San Jose Water Company (CA) Water Quality

San Jose Water Company is a large public water system in EPA region 9 that provides tap water for the 95008, 95030, 95033, 95070, 95111 - 95113, 95117, 95118, 95121 - 95133, 95148 zip codes. It has 60 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 32.94 µg/L. The maximum reported level of Manganese was 22 µg/L. There were 2 contamintants found in the San Jose Water Company water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (43)

1,2,3-trichloropropane (43)

1,3-butadiene (43)

1,4-dioxane (43)

1-butanol (40)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (37)

17-alpha-ethynylestradiol (43)

17-beta-estradiol (43)

1H,1H,2H,2H-perfluorodecane sulfonic acid (37)

1H,1H,2H,2H-perfluorohexane sulfonic acid (37)

1H,1H,2H,2H-perfluorooctane sulfonic acid (37)

2,4-dinitrotoluene (14)

2,6-dinitrotoluene (14)

2-methoxyethanol (40)

2-propen-1-ol (Allyl Alcohol) (40)

4,4'-dichloro dichlorophenyl ethylene (DDE) (14)

4,8-dioxa-3H-perfluorononanoic acid (37)

4-androstene-3,17-dione (43)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (37)

alpha-hexachlorocyclohexane (44)

anatoxin-a (40)

bromochloromethane (Halon 1011) (43)

bromomethane (43)

Butylated Hydroxyanisole (43)

chlorate (61)

chlorodifluoromethane (HCFC-22) (43)

chloromethane (43)

chlorpyrifos (44)

chromium (61)

chromium-6 (61)

cobalt (61)

cylindrospermopsin (40)

dimethipin (44)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (14)

equilin (43)

estriol (43)

estrone (43)

ethoprop (44)

Germanium (45)

HAA5 (five regulated haloacetic acids) (50)

HAA6Br (six brominated haloacetic acids) (50)

HAA9 (nine haloacetic acids) (50)

hexafluoropropylene oxide dimer acid (GenX) (37)

lithium (41)

Manganese (45)

methyl-tertiary-butyl-ether (MTBE) (14)

molinate (14)

molybdenum (61)

N-ethyl perfluorooctanesulfonamidoacetic acid (40)

N-methyl perfluorooctanesulfonamidoacetic acid (40)

nitrobenzene (14)

nonafluoro-3,6-dioxaheptanoic acid (37)

o-toluidine (43)

oxyfluorfen (44)

perchlorate (14)

perfluoro(2-ethoxyethane)sulfonic acid (37)

perfluoro-3-methoxypropanoic acid (37)

perfluoro-4-methoxybutanoic acid (37)

perfluorobutanesulfonic acid (80)

perfluorobutanoic acid (37)

perfluorodecanoic acid (37)

perfluorododecanoic acid (37)

perfluoroheptanesulfonic acid (37)

perfluoroheptanoic acid (80)

perfluorohexanesulfonic acid (79)

perfluorohexanoic acid (37)

perfluorononanoic acid (80)

perfluorooctanesulfonic acid (80)

perfluorooctanoic acid (80)

perfluoropentanesulfonic acid (37)

perfluoropentanoic acid (37)

perfluorotetradecanoic acid (40)

perfluorotridecanoic acid (40)

perfluoroundecanoic acid (37)

profenofos (44)

quinoline (43)

s-ethyl-dipropylthiocarbamate (EPTC) (14)

strontium (61)

tebuconazole (44)

terbacil (14)

testosterone (43)

total microcystins (35)

Total Permethrin (44)

tribufos (44)

vanadium (61)

Sampling Facilities

Montevina WTP - Treated
Surface Water (SW)

Montevina Clearwell 1Entry Point to the Distribution System (EP)

SCVWD - Alum Rock Connection
Surface Water (SW)

Alum Rock TurnoutEntry Point to the Distribution System (EP)

SCVWD - Cox Connection
Surface Water (SW)

Cox TurnoutEntry Point to the Distribution System (EP)

SCVWD - Graystone Connection
Surface Water (SW)

Graystone TurnoutEntry Point to the Distribution System (EP)

Bascom Chlorination Station
Ground Water (GW)

Bascom Chlorinated SampleEntry Point to the Distribution System (EP)

Breeding Chlorination Station
Ground Water (GW)

Breeding Chlorinated SampleEntry Point to the Distribution System (EP)

Buena Vista Chlorination Station
Ground Water (GW)

Buena Vista Chlorinated SampleEntry Point to the Distribution System (EP)

Cottage Grove Chlorination Station
Ground Water (GW)

Cottage Grove Chlorinated SampleEntry Point to the Distribution System (EP)

Meridian Chlorination Station
Ground Water (GW)

Meridian Chlorinated SampleEntry Point to the Distribution System (EP)

17th St. Chlorination Station
Ground Water (GW)

17th St. Chlorinated SampleEntry Point to the Distribution System (EP)

Tully Chlorination Station
Ground Water (GW)

Tully Chlorinated SampleEntry Point to the Distribution System (EP)

12th St. Chlorination Station
Ground Water (GW)

12th St. Chlorinated SampleEntry Point to the Distribution System (EP)

Williams Chlorination Station
Ground Water (GW)

Williams Chlorinated SampleEntry Point to the Distribution System (EP)

Will Wool Chlorination Station
Ground Water (GW)

Will Wool Chlorinated SampleEntry Point to the Distribution System (EP)

Three Mile Chlorination Station
Ground Water (GW)

Three Mile Chlorinated SampleEntry Point to the Distribution System (EP)

Gish Well Chlorination Station
Ground Water (GW)

Gish Chlorinated SampleEntry Point to the Distribution System (EP)

Needles Well Chlorination Station
Ground Water (GW)

Needles Chlorinated SampleEntry Point to the Distribution System (EP)

Senter Well Chlorination Station
Ground Water (GW)

Senter Chlorinated SampleEntry Point to the Distribution System (EP)

McLaughlin Chlorination Station
Ground Water (GW)

McLaughlin Chlorinated SampleEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

Montevina Clearwell 1Distribution System (DS)
RM51 - 21715 Virdelle Dr.Distribution System (DS)
SP1 - Bearcreek Rd and Montevina Rd.Distribution System (DS)
SP100 - 207 Scenic Vista Dr.Distribution System (DS)
SP110 - 55 HernandezDistribution System (DS)
SP121 - 3638 Sweigert Rd.Distribution System (DS)
SP123 - 15209 Blue Gum Ct.Distribution System (DS)
SP13 - 1912-1918 Camden Ave.Distribution System (DS)
SP17 - 14000 Pike Rd.Distribution System (DS)
SP26 - Central Ave. Station x Oak HillDistribution System (DS)
SP42 - 3480 Chapala Dr.Distribution System (DS)
SP45 - 3561 Chablis Cir.Distribution System (DS)
SP54 - 16575 Shannon Rd.Distribution System (DS)
SP86 - 3704 Tigara Ct.Distribution System (DS)

Saratoga Water TP
Surface Water (SW)

Saratoga EffluentEntry Point to the Distribution System (EP)

Willow Glen Chlorination Station
Ground Water (GW)

Willow Glen Chlorinated SampleEntry Point to the Distribution System (EP)

Grant Chlorination Station
Ground Water (GW)

Grant Chlorinated SampleEntry Point to the Distribution System (EP)

Malone Well Chlorination Station
Ground Water (GW)

Malone Chlorinated SampleEntry Point to the Distribution System (EP)

Meridian Station
Ground Water (GW)

Meridian WellfieldEntry Point to the Distribution System (EP)

Twelfth St. Station
Ground Water (GW)

Twelfth St. WellfieldEntry Point to the Distribution System (EP)

Williams Station
Ground Water (GW)

Williams WellfieldEntry Point to the Distribution System (EP)

Rainbow Turnout
Surface Water (SW)

Rinconada WTP - Rainbown TurnoutEntry Point to the Distribution System (EP)

Skyway Turnout
Surface Water (SW)

Santa Teresa WTP - Skyway TurnoutEntry Point to the Distribution System (EP)

Will Wool Station
Ground Water (GW)

Will Wool WellfieldEntry Point to the Distribution System (EP)

Berryessa Wellfield
Ground Water (GW)

Berryessa WellfieldEntry Point to the Distribution System (EP)

Branham Wellfield
Ground Water (GW)

Branham WellfieldEntry Point to the Distribution System (EP)

Home Street Wellfield
Ground Water (GW)

Home Street WellfieldEntry Point to the Distribution System (EP)

Malone Wellfield
Ground Water (GW)

Malone WellfieldEntry Point to the Distribution System (EP)

Three Mile Wellfield
Ground Water (GW)

Three Mile WellfieldEntry Point to the Distribution System (EP)

Hostetter Turnout
Surface Water (SW)

Penitencia Turnout HostetterEntry Point to the Distribution System (EP)

Distribution Systems (Saratoga WTP MRT)
Surface Water (SW)

SS4 Saratoga WTPMaximum Residence Time (MR)

Distribution System (Montevina WTP MRT)
Surface Water (SW)

SM4 Shannon Rd. Sample #54Maximum Residence Time (MR)

Distribution System (Santa Teresa WTP MRT)
Multiple Sources (MX)

ST4 Almaden Rd. Sample #75Maximum Residence Time (MR)

Distribution System (Rinconada WTP MRT)
Multiple Sources (MX)

SR3 Stonebridge Sample #135Maximum Residence Time (MR)

Distribution System (Penitencia WTP MRT)
Multiple Sources (MX)

SP4 Birchwood Sample #16Maximum Residence Time (MR)

Distribution System (Groundwater MRT)
Ground Water (GW)

SC4 Park Ave. Sample #36Maximum Residence Time (MR)

Ocala Turnout
Surface Water (SW)

Penitencia WTP - Ocala TurnoutEntry Point to the Distribution System (EP)

Congress Turnout
Surface Water (SW)

Rinconada WTP - Congress TurnoutEntry Point to the Distribution System (EP)

Dutard Turnout
Surface Water (SW)

Penitencia WTP - Dutard TurnoutEntry Point to the Distribution System (EP)

Mabury Turnout
Surface Water (SW)

Penitencia WTP - Mabury TurnoutEntry Point to the Distribution System (EP)

Campbell Turnout
Surface Water (SW)

Rinconada WTP - CampbellEntry Point to the Distribution System (EP)

Pinos Turnout
Surface Water (SW)

Santa Teresa WTP - Pinos TurnoutEntry Point to the Distribution System (EP)

Cropley Wellfield
Ground Water (GW)

Cropley WellfieldEntry Point to the Distribution System (EP)

Greystone Turnout
Surface Water (SW)

Santa Teresa Turnout GreystoneEntry Point to the Distribution System (EP)

More Turnout
Surface Water (SW)

Rinconada Turnout MoreEntry Point to the Distribution System (EP)

Cox Turnout
Surface Water (SW)

Cox Turnout - RinconadaEntry Point to the Distribution System (EP)

DELMAS WELL 02
Ground Water (GW)

DELMAS WELL 02 07S/01E-18A02SR (SR)

MONTEVENIA WTP - TREATED
Surface Water (SW)

MONTEVENIA WTP - TR E43/011-MONTEEntry Point to the Distribution System (EP)

SARATOGA WTP - TREATED
Surface Water (SW)

SARATOGA WTP - TREA E43/011-SARATEntry Point to the Distribution System (EP)

THREE MILE WELL 02
Ground Water (GW)

THREE MILE WELL 02 07S/01W-23R02SR (SR)

THREE MILE WELL 07
Ground Water (GW)

THREE MILE WELL 07 07S/01W-23R07SR (SR)

TWELFTH ST. WELL 13
Ground Water (GW)

TWELFTH ST. WELL 13 07S/01E-16F10SR (SR)

GRANT WELL 02
Ground Water (GW)

GRANT WELL 02 07S/01E-17L02SR (SR)

()

LD (LD)
MD (MD)
Maximum Residence Time (MR)

FAQ

Is San Jose Water Company tap water safe to drink?

When was San Jose Water Company last tested for water contamination?

The latest water samples were taken on February 11th, 2025.