CITY OF REDDING
CA · PWS ID CA4510005 · Community water system
79
contaminants tested
24
detected
89,628
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0089 ug/L | 4/25 | 2023 |
| PFHpA | 0.0051 ug/L | 2/25 | 2023 |
| PFHxA | 0.0068 ug/L | 2/25 | 2023 |
| PFHxS | 0.0089 ug/L | 2/25 | 2023 |
| PFOA | 0.0162 ug/L | 2/25 | 2023 |
| PFOS | 0.0126 ug/L | 2/25 | 2023 |
| PFPeA | 0.0064 ug/L | 2/25 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4520 UG/L | 158/210 | SYR4 | 2012–2019 |
| TTHM | 53.6 UG/L | 68/96 | SYR4 | 2012–2019 |
| Chloroform | 50 UG/L | 67/96 | SYR4 | 2012–2019 |
| Bromodichloromethane | 6.3 UG/L | 62/96 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 53.8 UG/L | 61/90 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 33.9 UG/L | 61/90 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.6 UG/L | 60/90 | SYR4 | 2012–2019 |
| Arsenic | 15.6 UG/L | 49/57 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 23/23 | LCR | 2025 |
| Fluoride | 160 UG/L | 12/17 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.5 UG/L | 7/96 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 4.6 UG/L | 7/90 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.4 UG/L | 4/89 | SYR4 | 2012–2019 |
| lithium | 27.8 ug/L | 4/25 | UCMR-5 | 2023 |
| Barium | 177 UG/L | 3/15 | SYR4 | 2012–2019 |
| Bromoform | 1.14 UG/L | 2/96 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.2 UG/L | 1/90 | SYR4 | 2012–2019 |
55 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosBenzeneBeryllium, TotalCHLOROBENZENECOPPER, FREECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEEthylbenzeneHFPO-DALeadMercuryNEtFOSAANFDHANMeFOSAANitritePFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnASeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
REDDING