City of Atwater (CA) Water Quality

City of Atwater is a large public water system in EPA region 9 that provides tap water for the 95301 zip codes. It has 24 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 0.62 µg/L. The maximum reported level of Manganese was 20 µg/L. There were 2 contamintants found in the City of Atwater water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (18)

1,2,3-trichloropropane (18)

1,3-butadiene (18)

1,4-dioxane (18)

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 (18)

2,6-dinitrotoluene (18)

2-methoxyethanol (16)

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

4,4'-dichloro dichlorophenyl ethylene (DDE) (18)

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

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

alpha-hexachlorocyclohexane (16)

bromochloromethane (Halon 1011) (18)

bromomethane (18)

Butylated Hydroxyanisole (16)

chlorate (20)

chlorodifluoromethane (HCFC-22) (18)

chloromethane (18)

chlorpyrifos (16)

chromium (19)

chromium-6 (20)

cobalt (19)

dimethipin (16)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (18)

ethoprop (16)

Germanium (16)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (16)

lithium (16)

Manganese (16)

methyl-tertiary-butyl-ether (MTBE) (18)

molinate (18)

molybdenum (19)

N-ethyl perfluorooctanesulfonamidoacetic acid (16)

N-methyl perfluorooctanesulfonamidoacetic acid (16)

nitrobenzene (18)

nonafluoro-3,6-dioxaheptanoic acid (16)

o-toluidine (16)

oxyfluorfen (16)

perchlorate (18)

perfluoro(2-ethoxyethane)sulfonic acid (16)

perfluoro-3-methoxypropanoic acid (16)

perfluoro-4-methoxybutanoic acid (16)

perfluorobutanesulfonic acid (34)

perfluorobutanoic acid (16)

perfluorodecanoic acid (16)

perfluorododecanoic acid (16)

perfluoroheptanesulfonic acid (16)

perfluoroheptanoic acid (34)

perfluorohexanesulfonic acid (34)

perfluorohexanoic acid (16)

perfluorononanoic acid (34)

perfluorooctanesulfonic acid (34)

perfluorooctanoic acid (34)

perfluoropentanesulfonic acid (16)

perfluoropentanoic acid (16)

perfluorotetradecanoic acid (16)

perfluorotridecanoic acid (16)

perfluoroundecanoic acid (16)

profenofos (16)

quinoline (16)

s-ethyl-dipropylthiocarbamate (EPTC) (18)

strontium (19)

tebuconazole (16)

terbacil (18)

Total Permethrin (16)

tribufos (16)

vanadium (19)

Sampling Facilities

Well 21
Ground Water (GW)

EP #32 - Well 21 TreatedEntry Point to the Distribution System (EP)

Well 19
Ground Water (GW)

EP #30 - Well 19 TreatedEntry Point to the Distribution System (EP)

Well 18
Ground Water (GW)

EP #29 - Well 18 TreatedEntry Point to the Distribution System (EP)

Well 17
Ground Water (GW)

EP #28 - Well 17 TreatedEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

EP #27 - Well 16 TreatedEntry Point to the Distribution System (EP)

Well 15
Ground Water (GW)

EP #26 - Well 15 TreatedEntry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EP #25 - Well 14 TreatedEntry Point to the Distribution System (EP)

Well 13
Ground Water (GW)

EP #24 - Well 13 TreatedEntry Point to the Distribution System (EP)

1678 Patriotic
Ground Water (GW)

1678 PatrioticDistribution System (DS)

1967 Bridlewood
Ground Water (GW)

1967 BridlewoodDistribution System (DS)

2792 Davey
Ground Water (GW)

2792 DaveyDistribution System (DS)

3030 Secretariat
Ground Water (GW)

3030 SecretariatDistribution System (DS)

Well 9
Ground Water (GW)

EP #23 - Well 9 TreatedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

Max. Res. Time in Dist. SystemMaximum Residence Time (MR)

EP- #031 WELL 20 - TREATMENT
Ground Water (GW)

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

WELL 06
Ground Water (GW)

WELL 06 07S/12E-01J01SR (SR)

WELL 09
Ground Water (GW)

WELL 09 06S/12E-35K01SR (SR)

WELL 13
Ground Water (GW)

WELL 13 06S/12E-36L01SR (SR)

WELL 14
Ground Water (GW)

WELL 14 07S/12E-02A01SR (SR)

WELL 16
Ground Water (GW)

WELL 16 07S/13E-06C02SR (SR)

WELL 17
Ground Water (GW)

WELL 17 07S/12E-01B01SR (SR)

WELL 18
Ground Water (GW)

WELL 18 07S/13E-06Q02SR (SR)

WELL 19
Ground Water (GW)

WELL 19 06S/13E-31M01SR (SR)

WELL 20
Ground Water (GW)

WELL 20 07S/13E-07K01SR (SR)

FAQ

Is City of Atwater tap water safe to drink?

When was City of Atwater last tested for water contamination?

The latest water samples were taken on May 7th, 2024.