CITY OF GARDEN GROVE
CA · PWS ID CA3010062 · Community water system
44
contaminants tested
19
detected
174,226
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFPeA | 0.0086 ug/L | 8/24 | 2025 |
| PFBA | 0.0146 ug/L | 7/24 | 2025 |
| PFHxA | 0.0054 ug/L | 5/24 | 2025 |
| PFHxS | 0.0096 ug/L | 5/24 | 2025 |
| PFOS | 0.0190 ug/L | 5/24 | 2025 |
| PFOA | 0.0081 ug/L | 4/24 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 25.4 UG/L | 32/38 | SYR4 | 2012–2019 |
| Bromoform | 16.7 UG/L | 28/38 | SYR4 | 2012–2019 |
| Dibromochloromethane | 9.34 UG/L | 24/38 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 23/23 | LCR | 2025 |
| Bromodichloromethane | 7.7 UG/L | 17/38 | SYR4 | 2012–2019 |
| Chloroform | 4.7 UG/L | 16/38 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 5.36 UG/L | 16/40 | SYR4 | 2017–2019 |
| Total Haloacetic Acids (HAA5) | 11.6 UG/L | 15/40 | SYR4 | 2017–2019 |
| Dichloroacetic Acid | 3.75 UG/L | 14/40 | SYR4 | 2017–2019 |
| Trichloroacetic Acid | 1.8 UG/L | 11/40 | SYR4 | 2017–2019 |
| Monobromoacetic acid | 2.22 UG/L | 9/40 | SYR4 | 2017–2019 |
| lithium | 34.7498 ug/L | 7/24 | UCMR-5 | 2025 |
| Monochloroacetic acid | 2.59 UG/L | 5/40 | SYR4 | 2017–2019 |
25 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONACOPPER, FREEHFPO-DALeadNEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnA
Areas served
GARDEN GROVE