City of Fountain Valley (CA) Water Quality

City of Fountain Valley is a large public water system in EPA region 9 that provides tap water for the 92708 zip codes. It has 18 facilities where the water supply was tested for 90 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.05 µg/L. The maximum reported level of Manganese was 12.134 µg/L. There were 2 contamintants found in the City of Fountain Valley water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (15)

1,2,3-trichloropropane (15)

1,2-diphenylhydrazine (26)

1,3-butadiene (15)

1,4-dioxane (15)

1-butanol (15)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (15)

1H,1H,2H,2H-perfluorodecane sulfonic acid (15)

1H,1H,2H,2H-perfluorohexane sulfonic acid (15)

1H,1H,2H,2H-perfluorooctane sulfonic acid (15)

2,4,6-trichlorophenol (14)

2,4-dichlorophenol (14)

2,4-dinitrophenol (14)

2,4-dinitrotoluene (16)

2,6-dinitrotoluene (16)

2-methoxyethanol (15)

2-methyl-phenol (14)

2-propen-1-ol (Allyl Alcohol) (15)

4,4'-dichloro dichlorophenyl ethylene (DDE) (16)

4,8-dioxa-3H-perfluorononanoic acid (15)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (15)

alpha-hexachlorocyclohexane (15)

anatoxin-a (8)

bromochloromethane (Halon 1011) (15)

bromomethane (15)

Butylated Hydroxyanisole (15)

chlorate (21)

chlorodifluoromethane (HCFC-22) (15)

chloromethane (15)

chlorpyrifos (15)

chromium (21)

chromium-6 (21)

cobalt (21)

cylindrospermopsin (8)

diazinon (26)

dimethipin (15)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (14)

diuron (14)

ethoprop (15)

fonofos (26)

Germanium (15)

HAA5 (five regulated haloacetic acids) (32)

HAA6Br (six brominated haloacetic acids) (32)

HAA9 (nine haloacetic acids) (32)

hexafluoropropylene oxide dimer acid (GenX) (15)

linuron (14)

lithium (15)

Manganese (15)

methyl-tertiary-butyl-ether (MTBE) (19)

molinate (16)

molybdenum (21)

N-ethyl perfluorooctanesulfonamidoacetic acid (15)

N-methyl perfluorooctanesulfonamidoacetic acid (15)

nitrobenzene (26)

nitrobenzene (19)

nonafluoro-3,6-dioxaheptanoic acid (15)

o-toluidine (15)

oxyfluorfen (15)

perchlorate (14)

perfluoro(2-ethoxyethane)sulfonic acid (15)

perfluoro-3-methoxypropanoic acid (15)

perfluoro-4-methoxybutanoic acid (15)

perfluorobutanesulfonic acid (30)

perfluorobutanoic acid (15)

perfluorodecanoic acid (15)

perfluorododecanoic acid (15)

perfluoroheptanesulfonic acid (15)

perfluoroheptanoic acid (30)

perfluorohexanesulfonic acid (30)

perfluorohexanoic acid (15)

perfluorononanoic acid (30)

perfluorooctanesulfonic acid (30)

perfluorooctanoic acid (30)

perfluoropentanesulfonic acid (15)

perfluoropentanoic acid (15)

perfluorotetradecanoic acid (15)

perfluorotridecanoic acid (15)

perfluoroundecanoic acid (15)

profenofos (15)

prometon (26)

quinoline (15)

s-ethyl-dipropylthiocarbamate (EPTC) (16)

strontium (21)

tebuconazole (15)

terbacil (16)

terbufos (26)

total microcystins (8)

Total Permethrin (15)

tribufos (15)

vanadium (21)

Sampling Facilities

Well 11 Plant
Ground Water (GW)

EP #18 - EP-FV11-01Entry Point to the Distribution System (EP)

Well 10 Plant
Ground Water (GW)

EP #17 - EP-FV10-01Entry Point to the Distribution System (EP)

Well 8 Plant
Ground Water (GW)

EP #16 - EP-FV8-01Entry Point to the Distribution System (EP)

Well 6 Plant
Ground Water (GW)

EP #15 - EP-FV6-01Entry Point to the Distribution System (EP)

Well 12 Plant
Ground Water (GW)

EP #19 - EP-FV12-01Entry Point to the Distribution System (EP)

MWD Intertie 1
Surface Water (SW)

IS-DIEMER-PLANTEFF-FVEntry Point to the Distribution System (EP)

Well 9
Ground Water (GW)

EP-FV9-01Entry Point to the Distribution System (EP)

Fountain Valley Distribution System
Multiple Sources (MX)

DL-FV-ELRANCHO-01Distribution System (DS)
DL-FV-ELPRESIDENTE-01Distribution System (DS)
DL-FV-MACKENZIE-01Distribution System (DS)
DL-FV-BLUEBIRD-01Distribution System (DS)
DL-FV-GARDENIA-01Distribution System (DS)
DL-FV-MESQUITE-01Distribution System (DS)
DL-FV-MORNINGGLORY-01Distribution System (DS)
DL-FV-EDINGER-01Distribution System (DS)

Distribution System - DSMRT Site-SW
Multiple Sources (MX)

DL-FV-BLUEBIRD-01Maximum Residence Time (MR)

Distribution System- DSMRT Site- GW
Ground Water (GW)

DL-FV-BLUEBIRD-01Maximum Residence Time (MR)

EP- #014 WELL 04 PLANT - TREATED
Ground Water (GW)

EP-FV4-01Entry Point to the Distribution System (EP)

WELL 03
Ground Water (GW)

WELL 03 05S/10W-21B03SR (SR)

WELL 04
Ground Water (GW)

WELL 04 05S/10W-29F06SR (SR)

WELL 06 - TREATED
Ground Water (GW)

WELL 06 - TREATED 05S/10W-28B09SR (SR)

WELL 08
Ground Water (GW)

WELL 08 05S/10W-21B04SR (SR)

WELL 10 - TREATED
Ground Water (GW)

WELL 10 - TREATED 05S/10W-28C09SR (SR)

WELL 11 - TREATED
Ground Water (GW)

WELL 11 - TREATED 05S/10W-20M01SR (SR)

WELL 12
Ground Water (GW)

WELL 12 3010069-011 (FV-12/1)SR (SR)

FAQ

Is City of Fountain Valley tap water safe to drink?

When was City of Fountain Valley last tested for water contamination?

The latest water samples were taken on January 28th, 2025.