City of Hemet (CA) Water Quality

City of Hemet is a large public water system in EPA region 9 that provides tap water for the 92543 - 92545 zip codes. It has 31 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 2.07 µg/L. The maximum reported level of Manganese was 8.1 µg/L. There were 2 contamintants found in the City of Hemet water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (11)

1,2,3-trichloropropane (11)

1,3-butadiene (11)

1,4-dioxane (11)

1-butanol (6)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (6)

1H,1H,2H,2H-perfluorodecane sulfonic acid (6)

1H,1H,2H,2H-perfluorohexane sulfonic acid (6)

1H,1H,2H,2H-perfluorooctane sulfonic acid (6)

2,4-dinitrotoluene (22)

2,6-dinitrotoluene (22)

2-methoxyethanol (6)

2-propen-1-ol (Allyl Alcohol) (6)

4,4'-dichloro dichlorophenyl ethylene (DDE) (22)

4,8-dioxa-3H-perfluorononanoic acid (6)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (6)

alpha-hexachlorocyclohexane (6)

bromochloromethane (Halon 1011) (11)

bromomethane (11)

Butylated Hydroxyanisole (5)

chlorate (22)

chlorodifluoromethane (HCFC-22) (11)

chloromethane (11)

chlorpyrifos (6)

chromium (22)

chromium-6 (22)

cobalt (22)

dimethipin (6)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (22)

ethoprop (6)

Germanium (6)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (6)

lithium (6)

Manganese (6)

methyl-tertiary-butyl-ether (MTBE) (22)

molinate (22)

molybdenum (22)

N-ethyl perfluorooctanesulfonamidoacetic acid (6)

N-methyl perfluorooctanesulfonamidoacetic acid (6)

nitrobenzene (22)

nonafluoro-3,6-dioxaheptanoic acid (6)

o-toluidine (5)

oxyfluorfen (6)

perchlorate (28)

perfluoro(2-ethoxyethane)sulfonic acid (6)

perfluoro-3-methoxypropanoic acid (6)

perfluoro-4-methoxybutanoic acid (6)

perfluorobutanesulfonic acid (17)

perfluorobutanoic acid (6)

perfluorodecanoic acid (6)

perfluorododecanoic acid (6)

perfluoroheptanesulfonic acid (6)

perfluoroheptanoic acid (17)

perfluorohexanesulfonic acid (17)

perfluorohexanoic acid (6)

perfluorononanoic acid (17)

perfluorooctanesulfonic acid (17)

perfluorooctanoic acid (17)

perfluoropentanesulfonic acid (6)

perfluoropentanoic acid (6)

perfluorotetradecanoic acid (6)

perfluorotridecanoic acid (6)

perfluoroundecanoic acid (6)

profenofos (6)

quinoline (5)

s-ethyl-dipropylthiocarbamate (EPTC) (22)

strontium (22)

tebuconazole (6)

terbacil (22)

Total Permethrin (6)

tribufos (6)

vanadium (22)

Sampling Facilities

Well 12
Ground Water (GW)

WELL 12 POST TREATMENTEntry Point to the Distribution System (EP)

Well 2-A
Ground Water (GW)

WELL 2A POST TREATMENTEntry Point to the Distribution System (EP)

Well 10A
Ground Water (GW)

WELL 10A POST TREATMENTEntry Point to the Distribution System (EP)

SAMPLE STATION BB
Ground Water (GW)

SAMPLE STATION BBDistribution System (DS)

SAMPLE STATION W
Ground Water (GW)

SAMPLE STATION WDistribution System (DS)

SAMPLE STATION F
Ground Water (GW)

SAMPLE STATION FDistribution System (DS)

SAMPLE STATION M
Ground Water (GW)

SAMPLE STATION MDistribution System (DS)

Well 15
Ground Water (GW)

WELL 15 POST TREATMENTEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

WELL 16 POST TREATMENTEntry Point to the Distribution System (EP)

Well 10
Ground Water (GW)

Discharge 10Entry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EPTDS from Well 14Entry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for Well 16Maximum Residence Time (MR)
DSMRT for Well 14Maximum Residence Time (MR)
DSMRT for Well 10Maximum Residence Time (MR)
DSMRT for Well 12Maximum Residence Time (MR)
DSMRT for Well 15Maximum Residence Time (MR)
DSMRT for Well 2-AMaximum Residence Time (MR)

EP- #019 WELL 01 AB - COMBINED TREATED
Ground Water (GW)

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

Well 4
Ground Water (GW)

PEntry Point to the Distribution System (EP)

Well 7
Ground Water (GW)

Discharge 7Entry Point to the Distribution System (EP)

Well 13
Ground Water (GW)

BV FlusherEntry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

PEntry Point to the Distribution System (EP)

WELL 01
Ground Water (GW)

WELL 01 05S/01W-10K01SR (SR)

WELL 02
Ground Water (GW)

WELL 02 05S/01W-10P01SR (SR)

WELL 03
Ground Water (GW)

WELL 03 05S/01W-22D02SR (SR)

WELL 04
Ground Water (GW)

WELL 04 05S/01W-22D03SR (SR)

WELL 06
Ground Water (GW)

WELL 06 05S/01W-01Q01SR (SR)

WELL 07
Ground Water (GW)

WELL 07 05S/01W-21C02SR (SR)

WELL 09
Ground Water (GW)

WELL 09 05S/01W-01P01SR (SR)

WELL 10
Ground Water (GW)

WELL 10 05S/01W-16L01SR (SR)

WELL 12
Ground Water (GW)

WELL 12 05S/01W-11A01SR (SR)

WELL 13
Ground Water (GW)

WELL 13 05S/01W-03K01SR (SR)

WELL 14
Ground Water (GW)

WELL 14 05S/01W-21A03SR (SR)

WELL # 15
Ground Water (GW)

WELL 15 5SOW-17J0025Entry Point to the Distribution System (EP)

WELL 12 AFTER TREATMENT STATION F
Ground Water (GW)

SAMPLE STATION FEntry Point to the Distribution System (EP)

WELL 04 AFTER TREATMENT STATION P
Ground Water (GW)

SAMPLE STATION PEntry Point to the Distribution System (EP)

FAQ

Is City of Hemet tap water safe to drink?

When was City of Hemet last tested for water contamination?

The latest water samples were taken on March 24th, 2025.