TACOMA WATER DIVISION CITY OF
WA · PWS ID WA5386800 · Community water system
108
contaminants tested
23
detected
446,170
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0051 ug/L | 4/8 | 2025 |
| PFBS | 0.0033 ug/L | 1/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 59.44 UG/L | 423/425 | SYR4 | 2012–2019 |
| Chloroform | 55 UG/L | 374/408 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 43 UG/L | 354/388 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 19 UG/L | 318/361 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 24 UG/L | 316/359 | SYR4 | 2012–2019 |
| Bromodichloromethane | 23 UG/L | 314/362 | SYR4 | 2012–2019 |
| Nitrate | 4950 UG/L | 180/224 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.7 UG/L | 85/460 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 4830 UG/L | 57/73 | SYR4 | 2012–2019 |
| Fluoride | 880 UG/L | 23/41 | SYR4 | 2012–2019 |
| Bromoform | 1.2 UG/L | 20/465 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0320 mg/L | 17/17 | LCR | 2025 |
| Barium | 70 UG/L | 9/41 | SYR4 | 2012–2019 |
| Chromium | 2 UG/L | 8/41 | SYR4 | 2012–2019 |
| Arsenic | 7 UG/L | 7/42 | SYR4 | 2012–2019 |
| COPPER, FREE | 160 UG/L | 7/41 | SYR4 | 2012–2019 |
| Trichloroethylene | 1.7 UG/L | 7/46 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 3.2 PCI/L | 2/7 | SYR4 | 2013–2014 |
| Lead | 3 UG/L | 2/41 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 2.4 UG/L | 2/434 | SYR4 | 2012–2019 |
| Mercury | 0.7000 UG/L | 1/41 | SYR4 | 2012–2019 |
85 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, TotalBromateCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene