City of Stockton (CA) Water Quality

City of Stockton is a large public water system in EPA region 9 that provides tap water for the 95205 - 95207, 95210, 95215, 95231 zip codes. It has 69 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 54.2 µg/L. The maximum reported level of Manganese was 77 µg/L. There were 2 contamintants found in the City of Stockton water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (39)

1,2,3-trichloropropane (39)

1,3-butadiene (39)

1,4-dioxane (39)

1-butanol (34)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (32)

17-alpha-ethynylestradiol (39)

17-beta-estradiol (39)

1H,1H,2H,2H-perfluorodecane sulfonic acid (32)

1H,1H,2H,2H-perfluorohexane sulfonic acid (32)

1H,1H,2H,2H-perfluorooctane sulfonic acid (32)

2,4-dinitrotoluene (65)

2,6-dinitrotoluene (65)

2-methoxyethanol (34)

2-propen-1-ol (Allyl Alcohol) (34)

4,4'-dichloro dichlorophenyl ethylene (DDE) (65)

4,8-dioxa-3H-perfluorononanoic acid (32)

4-androstene-3,17-dione (39)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (32)

alpha-hexachlorocyclohexane (34)

anatoxin-a (16)

bromochloromethane (Halon 1011) (39)

bromomethane (39)

Butylated Hydroxyanisole (34)

chlorate (47)

chlorodifluoromethane (HCFC-22) (39)

chloromethane (39)

chlorpyrifos (34)

chromium (47)

chromium-6 (47)

cobalt (47)

cylindrospermopsin (16)

dimethipin (34)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (65)

equilin (39)

estriol (39)

estrone (39)

ethoprop (34)

Germanium (34)

HAA5 (five regulated haloacetic acids) (76)

HAA6Br (six brominated haloacetic acids) (76)

HAA9 (nine haloacetic acids) (76)

hexafluoropropylene oxide dimer acid (GenX) (32)

lithium (32)

Manganese (34)

methyl-tertiary-butyl-ether (MTBE) (65)

molinate (65)

molybdenum (47)

N-ethyl perfluorooctanesulfonamidoacetic acid (32)

N-methyl perfluorooctanesulfonamidoacetic acid (32)

nitrobenzene (65)

nonafluoro-3,6-dioxaheptanoic acid (32)

o-toluidine (34)

oxyfluorfen (34)

perchlorate (156)

perfluoro(2-ethoxyethane)sulfonic acid (32)

perfluoro-3-methoxypropanoic acid (32)

perfluoro-4-methoxybutanoic acid (32)

perfluorobutanesulfonic acid (71)

perfluorobutanoic acid (32)

perfluorodecanoic acid (32)

perfluorododecanoic acid (32)

perfluoroheptanesulfonic acid (32)

perfluoroheptanoic acid (71)

perfluorohexanesulfonic acid (71)

perfluorohexanoic acid (32)

perfluorononanoic acid (71)

perfluorooctanesulfonic acid (71)

perfluorooctanoic acid (71)

perfluoropentanesulfonic acid (32)

perfluoropentanoic acid (32)

perfluorotetradecanoic acid (32)

perfluorotridecanoic acid (32)

perfluoroundecanoic acid (32)

profenofos (34)

quinoline (34)

s-ethyl-dipropylthiocarbamate (EPTC) (65)

strontium (47)

tebuconazole (34)

terbacil (65)

testosterone (39)

total microcystins (16)

Total Permethrin (34)

tribufos (34)

vanadium (47)

Sampling Facilities

SEWD Intertie
Surface Water (SW)

EP-26 4512 FrontierEntry Point to the Distribution System (EP)

Cal Water Intertie
Ground Water (GW)

EP-25 303 Olympic CircleEntry Point to the Distribution System (EP)

Delta Water Supply Plant
Surface Water (SW)

EP-24 Finished WaterEntry Point to the Distribution System (EP)

Well 27
Ground Water (GW)

EP-08 Well 27 TreatedEntry Point to the Distribution System (EP)
EP #82: Well 27 TreatedEntry Point to the Distribution System (EP)

Well 21
Ground Water (GW)

EP-06 Well 21 TreatedEntry Point to the Distribution System (EP)

Well 19
Ground Water (GW)

EP-04 Well 19 TreatedEntry Point to the Distribution System (EP)

Well 18
Ground Water (GW)

EP-03 Well 18 TreatedEntry Point to the Distribution System (EP)

Well 32
Ground Water (GW)

EP-13 Well 32 TreatedEntry Point to the Distribution System (EP)

Well 31
Ground Water (GW)

EP-12 Well 31 TreatedEntry Point to the Distribution System (EP)

Well SSS9
Ground Water (GW)

EP-23 Well SSS9 TreatedEntry Point to the Distribution System (EP)

Well 29
Ground Water (GW)

EP-10 Well 29 TreatedEntry Point to the Distribution System (EP)

Well SSS3
Ground Water (GW)

EP-21 Well SSS3 TreatedEntry Point to the Distribution System (EP)

Well 3R
Ground Water (GW)

EP-01 Well 3R TreatedEntry Point to the Distribution System (EP)

Well 10-R
Ground Water (GW)

EP-02 Well 10R TreatedEntry Point to the Distribution System (EP)

Well 30
Ground Water (GW)

EP-11 Well 30 TreatedEntry Point to the Distribution System (EP)

Well 28
Ground Water (GW)

EP-09 Well 28 TreatedEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

ND-2 3131 Auto Center CirDistribution System (DS)
ND-4 9498 Glacier Point DrDistribution System (DS)
ND-9 142 Marilyn AveDistribution System (DS)
ND-10 8420 Galloway Ct BDistribution System (DS)
ND-12 1415 Chelsea WayDistribution System (DS)
ND-16 10481 River Oaks DrDistribution System (DS)
ND-18 5703 Westchester CirDistribution System (DS)
ND-20 3102 Valley Forge DrDistribution System (DS)
ND-21 7339 Parkwoods DrDistribution System (DS)
ND-25 5376 Feather River DrDistribution System (DS)
ND-27 4046 Pine Lake CirDistribution System (DS)
ND-29 2161 Canyon Creek CirDistribution System (DS)
ND-30 5151 Pacific AveDistribution System (DS)
SD-4 500 W Hospital RdDistribution System (DS)
SD-5 1976 Universal LaneDistribution System (DS)
SD-6 3350 Nautical CtDistribution System (DS)
WD-1 1050 Diamond StDistribution System (DS)
Res-2 NW ReservoirDistribution System (DS)
Res-3 Weston Ranch ReservoirDistribution System (DS)

Well 20
Ground Water (GW)

EP #75: Well 20 TreatedEntry Point to the Distribution System (EP)

Well SSS2
Ground Water (GW)

EP #51: Well SSS2 TreatedEntry Point to the Distribution System (EP)

Distribution System - North
Multiple Sources (MX)

9205 Twin Brooks LaneMaximum Residence Time (MR)

Distribution System - South
Multiple Sources (MX)

3350 Nautical CourtMaximum Residence Time (MR)

EP- #081 WELL 26 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

EP- #079 WELL 24 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

EP- #065 WELL 07 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

EP- #090 WELL SSS8 - TREATED
Ground Water (GW)

add ucmr sample point nameEntry Point to the Distribution System (EP)

01 SSS
Ground Water (GW)

01 SSS 01N/07E-29A01SR (SR)

02 SSS
Ground Water (GW)

02 SSS 01N/07E-29A02SR (SR)

04 SSS
Ground Water (GW)

04 SSS 01N/07E-31F01SR (SR)

05 SSS
Ground Water (GW)

05 SSS 01N/07E-31C01SR (SR)

WALNUT PLANT 01
Ground Water (GW)

WALNUT PLANT 01 01N/07E-07F01SR (SR)

WALNUT PLANT 02
Ground Water (GW)

WALNUT PLANT 02 01N/06E-12H01SR (SR)

WALNUT PLANT 03
Ground Water (GW)

WALNUT PLANT 03 01N/07E-07M02SR (SR)

WELL 01 - PARK WOODS
Ground Water (GW)

WELL 01 - PARK WOOD 02N/06E-17J01SR (SR)

WELL 04 - VILLA DORADO
Ground Water (GW)

WELL 04 - VILLA DOR 02N/06E-15M01SR (SR)

WELL 05 - ANDERSON PARK
Ground Water (GW)

WELL 05 - ANDERSON 02N/06E-22D01SR (SR)

WELL 07 - LOCH LOMOND
Ground Water (GW)

WELL 07 - LOCH LOMO 02N/06E-16B01SR (SR)

WELL 09 - SAN RAMON TERRACE
Ground Water (GW)

WELL 09 - SAN RAMON 02N/06E-09J01SR (SR)

WELL 10 - LINCOLN VILLAGE WEST
Ground Water (GW)

WELL 10 - LINCOLN V 02N/06E-20M02SR (SR)

WELL 11 - PACIFIC OAKS
Ground Water (GW)

WELL 11 - PACIFIC O 02N/06E-16Q01SR (SR)
WELL 11 - PACIFIC OAKS 02N/06E-16Q01SR (SR)

WELL 12 - PACIFIC OAKS AT LESLIE
Ground Water (GW)

WELL 12 - PACIFIC O 02N/06E-16R01SR (SR)

WELL 13 - TIFFANY
Ground Water (GW)

WELL 13 - TIFFANY 02N/06E-15F01SR (SR)

WELL 15 - GLASGOW
Ground Water (GW)

WELL 15 - GLASGOW 02N/06E-15D01SR (SR)

WELL 16 - ROYAL OAKS
Ground Water (GW)

WELL 16 - ROYAL OAK 02N/06E-09F01SR (SR)

WELL 18 - HICOCK
Ground Water (GW)

WELL 18 - HICOCK 02N/06E-08A02SR (SR)

WELL 19 - WEST LANE
Ground Water (GW)

WELL 19 - WEST LANE 02N/06E-10J03SR (SR)

WELL 20 - WEST LANE-MOSHER
Ground Water (GW)

WELL 20 - WEST LANE 02N/06E-15A01SR (SR)

WELL 21 - CORTEZ PARK
Ground Water (GW)

WELL 21 - CORTEZ PA 02N/06E-15B01SR (SR)

WELL 22 - SWAIN
Ground Water (GW)

WELL 22 - SWAIN 02N/06E-22H01SR (SR)

WELL 23 - OTTO
Ground Water (GW)

WELL 23 - OTTO 02N/06E-08C02SR (SR)

WELL 24 - SAFFRON COURT
Ground Water (GW)

WELL 24 - SAFFRON C 02N/06E-11H03SR (SR)

WELL 25 - PANELLA PARK
Ground Water (GW)

WELL 25 - PANELLA P 02N/06E-23A01SR (SR)

WELL 26
Ground Water (GW)

WELL 26 3910012-045SR (SR)

WELL 27
Ground Water (GW)

WELL 27 3910012-046SR (SR)

WELL SSS2 - TREATED
Ground Water (GW)

WELL SSS2 - TREATED J39/012-SSS2TEntry Point to the Distribution System (EP)

WELL SSS4 - TREATED
Ground Water (GW)

WELL SSS4 - TREATED J39/012-SSS4TEntry Point to the Distribution System (EP)

WELL SSS5 - TREATED
Ground Water (GW)

WELL SSS5 - TREATED J39/012-SSS5TEntry Point to the Distribution System (EP)

WELL 07 - TREATED
Ground Water (GW)

WELL 07 - TREATED J39/012-07TRTEntry Point to the Distribution System (EP)

WELL 09 - TREATED
Ground Water (GW)

WELL 09 - TREATED J39/012-09TRTEntry Point to the Distribution System (EP)

WELL 13 - TREATED
Ground Water (GW)

WELL 13 - TREATED J39/012-13TRTEntry Point to the Distribution System (EP)

WELL 19 - TREATED
Ground Water (GW)

WELL 19 - TREATED J39/012-19TRTEntry Point to the Distribution System (EP)

WELL 20 - TREATED
Ground Water (GW)

WELL 20 - TREATED J39/012-20TRTEntry Point to the Distribution System (EP)

WELL 21 - TREATED
Ground Water (GW)

WELL 21 - TREATED J39/012-21TRTEntry Point to the Distribution System (EP)

WELL 24 - TREATED
Ground Water (GW)

WELL 24 - TREATED J39/012-24TRTEntry Point to the Distribution System (EP)

WELL 03 SSS
Ground Water (GW)

WELL 03 SSS J39/012-SSS3SR (SR)

08 SSS
Ground Water (GW)

WELL 08 SSS 3910012-SSS8RAWSR (SR)

WELL 28
Ground Water (GW)

WELL 28 3910012-084SR (SR)

WELL 29
Ground Water (GW)

WELL 29 3910012-087029RSR (SR)

WELL 28 - TREATED
Ground Water (GW)

WELL 28 - TREATED 3910012-085028TEntry Point to the Distribution System (EP)

WELL SSS3 - TREATED
Ground Water (GW)

WELL SSS3 - TREATED 3910012-086Entry Point to the Distribution System (EP)

FAQ

Is City of Stockton tap water safe to drink?

When was City of Stockton last tested for water contamination?

The latest water samples were taken on August 6th, 2024.