RENTON CITY OF
WA · PWS ID WA5371850 · Community water system
87
contaminants tested
15
detected
108,091
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0030 ug/L | 1/6 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 21.4 UG/L | 89/89 | SYR4 | 2012–2019 |
| Chloroform | 13.6 UG/L | 88/94 | SYR4 | 2012–2019 |
| Bromodichloromethane | 6.7 UG/L | 83/88 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.2 UG/L | 69/80 | SYR4 | 2012–2019 |
| Nitrate | 2200 UG/L | 64/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 7.7 UG/L | 52/87 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.9 UG/L | 51/87 | SYR4 | 2012–2019 |
| Bromoform | 0.9000 UG/L | 20/97 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 4.3 UG/L | 20/91 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0100 mg/L | 11/11 | LCR | 2025 |
| Fluoride | 720 UG/L | 4/4 | SYR4 | 2016–2019 |
| Arsenic | 1.4 UG/L | 1/4 | SYR4 | 2016–2019 |
| COPPER, FREE | 20 UG/L | 1/4 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 2090 UG/L | 1/4 | SYR4 | 2016–2019 |
72 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, TotalBariumBenzeneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEDalaponDibromoacetic acidDinosebETHYLENE DIBROMIDEEthylbenzeneHFPO-DALeadMercuryMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene