COMMERCE-CITY, WATER DEPT.
CA · PWS ID CA1910050 · Community water system
92
contaminants tested
27
detected
4,205
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0075 ug/L | 2/8 | 2024 |
| PFBS | 0.0097 ug/L | 2/8 | 2024 |
| PFHxA | 0.0136 ug/L | 2/8 | 2024 |
| PFPeA | 0.0174 ug/L | 2/8 | 2024 |
| PFHpA | 0.0051 ug/L | 1/8 | 2024 |
| PFOA | 0.0093 ug/L | 1/8 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3900 UG/L | 386/418 | SYR4 | 2012–2019 |
| 1,1-Dichloroethylene | 6.3 UG/L | 203/426 | SYR4 | 2012–2019 |
| Trichloroethylene | 34 UG/L | 192/426 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 40.81 UG/L | 164/426 | SYR4 | 2012–2019 |
| TTHM | 44.2 UG/L | 128/354 | SYR4 | 2012–2019 |
| Fluoride | 818 UG/L | 115/115 | SYR4 | 2012–2019 |
| Chloroform | 16.49 UG/L | 103/354 | SYR4 | 2012–2019 |
| Bromoform | 7.6 UG/L | 62/355 | SYR4 | 2012–2019 |
| Dibromochloromethane | 12.02 UG/L | 62/355 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.68 UG/L | 60/355 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 4.2 UG/L | 58/62 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.6000 mg/L | 26/26 | LCR | 2023 |
| Total Haloacetic Acids (HAA5) | 23 UG/L | 24/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 16 UG/L | 16/62 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.8 UG/L | 10/62 | SYR4 | 2012–2019 |
| lithium | 65.7 ug/L | 4/8 | UCMR-5 | 2024 |
| Arsenic | 4.3 UG/L | 3/7 | SYR4 | 2012–2018 |
| Combined Uranium | 1.937 UG/L | 3/6 | SYR4 | 2013–2019 |
| 1,1,2-Trichloroethane | 0.5100 UG/L | 1/426 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 0.6900 UG/L | 1/426 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1600 UG/L | 1/2 | SYR4 | 2018 |
65 contaminants tested, none detected
1,1,1-Trichloroethane1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbon tetrachlorideChromiumDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateETHYLENE DIBROMIDEEthylbenzeneHEXACHLOROBENZENEHFPO-DAHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnASeleniumSimazineStyreneThallium, TotalTolueneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
MONTEBELLO