CITY OF FULLERTON
CA · PWS ID CA3010010 · Community water system
85
contaminants tested
29
detected
139,461
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0124 ug/L | 4/15 | 2025 |
| PFPeA | 0.0132 ug/L | 4/15 | 2025 |
| PFBA | 0.0059 ug/L | 3/15 | 2025 |
| PFBS | 0.0076 ug/L | 3/15 | 2025 |
| PFHpA | 0.0048 ug/L | 3/15 | 2025 |
| PFHxS | 0.0062 ug/L | 3/15 | 2025 |
| PFOA | 0.0108 ug/L | 3/15 | 2025 |
| PFOS | 0.0133 ug/L | 3/15 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5582.2 UG/L | 382/382 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 4 UG/L | 244/664 | SYR4 | 2012–2019 |
| Trichloroethylene | 2.5 UG/L | 240/664 | SYR4 | 2012–2019 |
| Bromodichloromethane | 18.3 UG/L | 208/208 | SYR4 | 2012–2019 |
| Chloroform | 28.2 UG/L | 208/208 | SYR4 | 2012–2019 |
| Dibromochloromethane | 18.3 UG/L | 208/208 | SYR4 | 2012–2019 |
| TTHM | 55.6 UG/L | 208/208 | SYR4 | 2012–2019 |
| Bromoform | 10.5 UG/L | 204/208 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 26.36 UG/L | 200/208 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 6.7 UG/L | 197/208 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14.6 UG/L | 175/208 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 8.92 UG/L | 117/208 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 5250 UG/L | 87/87 | SYR4 | 2015–2019 |
| 1,1-Dichloroethylene | 1.8 UG/L | 47/664 | SYR4 | 2012–2019 |
| Fluoride | 650 UG/L | 30/30 | SYR4 | 2013–2019 |
| Combined Uranium | 17.433 UG/L | 20/20 | SYR4 | 2014–2018 |
| LEAD SUMMARY | 0.0090 mg/L | 18/18 | LCR | 2024 |
| Monochloroacetic acid | 7.04 UG/L | 8/208 | SYR4 | 2012–2019 |
| lithium | 34.9834 ug/L | 6/15 | UCMR-5 | 2025 |
| Selenium | 10.3 UG/L | 3/33 | SYR4 | 2013–2019 |
| Arsenic | 2 UG/L | 1/33 | SYR4 | 2013–2019 |
56 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBariumBenzeneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEETHYLENE DIBROMIDEEthylbenzeneHFPO-DALASSOLeadMercuryMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitritePFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnASimazineStyreneThallium, TotalTolueneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
FULLERTON