Walnut Valley Water District (CA) Water Quality

Walnut Valley Water District is a large public water system in EPA region 9 that provides tap water for the 91723, 91765 zip codes. It has 3 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 1-butanol was 2.3 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 31.94 µg/L. The maximum reported level of Manganese was 2.8 µg/L. There were 3 contamintants found in the Walnut Valley 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 (12)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (8)

chromium (12)

chromium-6 (12)

cobalt (12)

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 (12)

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 (12)

tebuconazole (8)

testosterone (8)

total microcystins (16)

Total Permethrin (8)

tribufos (8)

vanadium (12)

Sampling Facilities

MWD Intertie
Surface Water (SW)

Badillo/Grand MWDEntry Point to the Distribution System (EP)

Three Valleys MWD
Surface Water (SW)

5th & C StreetEntry Point to the Distribution System (EP)

Walnut Valley Water District
Surface Water (SW)

23844 Falcons ViewDistribution System (DS)
810 Silver FirDistribution System (DS)
19704 CastlebarDistribution System (DS)
22562 Birdseye Dr.Distribution System (DS)
23551 Jubilee Ln.Distribution System (DS)
20444 San Gabriel Valley Dr.Distribution System (DS)
20426 Loyalton Dr.Distribution System (DS)
24301 Delta Dr.Distribution System (DS)

FAQ

Is Walnut Valley Water District tap water safe to drink?

When was Walnut Valley Water District last tested for water contamination?

The latest water samples were taken on November 19th, 2024.