KENNEWICK CITY OF
WA · PWS ID WA5338100 · Community water system
110
contaminants tested
29
detected
118,164
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0064 ug/L | 4/8 | 2024 |
| PFHxA | 0.0065 ug/L | 4/8 | 2024 |
| PFHxS | 0.0106 ug/L | 4/8 | 2024 |
| PFOS | 0.0115 ug/L | 4/8 | 2024 |
| PFPeA | 0.0075 ug/L | 4/8 | 2024 |
| PFOA | 0.0046 ug/L | 2/8 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 25.3 UG/L | 250/260 | SYR4 | 2012–2019 |
| TTHM | 93.01 UG/L | 250/250 | SYR4 | 2012–2019 |
| Chloroform | 56.9 UG/L | 246/254 | SYR4 | 2012–2019 |
| Dibromochloromethane | 26.9 UG/L | 212/257 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 33.4 UG/L | 211/241 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 17 UG/L | 187/243 | SYR4 | 2012–2019 |
| Bromoform | 15.6 UG/L | 180/259 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 22.2 UG/L | 153/245 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 6.04 UG/L | 108/243 | SYR4 | 2012–2019 |
| Nitrate | 5500 UG/L | 46/64 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0214 mg/L | 14/14 | LCR | 2025 |
| Barium | 61.7 UG/L | 7/7 | SYR4 | 2012–2014 |
| Arsenic | 5 UG/L | 5/7 | SYR4 | 2012–2014 |
| COPPER, FREE | 50 UG/L | 5/7 | SYR4 | 2012–2014 |
| Nitrate-Nitrite | 3790 UG/L | 5/8 | SYR4 | 2012–2015 |
| Gross Beta Particle Activity | 11.5 PCI/L | 4/7 | SYR4 | 2012–2014 |
| Chromium | 1.44 UG/L | 3/7 | SYR4 | 2012–2014 |
| Fluoride | 769 UG/L | 3/7 | SYR4 | 2012–2014 |
| DICHLOROMETHANE | 0.8300 UG/L | 1/14 | SYR4 | 2012–2019 |
| Lead | 1.61 UG/L | 1/7 | SYR4 | 2012–2014 |
| Monobromoacetic acid | 1.55 UG/L | 1/248 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 2.1 UG/L | 1/248 | SYR4 | 2012–2019 |
| lithium | 9.38 ug/L | 1/8 | UCMR-5 | 2023 |
81 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, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene