Otay Water District (CA) Water Quality

Otay Water District is a large public water system in EPA region 9 that provides tap water for the 91902, 91911, 91914, 91915, 91935, 91945, 91978, 92020, 92021, 92109, 92173 zip codes. It has 4 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 25.09 µg/L. The maximum reported level of Manganese was 9.2 µg/L. There were 2 contamintants found in the Otay Water District water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (8)

1,2,3-trichloropropane (8)

1,3-butadiene (8)

1,4-dioxane (8)

1-butanol (8)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

17-alpha-ethynylestradiol (8)

17-beta-estradiol (8)

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

2-methoxyethanol (8)

2-propen-1-ol (Allyl Alcohol) (8)

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

4-androstene-3,17-dione (8)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

alpha-hexachlorocyclohexane (8)

anatoxin-a (16)

bromochloromethane (Halon 1011) (8)

bromomethane (8)

Butylated Hydroxyanisole (8)

chlorate (16)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (8)

chromium (16)

chromium-6 (16)

cobalt (16)

cylindrospermopsin (16)

dimethipin (8)

equilin (8)

estriol (8)

estrone (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (32)

HAA6Br (six brominated haloacetic acids) (32)

HAA9 (nine haloacetic acids) (32)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (8)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (8)

oxyfluorfen (8)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (16)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (16)

perfluorohexanesulfonic acid (16)

perfluorohexanoic acid (8)

perfluorononanoic acid (16)

perfluorooctanesulfonic acid (16)

perfluorooctanoic acid (16)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (8)

quinoline (8)

strontium (16)

tebuconazole (8)

testosterone (8)

total microcystins (16)

Total Permethrin (8)

tribufos (8)

vanadium (16)

Sampling Facilities

SDCWA Intertie
Surface Water (SW)

SDCWA FCF 12Entry Point to the Distribution System (EP)

Helix Intertie
Surface Water (SW)

Helix FCF 14 (sampled @ Regulatory WTS)Entry Point to the Distribution System (EP)

Otay Water District
Surface Water (SW)

3057 MILLAR RANCH ROADDistribution System (DS)
1606 FUERTE HILLS ROADDistribution System (DS)
14622 LYONS VALLEY ROADDistribution System (DS)
1840 SANYO AVENUEDistribution System (DS)
566 AGUA VISTA DRIVEDistribution System (DS)
1230 VIA ESCALANTEDistribution System (DS)
1547 MELROSE AVENUEDistribution System (DS)
JONEL WAY AND SPEYERS WAYDistribution System (DS)

Distribution System
Surface Water (SW)

Melrose Ave.-SDCWA MRMaximum Residence Time (MR)
Lyons Valley Rd.-Helix MRMaximum Residence Time (MR)

FAQ

Is Otay Water District tap water safe to drink?

When was Otay Water District last tested for water contamination?

The latest water samples were taken on April 9th, 2024.