Alameda County Water District (CA) Water Quality

Alameda County Water District is a large public water system in EPA region 9 that provides tap water for the 94536 - 94539, 94552, 94560 zip codes. It has 19 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 37 µg/L. The maximum reported level of Manganese was 8.9 µg/L. There were 2 contamintants found in the Alameda County Water District water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (15)

1,2,3-trichloropropane (15)

1,3-butadiene (15)

1,4-dioxane (15)

1-butanol (14)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (14)

17-alpha-ethynylestradiol (15)

17-beta-estradiol (15)

1H,1H,2H,2H-perfluorodecane sulfonic acid (14)

1H,1H,2H,2H-perfluorohexane sulfonic acid (14)

1H,1H,2H,2H-perfluorooctane sulfonic acid (14)

2,4-dinitrotoluene (25)

2,6-dinitrotoluene (25)

2-methoxyethanol (14)

2-propen-1-ol (Allyl Alcohol) (14)

4,4'-dichloro dichlorophenyl ethylene (DDE) (25)

4,8-dioxa-3H-perfluorononanoic acid (14)

4-androstene-3,17-dione (15)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (14)

alpha-hexachlorocyclohexane (14)

anatoxin-a (24)

bromochloromethane (Halon 1011) (15)

bromomethane (15)

Butylated Hydroxyanisole (14)

chlorate (26)

chlorodifluoromethane (HCFC-22) (15)

chloromethane (15)

chlorpyrifos (14)

chromium (26)

chromium-6 (26)

cobalt (26)

cylindrospermopsin (24)

dimethipin (14)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (25)

equilin (15)

estriol (15)

estrone (15)

ethoprop (14)

Germanium (14)

HAA5 (five regulated haloacetic acids) (46)

HAA6Br (six brominated haloacetic acids) (46)

HAA9 (nine haloacetic acids) (46)

hexafluoropropylene oxide dimer acid (GenX) (14)

lithium (14)

Manganese (14)

methyl-tertiary-butyl-ether (MTBE) (25)

molinate (25)

molybdenum (26)

N-ethyl perfluorooctanesulfonamidoacetic acid (14)

N-methyl perfluorooctanesulfonamidoacetic acid (14)

nitrobenzene (25)

nonafluoro-3,6-dioxaheptanoic acid (14)

o-toluidine (14)

oxyfluorfen (14)

perchlorate (25)

perfluoro(2-ethoxyethane)sulfonic acid (14)

perfluoro-3-methoxypropanoic acid (14)

perfluoro-4-methoxybutanoic acid (14)

perfluorobutanesulfonic acid (29)

perfluorobutanoic acid (14)

perfluorodecanoic acid (14)

perfluorododecanoic acid (14)

perfluoroheptanesulfonic acid (14)

perfluoroheptanoic acid (29)

perfluorohexanesulfonic acid (29)

perfluorohexanoic acid (14)

perfluorononanoic acid (29)

perfluorooctanesulfonic acid (29)

perfluorooctanoic acid (29)

perfluoropentanesulfonic acid (14)

perfluoropentanoic acid (14)

perfluorotetradecanoic acid (14)

perfluorotridecanoic acid (14)

perfluoroundecanoic acid (14)

profenofos (14)

quinoline (14)

s-ethyl-dipropylthiocarbamate (EPTC) (25)

strontium (26)

tebuconazole (14)

terbacil (25)

testosterone (15)

total microcystins (24)

Total Permethrin (14)

tribufos (14)

vanadium (26)

Sampling Facilities

SFPUC
Surface Water (SW)

EP #41 - ACWD-EP-SFEntry Point to the Distribution System (EP)

Desal. Facility
Ground Water (GW)

EP #53 - ACWD-EP-NDFEntry Point to the Distribution System (EP)

Water TP #2
Surface Water (SW)

EP #40 - ACWD-EP-WTP2Entry Point to the Distribution System (EP)

Blending Facility S1
Multiple Sources (MX)

EP #38 - ACWD-EP-BF-S1Entry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

K-08: 43360 Mission BlvdDistribution System (DS)
915 Mission Rd, FremontDistribution System (DS)
K-45: 830 Witherly LnDistribution System (DS)
K-25: 1701 Sioux CtDistribution System (DS)
K-35: 2261 Grapevine TerDistribution System (DS)
SF1: Blending FacilityDistribution System (DS)
K-17: 47818 Wabana StDistribution System (DS)
K-46R: Avalon/Santa MonDistribution System (DS)
K-44: 400 Pine StDistribution System (DS)
MSJ WTP DSMRT SP K-44Maximum Residence Time (MR)
WTP #2 DSMRT SP K-52Maximum Residence Time (MR)

Distribution System - Mixed
Multiple Sources (MX)

K-16: 4301 Bellencourt WayDistribution System (DS)
K-18: 220 D StDistribution System (DS)
BF/SFPUC DSMRT SP K-51Maximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

K-48: Christine/ZulmidaDistribution System (DS)
Desal. Facility DSMRT SP K-47Maximum Residence Time (MR)

MSJ WTP
Surface Water (SW)

EP #15: ACWD-EP-WTP1Entry Point to the Distribution System (EP)

MSJWTP DSMRT SAMPLE POINT - K-17
Surface Water (SW)

ACWD-MR-WTP1Maximum Residence Time (MR)

BF DSMRT SAMPLE POINT - K-16
Multiple Sources (MX)

ACWD-MR-BF-S1Maximum Residence Time (MR)

WTP2 DSMRT SAMPLE POINT - K-06
Surface Water (SW)

ACWD-MR-WTP2Maximum Residence Time (MR)

SFPUC DSMRT SAMPLE POINT - NUMMI PLANT
Surface Water (SW)

ACWD-MR-SFMaximum Residence Time (MR)

DESAL FACILITY DSMRT SAMPLE POINT - K-47
Ground Water (GW)

ACWD-MR-NDFMaximum Residence Time (MR)

MSJ TP-TREATED-SOUTH BAY AQUEDUCT WATER
Surface Water (SW)

MSJ TP-TREATED-SOUT D01/001-MSJ-TSR (SR)

MSJ TP-TREATED-SOUTH BAY AQUEDUCT WATER
Surface Water (SW)

MSJ-TREATED-SOUTH D01/001-MSJ-TREntry Point to the Distribution System (EP)

BLENDING FACILITY S1 - TREATED
()

BLENDING FACILITY D01/001-BLND1Entry Point to the Distribution System (EP)

BLENDING FACILITY S3 - TREATED
()

BLENDING FACILITY S3 - TREATEDEntry Point to the Distribution System (EP)

WATER TREATMENT PLANT #2 - TREATED
Surface Water (SW)

WATER TREATMENT PLA D01/001-TP2-TEntry Point to the Distribution System (EP)

SF TURNOUT-BLENDING FACILITY (SF1) TRTD
Surface Water (SW)

SF TURNOUT-BLENDING D01/001-SF1UK (UK)

FAQ

Is Alameda County Water District tap water safe to drink?

When was Alameda County Water District last tested for water contamination?

The latest water samples were taken on October 22nd, 2024.