Golden State Water Company - Placentia (CA) Water Quality

Golden State Water Company - Placentia is a large public water system in EPA region 9 that provides tap water for the 92807, 92886 zip codes. It has 13 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 7.055 µg/L. The maximum reported level of Manganese was 3.383 µg/L. There were 2 contamintants found in the Golden State Water Company - Placentia water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (9)

1,2,3-trichloropropane (9)

1,3-butadiene (9)

1,4-dioxane (9)

1-butanol (9)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (9)

2-propen-1-ol (Allyl Alcohol) (9)

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

4,8-dioxa-3H-perfluorononanoic acid (10)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

alpha-hexachlorocyclohexane (9)

anatoxin-a (7)

bromochloromethane (Halon 1011) (9)

bromomethane (9)

Butylated Hydroxyanisole (9)

chlorate (17)

chlorodifluoromethane (HCFC-22) (9)

chloromethane (9)

chlorpyrifos (9)

chromium (17)

chromium-6 (17)

cobalt (17)

cylindrospermopsin (7)

dimethipin (9)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

ethoprop (9)

Germanium (9)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (16)

HAA9 (nine haloacetic acids) (16)

hexafluoropropylene oxide dimer acid (GenX) (10)

lithium (10)

Manganese (9)

methyl-tertiary-butyl-ether (MTBE) (8)

molinate (8)

molybdenum (17)

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

N-methyl perfluorooctanesulfonamidoacetic acid (10)

nitrobenzene (8)

nonafluoro-3,6-dioxaheptanoic acid (10)

o-toluidine (9)

oxyfluorfen (9)

perchlorate (8)

perfluoro(2-ethoxyethane)sulfonic acid (10)

perfluoro-3-methoxypropanoic acid (10)

perfluoro-4-methoxybutanoic acid (10)

perfluorobutanesulfonic acid (18)

perfluorobutanoic acid (10)

perfluorodecanoic acid (10)

perfluorododecanoic acid (10)

perfluoroheptanesulfonic acid (10)

perfluoroheptanoic acid (18)

perfluorohexanesulfonic acid (18)

perfluorohexanoic acid (10)

perfluorononanoic acid (18)

perfluorooctanesulfonic acid (18)

perfluorooctanoic acid (18)

perfluoropentanesulfonic acid (10)

perfluoropentanoic acid (10)

perfluorotetradecanoic acid (10)

perfluorotridecanoic acid (10)

perfluoroundecanoic acid (10)

profenofos (9)

quinoline (9)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (17)

tebuconazole (9)

terbacil (8)

total microcystins (7)

Total Permethrin (9)

tribufos (9)

vanadium (17)

Sampling Facilities

La Jolla 2
Ground Water (GW)

EP #8 - EP-SCWCPLJ2-01Entry Point to the Distribution System (EP)

Ruby Well
Ground Water (GW)

EP #9 - EP-SCWCPRU-01Entry Point to the Distribution System (EP)

MWD Intertie 1
Surface Water (SW)

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

Bradford Well 4 IX Treatment Finished Water
Ground Water (GW)

PFAS-GSWCPBF4-IX-FNSHEntry Point to the Distribution System (EP)
DL-GSWCPLA-MATHEWSON-01Distribution System (DS)
DL-GSWCPLA-NENNO-01Distribution System (DS)
DL-GSWCPLA-SANGABRIEL-01Distribution System (DS)

Bradford Wells 3 & 4 Blend
Ground Water (GW)

EP-SCWCPBF3BF4-01Entry Point to the Distribution System (EP)

Distribution System - DSMRT Site-SW
Surface Water (SW)

DL-GSWCPLA-NENNO-01Maximum Residence Time (MR)

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

DL-GSWCPLA-LARKRIDGE-01Maximum Residence Time (MR)

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

DL-GSWCPLA-WARREN-01Maximum Residence Time (MR)

MWD-OC56
Surface Water (SW)

IS-DIEMER-PLANTEFF-01Entry Point to the Distribution System (EP)

BRADFORD 03
Ground Water (GW)

BRADFORD 03 03S/10W-36H01SR (SR)

BRADFORD 04
Ground Water (GW)

BRADFORD 04 03S/10W-36H02SR (SR)

LA JOLLA 02
Ground Water (GW)

LA JOLLA 02 04S/10W-01B01SR (SR)

RUBY WELL
Ground Water (GW)

RUBY WELL - 03S/10W-25R01SR (SR)

FAQ

Is Golden State Water Company - Placentia tap water safe to drink?

When was Golden State Water Company - Placentia last tested for water contamination?

The latest water samples were taken on January 27th, 2025.