Lake Hemet Mun. Water District (CA) Water Quality

Lake Hemet Mun. Water District is a large public water system in EPA region 9 that provides tap water for the 92543, 92544 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 4.84 µg/L. The maximum reported level of Manganese was 5.9 µg/L. There were 2 contamintants found in the Lake Hemet Mun. Water District water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (25)

1,2,3-trichloropropane (25)

1,3-butadiene (25)

1,4-dioxane (25)

1-butanol (20)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (19)

1H,1H,2H,2H-perfluorodecane sulfonic acid (19)

1H,1H,2H,2H-perfluorohexane sulfonic acid (19)

1H,1H,2H,2H-perfluorooctane sulfonic acid (19)

2,4-dinitrotoluene (31)

2,6-dinitrotoluene (31)

2-methoxyethanol (20)

2-propen-1-ol (Allyl Alcohol) (20)

4,4'-dichloro dichlorophenyl ethylene (DDE) (32)

4,8-dioxa-3H-perfluorononanoic acid (19)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (19)

alpha-hexachlorocyclohexane (20)

bromochloromethane (Halon 1011) (25)

bromomethane (25)

Butylated Hydroxyanisole (20)

chlorate (33)

chlorodifluoromethane (HCFC-22) (25)

chloromethane (25)

chlorpyrifos (20)

chromium (33)

chromium-6 (33)

cobalt (33)

dimethipin (20)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (32)

ethoprop (20)

Germanium (20)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (19)

lithium (19)

Manganese (20)

methyl-tertiary-butyl-ether (MTBE) (32)

molinate (32)

molybdenum (33)

N-ethyl perfluorooctanesulfonamidoacetic acid (19)

N-methyl perfluorooctanesulfonamidoacetic acid (19)

nitrobenzene (32)

nonafluoro-3,6-dioxaheptanoic acid (19)

o-toluidine (20)

oxyfluorfen (20)

perchlorate (32)

perfluoro(2-ethoxyethane)sulfonic acid (19)

perfluoro-3-methoxypropanoic acid (19)

perfluoro-4-methoxybutanoic acid (19)

perfluorobutanesulfonic acid (44)

perfluorobutanoic acid (19)

perfluorodecanoic acid (19)

perfluorododecanoic acid (19)

perfluoroheptanesulfonic acid (19)

perfluoroheptanoic acid (44)

perfluorohexanesulfonic acid (44)

perfluorohexanoic acid (19)

perfluorononanoic acid (44)

perfluorooctanesulfonic acid (44)

perfluorooctanoic acid (44)

perfluoropentanesulfonic acid (19)

perfluoropentanoic acid (19)

perfluorotetradecanoic acid (19)

perfluorotridecanoic acid (19)

perfluoroundecanoic acid (19)

profenofos (20)

quinoline (20)

s-ethyl-dipropylthiocarbamate (EPTC) (32)

strontium (33)

tebuconazole (20)

terbacil (32)

Total Permethrin (20)

tribufos (20)

vanadium (33)

Sampling Facilities

Well 9
Ground Water (GW)

EP #48 - Well 9 TreatedEntry Point to the Distribution System (EP)

McMillan Well
Ground Water (GW)

EP #47 - McMillian Well TreatedEntry Point to the Distribution System (EP)

Webcor Well
Ground Water (GW)

EP #46 - Webcor Well TreatedEntry Point to the Distribution System (EP)

M&M Well
Ground Water (GW)

EP #44 - M&M Well TreatedEntry Point to the Distribution System (EP)

Well 2
Ground Water (GW)

EP #42 - Well 2 TreatedEntry Point to the Distribution System (EP)

Well 4
Ground Water (GW)

EP #41 - Well 4 TreatedEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

EP #40 - Well 16 TreatedEntry Point to the Distribution System (EP)

Well 10
Ground Water (GW)

EP #39 - Well 10 TreatedEntry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EP #38 - Well 14 TreatedEntry Point to the Distribution System (EP)

Mountain Well
Ground Water (GW)

Mountain Well TreatedEntry Point to the Distribution System (EP)
sample station 110Distribution System (DS)

WLB Well
Ground Water (GW)

EP #2 - Bill Cor Well TreatedEntry Point to the Distribution System (EP)

DBPR 102A
Ground Water (GW)

sample station 102ADistribution System (DS)

Well 11
Ground Water (GW)

EP #49 - Well 11 TreatedEntry Point to the Distribution System (EP)

Well 15
Ground Water (GW)

EP #45 - Well 15 TreatedEntry Point to the Distribution System (EP)

Well 1A
Ground Water (GW)

EP #43 - Well 1A TreatedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for 4 WellsMaximum Residence Time (MR)
DSMRT for 3 WellsMaximum Residence Time (MR)
DSMRT for 3 WellsMaximum Residence Time (MR)
DSMRT for 3 WellsMaximum Residence Time (MR)

CORWINS WELL 01
Ground Water (GW)

CORWINS WELL 01 05S/01E-06K02SR (SR)

NORTH FORK - SAN JACINTO RIVER
Surface Water (SW)

NORTH FORK - SAN JA N33/022-NFSJNSR (SR)

SOUTH FORK - SAN JACINTO RIVER
Surface Water (SW)

SOUTH FORK - SAN JA N33/022-SFSJNSR (SR)

WELL 01A - INACTIVE
Ground Water (GW)

WELL 01A - INACTIVE 05S/01E-10M04SR (SR)

WELL 02
Ground Water (GW)

WELL 02 05S/01E-05P01SR (SR)

WELL 04
Ground Water (GW)

WELL 04 05S/01E-09J03SR (SR)

WELL 08
Ground Water (GW)

WELL 08 05S/01E-08D02SR (SR)

WELL 10
Ground Water (GW)

WELL 10 05S/01E-08C01SR (SR)

WELL 14
Ground Water (GW)

WELL 14 05S/01E-09D01SR (SR)

M & M WELL
Ground Water (GW)

M & M WELL 05S/01E-05N01SR (SR)

WELL 15
Ground Water (GW)

WELL 15 05S/01E-10M05SR (SR)

WEBCOR WELL
Ground Water (GW)

WEBCOR WELL 05S/01W-01J01SR (SR)

MCMILLAN WELL
Ground Water (GW)

MCMILLAN WELL 05S/01E-06L03SR (SR)

STRAWBERRY CREEK
Surface Water (SW)

STRAWBERRY CREEKSR (SR)

WLB (BILLCOR) WELL
Ground Water (GW)

WLB (BILLCOR) WELLSR (SR)

FAQ

Is Lake Hemet Mun. Water District tap water safe to drink?

When was Lake Hemet Mun. Water District last tested for water contamination?

The latest water samples were taken on March 3rd, 2025.