City of Tracy (CA) Water Quality

City of Tracy is a large public water system in EPA region 9 that provides tap water for the 95304 zip codes. It has 24 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 38 µg/L. The maximum reported level of Manganese was 70 µg/L. There were 2 contamintants found in the City of Tracy water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (17)

1,2,3-trichloropropane (17)

1,3-butadiene (17)

1,4-dioxane (17)

1-butanol (16)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (16)

1H,1H,2H,2H-perfluorodecane sulfonic acid (16)

1H,1H,2H,2H-perfluorohexane sulfonic acid (16)

1H,1H,2H,2H-perfluorooctane sulfonic acid (16)

2,4-dinitrotoluene (29)

2,6-dinitrotoluene (29)

2-methoxyethanol (16)

2-propen-1-ol (Allyl Alcohol) (16)

4,4'-dichloro dichlorophenyl ethylene (DDE) (29)

4,8-dioxa-3H-perfluorononanoic acid (16)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (16)

alpha-hexachlorocyclohexane (16)

anatoxin-a (16)

bromochloromethane (Halon 1011) (17)

bromomethane (17)

Butylated Hydroxyanisole (16)

chlorate (23)

chlorodifluoromethane (HCFC-22) (17)

chloromethane (17)

chlorpyrifos (16)

chromium (23)

chromium-6 (23)

cobalt (23)

cylindrospermopsin (16)

dimethipin (16)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (23)

ethoprop (16)

Germanium (16)

HAA5 (five regulated haloacetic acids) (24)

HAA6Br (six brominated haloacetic acids) (24)

HAA9 (nine haloacetic acids) (24)

hexafluoropropylene oxide dimer acid (GenX) (16)

lithium (16)

Manganese (16)

methyl-tertiary-butyl-ether (MTBE) (26)

molinate (29)

molybdenum (23)

N-ethyl perfluorooctanesulfonamidoacetic acid (16)

N-methyl perfluorooctanesulfonamidoacetic acid (16)

nitrobenzene (26)

nonafluoro-3,6-dioxaheptanoic acid (16)

o-toluidine (16)

oxyfluorfen (16)

perchlorate (26)

perfluoro(2-ethoxyethane)sulfonic acid (16)

perfluoro-3-methoxypropanoic acid (16)

perfluoro-4-methoxybutanoic acid (16)

perfluorobutanesulfonic acid (33)

perfluorobutanoic acid (16)

perfluorodecanoic acid (16)

perfluorododecanoic acid (16)

perfluoroheptanesulfonic acid (16)

perfluoroheptanoic acid (33)

perfluorohexanesulfonic acid (33)

perfluorohexanoic acid (16)

perfluorononanoic acid (33)

perfluorooctanesulfonic acid (33)

perfluorooctanoic acid (33)

perfluoropentanesulfonic acid (16)

perfluoropentanoic acid (16)

perfluorotetradecanoic acid (16)

perfluorotridecanoic acid (16)

perfluoroundecanoic acid (16)

profenofos (16)

quinoline (16)

s-ethyl-dipropylthiocarbamate (EPTC) (29)

strontium (23)

tebuconazole (16)

terbacil (29)

total microcystins (16)

Total Permethrin (16)

tribufos (16)

vanadium (23)

Sampling Facilities

Treatment Plant
Multiple Sources (MX)

EP #8 - Treatment Plant EffluentEntry Point to the Distribution System (EP)

Production Well 7
Ground Water (GW)

EP #35 - Production Well 7 TreatedEntry Point to the Distribution System (EP)

Production Well 6
Ground Water (GW)

EP #33 - Production Well 6 TreatedEntry Point to the Distribution System (EP)

Production Well 8
Ground Water (GW)

EP #37 - Production Well 8 TreatedEntry Point to the Distribution System (EP)

SSJID Linne Rd
Surface Water (SW)

EP #10 - SSJID Linne Rd TreatedEntry Point to the Distribution System (EP)

New Lincoln Park Well
Ground Water (GW)

EP #39 - New Lincoln Park Well TreatedEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

25224 Schulte Rd-DSDistribution System (DS)
1405 Suellen Dr-DSDistribution System (DS)
584 Pescadero Ave-DSDistribution System (DS)
1551 Dove Dr-DSDistribution System (DS)
238 Glenhaven Dr-DSDistribution System (DS)
1401 South Central Ave-DSDistribution System (DS)
2130 Robert Gabriel Dr-DSDistribution System (DS)
955 Crossroads Dr-DSDistribution System (DS)

Production Well 5
Ground Water (GW)

EP #31: Production Well 5 TreatedEntry Point to the Distribution System (EP)

Distribution System - SW
Multiple Sources (MX)

DSMRT for Treatment Plant and SSJIDMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Production Well 5, 6, 7, 8Maximum Residence Time (MR)

EP- #023 PRODUCTION WELL 04 - TREATED
Ground Water (GW)

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

EP- #022 PRODUCTION WELL 03 - TREATED
Ground Water (GW)

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

EP- #021 PRODUCTION WELL 02 - TREATED
Ground Water (GW)

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

PRODUCTION WELL 01 RAW
Ground Water (GW)

PRODUCTION WELL 01 03S/05E-08Q01SR (SR)

PRODUCTION WELL 02 RAW
Ground Water (GW)

PRODUCTION WELL 02 03S/05E-08Q02SR (SR)

PRODUCTION WELL 03 RAW
Ground Water (GW)

PRODUCTION WELL 03 03S/05E-08P01SR (SR)

PRODUCTION WELL 04 RAW
Ground Water (GW)

PRODUCTION WELL 04 03S/05E-08P02SR (SR)

TREATMENT PLANT EFFLUENT
Surface Water (SW)

TREATMENT PLANT EFF J39/011-TREATEntry Point to the Distribution System (EP)

WELL 02 - TIDEWATER
Ground Water (GW)

WELL 02 - TIDEWATER 02S/05E-28E01SR (SR)

NEW LINCOLN WELL RAW
Ground Water (GW)

WELL 04R - NEW LINC 3910011-018SR (SR)

DELTA MENDOTA CANAL SOURCE - RAW
Surface Water (SW)

DELTA MENDOTA CANAL 3910011-019SR (SR)

PRODUCTION WELL 05 RAW
Ground Water (GW)

PRODUCTION WELL 05 3910011-030SR (SR)

PRODUCTION WELL 06 RAW
Ground Water (GW)

PRODUCTION WELL 06 RAWSR (SR)

PRODUCTION WELL 07 RAW
Ground Water (GW)

PRODUCTION WELL 07 RAWSR (SR)

FAQ

Is City of Tracy tap water safe to drink?

When was City of Tracy last tested for water contamination?

The latest water samples were taken on April 9th, 2025.