City of Loma Linda (CA) Water Quality

City of Loma Linda is a large public water system in EPA region 9 that provides tap water for the 92350, 92357, 92408 zip codes. It has 13 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 1.09 µg/L. The maximum reported level of Manganese was 2.7 µg/L. There were 2 contamintants found in the City of Loma Linda water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (10)

1,2,3-trichloropropane (10)

1,3-butadiene (10)

1,4-dioxane (10)

1-butanol (12)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

2,4-dinitrotoluene (9)

2,6-dinitrotoluene (9)

2-methoxyethanol (12)

2-propen-1-ol (Allyl Alcohol) (12)

4,4'-dichloro dichlorophenyl ethylene (DDE) (9)

4,8-dioxa-3H-perfluorononanoic acid (10)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

alpha-hexachlorocyclohexane (12)

bromochloromethane (Halon 1011) (10)

bromomethane (10)

Butylated Hydroxyanisole (12)

chlorate (20)

chlorodifluoromethane (HCFC-22) (10)

chloromethane (10)

chlorpyrifos (12)

chromium (19)

chromium-6 (20)

cobalt (19)

dimethipin (12)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (6)

ethoprop (12)

Germanium (12)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (10)

lithium (10)

Manganese (12)

methyl-tertiary-butyl-ether (MTBE) (9)

molinate (9)

molybdenum (19)

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

N-methyl perfluorooctanesulfonamidoacetic acid (10)

nitrobenzene (9)

nonafluoro-3,6-dioxaheptanoic acid (10)

o-toluidine (12)

oxyfluorfen (12)

perchlorate (6)

perfluoro(2-ethoxyethane)sulfonic acid (10)

perfluoro-3-methoxypropanoic acid (10)

perfluoro-4-methoxybutanoic acid (10)

perfluorobutanesulfonic acid (20)

perfluorobutanoic acid (10)

perfluorodecanoic acid (10)

perfluorododecanoic acid (10)

perfluoroheptanesulfonic acid (10)

perfluoroheptanoic acid (20)

perfluorohexanesulfonic acid (20)

perfluorohexanoic acid (10)

perfluorononanoic acid (20)

perfluorooctanesulfonic acid (20)

perfluorooctanoic acid (20)

perfluoropentanesulfonic acid (10)

perfluoropentanoic acid (10)

perfluorotetradecanoic acid (10)

perfluorotridecanoic acid (10)

perfluoroundecanoic acid (10)

profenofos (12)

quinoline (12)

s-ethyl-dipropylthiocarbamate (EPTC) (9)

strontium (19)

tebuconazole (12)

terbacil (9)

Total Permethrin (12)

tribufos (12)

vanadium (19)

Sampling Facilities

Mountain View Well 3
Ground Water (GW)

EP #21 - Mountain View Well 3 TreatedEntry Point to the Distribution System (EP)

Mountain View Well 6
Ground Water (GW)

EP #24 - MV6Entry Point to the Distribution System (EP)

Richardson Well 6
Ground Water (GW)

EP #25 - R6Entry Point to the Distribution System (EP)

Richardson Well 5
Ground Water (GW)

EP #26 - R5Entry Point to the Distribution System (EP)

Richardson Well 03
Ground Water (GW)

Richardson Well 03Entry Point to the Distribution System (EP)

Richardson Wells Blending Site
Ground Water (GW)

EP #16 - Richardson Wells Blend TreatedEntry Point to the Distribution System (EP)
add ucmr sp nameEntry Point to the Distribution System (EP)

Mt. View Well 5 Combined Vessel
Ground Water (GW)

MV5 Treated EffluentEntry Point to the Distribution System (EP)

Zone 2A
Ground Water (GW)

Station 5Distribution System (DS)

Zone 1
Ground Water (GW)

Station 8Distribution System (DS)

Distribution System
Ground Water (GW)

DSMRT for Richardson Wells BlendMaximum Residence Time (MR)
DSMRT for Mountain View Well 3Maximum Residence Time (MR)
DSMRT for Mountain View Well 6Maximum Residence Time (MR)
DSMRT for Richardson Well 6Maximum Residence Time (MR)
DSMRT for Richardson Well 5Maximum Residence Time (MR)

RICHARDSON ST. WELL 01
Ground Water (GW)

RICHARDSON ST. WELL 01S/04W-24C01SR (SR)

RICHARDSON WELL 03
Ground Water (GW)

RICHARDSON WELL 03 01S/04W-24P04SR (SR)

MOUNTAIN VIEW WELL 03
Ground Water (GW)

MOUNTAIN VIEW WELL 01S/04W-24A05SR (SR)

FAQ

Is City of Loma Linda tap water safe to drink?

When was City of Loma Linda last tested for water contamination?

The latest water samples were taken on August 1st, 2024.