CERES, CITY OF
CA · PWS ID CA5010028 · Community water system
111
contaminants tested
27
detected
54,513
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0057 ug/L | 5/16 | 2025 |
| PFBS | 0.0066 ug/L | 2/16 | 2025 |
| PFHxA | 0.0074 ug/L | 2/16 | 2025 |
| PFOA | 0.0120 ug/L | 2/16 | 2025 |
| PFOS | 0.0240 ug/L | 2/16 | 2025 |
| PFPeA | 0.0084 ug/L | 2/16 | 2025 |
| PFHpA | 0.0047 ug/L | 1/16 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 12000 UG/L | 750/754 | SYR4 | 2012–2019 |
| Arsenic | 24 UG/L | 664/672 | SYR4 | 2012–2019 |
| Combined Uranium | 53.64 UG/L | 366/367 | SYR4 | 2012–2019 |
| Bromoform | 9.6 UG/L | 78/130 | SYR4 | 2012–2019 |
| TTHM | 12 UG/L | 65/130 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.2 UG/L | 47/130 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 68 UG/L | 46/87 | SYR4 | 2013–2019 |
| Barium | 430 UG/L | 40/40 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 7.3 UG/L | 36/81 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0080 mg/L | 35/35 | LCR | 2023 |
| Fluoride | 250 UG/L | 29/41 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.7 UG/L | 25/83 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 68 UG/L | 23/87 | SYR4 | 2013–2019 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.1800 UG/L | 10/58 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1000000 UG/L | 8/9 | SYR4 | 2013–2017 |
| Selenium | 5.7 UG/L | 6/40 | SYR4 | 2012–2019 |
| lithium | 15.7 ug/L | 6/16 | UCMR-5 | 2025 |
| Monochloroacetic acid | 25 UG/L | 4/94 | SYR4 | 2013–2019 |
| Chloroform | 0.6100 UG/L | 1/131 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 9.6 PCI/L | 1/1 | SYR4 | 2017 |
84 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromodichloromethaneCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
CERES