GOLDEN HILLS CSD
CA · PWS ID CA1510045 · Community water system
111
contaminants tested
24
detected
9,857
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0186 ug/L | 5/16 | 2024 |
| PFHxA | 0.0073 ug/L | 4/16 | 2024 |
| PFPeA | 0.0093 ug/L | 4/16 | 2024 |
| PFBS | 0.0055 ug/L | 3/16 | 2024 |
| PFHxS | 0.0055 ug/L | 3/16 | 2024 |
| PFOS | 0.0078 ug/L | 2/16 | 2024 |
| PFHpA | 0.0037 ug/L | 1/16 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 9100 UG/L | 350/360 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 3.9 UG/L | 36/65 | SYR4 | 2012–2019 |
| Fluoride | 530 UG/L | 31/32 | SYR4 | 2012–2019 |
| Arsenic | 12 UG/L | 25/88 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0065 mg/L | 24/24 | LCR | 2025 |
| Barium | 120 UG/L | 14/32 | SYR4 | 2012–2019 |
| Combined Uranium | 17.88 UG/L | 10/12 | SYR4 | 2015–2019 |
| Nitrate-Nitrite | 800000 UG/L | 9/11 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.7 UG/L | 6/7 | SYR4 | 2012–2019 |
| Bromoform | 2.7 UG/L | 6/7 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.2 UG/L | 6/7 | SYR4 | 2012–2019 |
| TTHM | 7.5 UG/L | 6/7 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.1 UG/L | 5/6 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 2.1 UG/L | 5/6 | SYR4 | 2014–2019 |
| Chloroform | 0.8400 UG/L | 4/7 | SYR4 | 2012–2019 |
| Selenium | 2.5 UG/L | 2/32 | SYR4 | 2012–2019 |
| Mercury | 0.2500 UG/L | 1/32 | SYR4 | 2012–2019 |
87 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDichloroacetic AcidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene