Sweetwater Authority (CA) Water Quality

Sweetwater Authority is a large public water system in EPA region 9 that provides tap water for the 91902, 91911, 92154 zip codes. It has 26 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 38.2 µg/L. The maximum reported level of Manganese was 10 µg/L. There were 2 contamintants found in the Sweetwater Authority water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (8)

1,2,3-trichloropropane (8)

1,3-butadiene (8)

1,4-dioxane (8)

1-butanol (8)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

17-alpha-ethynylestradiol (8)

17-beta-estradiol (8)

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

2,4-dinitrotoluene (18)

2,6-dinitrotoluene (18)

2-methoxyethanol (8)

2-propen-1-ol (Allyl Alcohol) (8)

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

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

4-androstene-3,17-dione (8)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

alpha-hexachlorocyclohexane (8)

anatoxin-a (8)

bromochloromethane (Halon 1011) (8)

bromomethane (8)

Butylated Hydroxyanisole (8)

chlorate (16)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (8)

chromium (16)

chromium-6 (16)

cobalt (16)

cylindrospermopsin (8)

dimethipin (8)

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

equilin (8)

estriol (8)

estrone (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (40)

HAA6Br (six brominated haloacetic acids) (40)

HAA9 (nine haloacetic acids) (40)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (8)

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

molinate (18)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nitrobenzene (18)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (8)

oxyfluorfen (8)

perchlorate (18)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (16)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (16)

perfluorohexanesulfonic acid (16)

perfluorohexanoic acid (8)

perfluorononanoic acid (16)

perfluorooctanesulfonic acid (16)

perfluorooctanoic acid (16)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (8)

quinoline (8)

s-ethyl-dipropylthiocarbamate (EPTC) (18)

strontium (16)

tebuconazole (8)

terbacil (18)

testosterone (8)

total microcystins (8)

Total Permethrin (8)

tribufos (8)

vanadium (16)

Sampling Facilities

Perdue WTP
Surface Water (SW)

EP #5 - Perdue WTP Clearwell EffluentEntry Point to the Distribution System (EP)

National City Wells Plant
Ground Water (GW)

EP #19 - National City Wells Plant EffluentEntry Point to the Distribution System (EP)

Wells A1-4, SDF1-6
Ground Water (GW)

EP #17 - Reynold's RO Plant EffluentEntry Point to the Distribution System (EP)

Distribution System - HAA
Multiple Sources (MX)

10916th StreetDistribution System (DS)

Distribution System - HAA
Multiple Sources (MX)

I Street & Woodlawn AveDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

368 Anita StreetDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

1515 Jasper AveDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

131 East Quintard StreetDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

Naples & MelroseDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

467 East Oxford StreetDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

Lynwood & Holly WayDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

943 Rawhide CourtDistribution System (DS)

Distribution System - HAA
Surface Water (SW)

5379 Carolyn Vista LaneDistribution System (DS)

Distribution System - SW
Surface Water (SW)

Naples & Melrose DSMRT (Perdue)Maximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

J Ave. DSMRT (NC Wells)Maximum Residence Time (MR)
Sea Vale DSMRT (RO Plant)Maximum Residence Time (MR)

MAX. RESIDENCE TIME-SITE 1 ANITA STREET
Surface Water (SW)

Anita Street DSMRT (Perdue Plant Treated Water)Maximum Residence Time (MR)

MAX. RESIDENCE TIME-SITE 2 "J" AVENUE
Ground Water (GW)

J Ave DSMRT (NC Wells Treated Water)Maximum Residence Time (MR)

MAX. RESIDENCE TIME-SITE 3 SEA VALE STREET
Ground Water (GW)

Sea Vale DSMRT (Reynold's RO Plant Treated Water)Maximum Residence Time (MR)

NATIONAL CITY WELL 02
Ground Water (GW)

NATIONAL CITY WELL 17S/02W-16Q03SR (SR)

NATIONAL CITY WELL 03
Ground Water (GW)

NATIONAL CITY WELL 17S/02W-16Q04SR (SR)

SWEETWATER LAKE - RAW
Ground Water (GW)

SWEETWATER LAKE - R 037/025-SWRAWSR (SR)

SDF 01
Ground Water (GW)

SDF 01 17S/02W-28R01SR (SR)

SDF 02
Ground Water (GW)

SDF 02 17S/02W-27N02SR (SR)

SDF 03
Ground Water (GW)

SDF 03 17S/02W-27P01SR (SR)

SDF 04
Ground Water (GW)

SDF 04 17S/02W-27P02SR (SR)

SDF 05
Ground Water (GW)

SDF 05 17S/02W-34C01SR (SR)

FAQ

Is Sweetwater Authority tap water safe to drink?

When was Sweetwater Authority last tested for water contamination?

The latest water samples were taken on April 23rd, 2025.