City of Los Angeles Dept. of Water & Power (CA) Water Quality

City of Los Angeles Dept. of Water & Power is a large public water system in EPA region 09 that provides tap water for the 90001 - 90008, 90011 - 90023, 90026 - 90042, 90045 - 90059, 90062 - 90066, 90069, 90075 - 90077, 90094 - 90272, 90291 - 90405, 90502, 90710 - 90822, 91040 - 91042, 91201 - 91662, 91781, 91803 zip codes. It has 7 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 10.699 µg/L. The maximum reported level of Manganese was 1.86 µg/L. There were 2 contamintants found in the City of Los Angeles Dept. of Water & Power water supply at levels that were above the minimum reporting level. 0 of the contaminants were above the reference level, which means they may pose a risk to human health.

Contaminants

1-butanol

2-methoxyethanol

2-propen-1-ol (Allyl Alcohol)

HAA5 (five regulated haloacetic acids)

HAA6Br (six brominated haloacetic acids)

HAA9 (nine haloacetic acids)

alpha-hexachlorocyclohexane

anatoxin-a

Butylated Hydroxyanisole

chlorpyrifos

cylindrospermopsin

dimethipin

ethoprop

Germanium

Manganese

o-toluidine

oxyfluorfen

profenofos

quinoline

tebuconazole

Total Microcystin

Total Permethrin

tribufos

Sampling Facilities

Los Angeles Aqueduct Filtration Plant (LAAFP)
Surface Water (SW)

BYPIN, EP #011 LAAFP Finished, 1910067-011EP

River Supply Conduit
Multiple sources (MX)

RSCBCL, EP #133 RSC Blend, 1910067-133EP

LA-17
Surface Water (SW)

EGLRK42A, EP #196 MWD LA-17, 1910067-196EP

LA-21
Surface Water (SW)

PVACM, EP #199 MWD LA-21, 1910067-199EP

Combined Tujunga Wells
Multiple sources (MX)

TJCNTRBY, EP #205 Tujunga Wells Blend, 1910067-205EP

Distribution System (MX)
Multiple sources (MX)

055ST, EP #800, RSC Blend, 1910067-800DS
AMESBURY, EP # 801, TJ Wells Blend, 1910067-801DS
DS013, EP # 806, RSC Blend, 1910067-806DS
DS124, EP #808, TJ Well Blend, 1910067-808,DS
LNDC1515, EP #812, TJ Wells Blend, 1910067-812DS

Distribution System (SW)
Surface Water (SW)

AVENUE53,EP # 802, MWD LA-17, 1910067-802DS
CHASTAIN, EP #803, LAAFP Finished, 1910067-803DS
CORDELIA, EP #804, LAAFP Finished, 1910067-804DS
CUMBRE, EP # 805, MWD LA-21, 1910067-805DS
DS066, EP# 807, LAAFP Finished, 1910067-807DS
EILAT, EP # 809, LAAFP Finished, 1910067-809DS
ESTEPA, EP #810, LAAFP Finished, 1910067-810DS
HARTZELL, EP #811, LAAFP Finished, 1910067-811DS
MTGATE, EP #813, LAAFP Finished, 1910067-813DS
NBEVGLEN, EP #814, LAAFP Finished, 1910067-814DS
QDRVCHIO, EP #815, LAAFP Finished, 1910067-815DS
VENICE, EP #816, LAAFP Finished, 1910067-816DS

FAQ

Is City of Los Angeles Dept. of Water & Power tap water safe to drink?

When was City of Los Angeles Dept. of Water & Power last tested for water contamination?

The latest water samples were taken between October 16th, 2018 and April 11th, 2019.