DEER PARK CITY OF
WA · PWS ID WA5318500 · Community water system
103
contaminants tested
19
detected
5,435
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0031 ug/L | 1/16 | 2024 |
| PFNA | 0.0043 ug/L | 1/16 | 2024 |
| PFOS | 0.0075 ug/L | 1/16 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5200 UG/L | 118/118 | SYR4 | 2012–2019 |
| COPPER, FREE | 35.6 UG/L | 14/20 | SYR4 | 2015–2019 |
| LEAD SUMMARY | 0.0281 mg/L | 14/14 | LCR | 2025 |
| Bromodichloromethane | 1.08 UG/L | 7/30 | SYR4 | 2012–2019 |
| Bromoform | 0.9100 UG/L | 7/30 | SYR4 | 2012–2019 |
| Chloroform | 2.79 UG/L | 7/30 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.49 UG/L | 7/30 | SYR4 | 2012–2019 |
| TTHM | 5.83 UG/L | 7/7 | SYR4 | 2013–2019 |
| Arsenic | 6.11 UG/L | 4/4 | SYR4 | 2015–2019 |
| Barium | 79.4 UG/L | 4/4 | SYR4 | 2015–2019 |
| Nitrate-Nitrite | 4640 UG/L | 4/4 | SYR4 | 2015–2019 |
| Fluoride | 140 UG/L | 2/4 | SYR4 | 2015–2019 |
| Lead | 3.1 UG/L | 2/20 | SYR4 | 2015–2019 |
| Picloram | 0.1160 UG/L | 1/6 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 1.23 UG/L | 1/8 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 1.23 UG/L | 1/8 | SYR4 | 2013–2019 |
84 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDichloroacetic AcidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene