REDMOND WATER SYSTEM CITY OF
WA · PWS ID WA5371650 · Community water system
90
contaminants tested
23
detected
163,335
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0050 ug/L | 2/10 | 2024 |
| PFOS | 0.0050 ug/L | 1/10 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 23.5 UG/L | 251/251 | SYR4 | 2012–2019 |
| TTHM | 55.39 UG/L | 249/249 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 51.08 UG/L | 249/249 | SYR4 | 2012–2019 |
| Chloroform | 48.7 UG/L | 245/259 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 30.8 UG/L | 244/245 | SYR4 | 2012–2019 |
| Bromodichloromethane | 7.36 UG/L | 236/245 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.42 UG/L | 71/260 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 7.6 UG/L | 66/246 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.58 UG/L | 57/251 | SYR4 | 2012–2019 |
| Bromoform | 1.43 UG/L | 45/261 | SYR4 | 2012–2019 |
| Nitrate | 1900 UG/L | 40/62 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1900 UG/L | 20/31 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 14/14 | LCR | 2024 |
| Fluoride | 830 UG/L | 5/5 | SYR4 | 2012–2017 |
| Tetrachloroethylene | 1.1 UG/L | 3/12 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 1.6 PCI/L | 2/3 | SYR4 | 2016 |
| Arsenic | 1.8 UG/L | 1/5 | SYR4 | 2012–2017 |
| Barium | 5 UG/L | 1/5 | SYR4 | 2012–2017 |
| COPPER, FREE | 34 UG/L | 1/5 | SYR4 | 2012–2017 |
| Chromium | 2 UG/L | 1/5 | SYR4 | 2012–2017 |
| lithium | 13 ug/L | 1/10 | UCMR-5 | 2024 |
67 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, TotalAsbestosBenzeneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideCombined UraniumDICHLOROMETHANEDalaponDinosebETHYLENE DIBROMIDEEthylbenzeneHFPO-DALeadMercuryMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene