR 1 SDWIS / WA5315502 / 2326
2016 cis-1,2-Dichloroethylene MR 1 SDWIS / WA5315502 / 2380
2016 o-Dichlorobenzene MR 1 SDWIS / WA5315502 / 2968
2016 p-Dichlorobenzene MR 1 SDWIS / WA5315502 / 2969
2016 1,1-Dichloroethylene MR 1 SDWIS / WA5315502 / 2977
2016 1,2-Dichloroethane MR 1 SDWIS / WA5315502 / 2980
2016 Carbon tetrachloride MR 1 SDWIS / WA5315502 / 2982
2016 1,2-Dichloropropane MR 1 SDWIS / WA5315502 / 2983
2016 Trichloroethylene MR 1 SDWIS / WA5315502 / 2984
2016 1,1,2-Trichloroethane MR 1 SDWIS / WA5315502 / 2985
2016 CHLOROBENZENE MR 1 SDWIS / WA5315502 / 2989
2016 Toluene MR 1 SDWIS / WA5315502 / 2991

How Country Club Estates 521 Compares

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

Metric Country Club Estates 521 Washington avg Federal benchmark
Total violations 113 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 31 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 26.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 113 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Country Club Estates 521 water safe to drink?
Country Club Estates 521 (PWS ID: WA5315502) has 113 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 113 people using Groundwater sources.
How many people does Country Club Estates 521 serve?
Country Club Estates 521 serves 113 people in Olympia, Washington. It is a Local-owned system using Groundwater water sources with 43 service connections.
What type of violations does Country Club Estates 521 have?
Country Club Estates 521 has 113 total violations: 31 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 29 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Country Club Estates 521 water?
No PFAS testing data is available for Country Club Estates 521 under the EPA's UCMR5 monitoring program.
What water source does Country Club Estates 521 use?
Country Club Estates 521 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.