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D
37

Poor Water Quality

Olympia, WA 98502

Thurston County · Population served: 115,294

Water Systems Serving This Area

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OLYMPIC PARK TRAILER COURT
Groundwater · Pop. 169
PWSID: 105300086
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COOPER POINT ESTATES
Groundwater · Pop. 36
PWSID: WA5302306
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PIONEER
Groundwater · Pop. 84
PWSID: WA5304387
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CARLYON BEACH HOMEOWNERS
Groundwater · Pop. 1,273
PWSID: WA5311159
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COUNTRY CLUB ESTATES 521
Groundwater · Pop. 113
PWSID: WA5315502

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
6.6
15 ppb 1 ppb Warning
Copper
4000.0
1300 ppb 300 ppb Exceeded

PFAS / Forever Chemicals

5 detected 2 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOS5.8 ppt4 ppt4 pptExceeded
PFBS4.8 ppt2000 ppt100 pptBelow limit
PFOA4.3 ppt4 ppt4 pptExceeded
PFHxA4.0 pptNo standard400 pptUnregulated
PFPeA3.3 pptNo standard—Unregulated

Violation History (Last 5 Years)

41Total (5yr)
10Health-Based
18Major