City of Rohnert Park (CA) Water Quality

City of Rohnert Park is a large public water system in EPA region 9 that provides tap water for the 94928 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 3.933 µg/L. The maximum reported level of Manganese was 25.9 µg/L. There were 2 contamintants found in the City of Rohnert Park water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (20)

1,2,3-trichloropropane (20)

1,3-butadiene (20)

1,4-dioxane (20)

1-butanol (15)

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 (20)

2,6-dinitrotoluene (20)

2-methoxyethanol (15)

2-propen-1-ol (Allyl Alcohol) (15)

4,4'-dichloro dichlorophenyl ethylene (DDE) (20)

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

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

alpha-hexachlorocyclohexane (15)

bromochloromethane (Halon 1011) (20)

bromomethane (20)

Butylated Hydroxyanisole (15)

chlorate (24)

chlorodifluoromethane (HCFC-22) (20)

chloromethane (20)

chlorpyrifos (15)

chromium (24)

chromium-6 (24)

cobalt (24)

dimethipin (15)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (20)

ethoprop (15)

Germanium (15)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (16)

lithium (16)

Manganese (15)

methyl-tertiary-butyl-ether (MTBE) (20)

molinate (20)

molybdenum (24)

N-ethyl perfluorooctanesulfonamidoacetic acid (16)

N-methyl perfluorooctanesulfonamidoacetic acid (16)

nitrobenzene (20)

nonafluoro-3,6-dioxaheptanoic acid (16)

o-toluidine (15)

oxyfluorfen (15)

perchlorate (20)

perfluoro(2-ethoxyethane)sulfonic acid (16)

perfluoro-3-methoxypropanoic acid (16)

perfluoro-4-methoxybutanoic acid (16)

perfluorobutanesulfonic acid (36)

perfluorobutanoic acid (16)

perfluorodecanoic acid (16)

perfluorododecanoic acid (16)

perfluoroheptanesulfonic acid (16)

perfluoroheptanoic acid (36)

perfluorohexanesulfonic acid (36)

perfluorohexanoic acid (16)

perfluorononanoic acid (36)

perfluorooctanesulfonic acid (36)

perfluorooctanoic acid (36)

perfluoropentanesulfonic acid (16)

perfluoropentanoic acid (16)

perfluorotetradecanoic acid (16)

perfluorotridecanoic acid (16)

perfluoroundecanoic acid (16)

profenofos (15)

quinoline (15)

s-ethyl-dipropylthiocarbamate (EPTC) (20)

strontium (24)

tebuconazole (15)

terbacil (20)

Total Permethrin (15)

tribufos (15)

vanadium (24)

Sampling Facilities

Well 40
Ground Water (GW)

EP #79 - Well 40 TreatedEntry Point to the Distribution System (EP)

Well 35
Ground Water (GW)

EP #75 - Well 35 TreatedEntry Point to the Distribution System (EP)

Well 29
Ground Water (GW)

EP #70 - Well 29 TreatedEntry Point to the Distribution System (EP)

Well 27
Ground Water (GW)

EP #68 - Well 27 TreatedEntry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EP #59 - Well 14 TreatedEntry Point to the Distribution System (EP)

Well 6
Ground Water (GW)

EP #50 - Well 6 TreatedEntry Point to the Distribution System (EP)

Well 30
Ground Water (GW)

EP #71 - Well 30 TreatedEntry Point to the Distribution System (EP)

Well 13
Ground Water (GW)

EP #58 - Well 13 TreatedEntry Point to the Distribution System (EP)

Well 34
Ground Water (GW)

EP #74 - Well 34 TreatedEntry Point to the Distribution System (EP)

Well 31
Ground Water (GW)

EP #72 - Well 2 TreatedEntry Point to the Distribution System (EP)

Well 5
Ground Water (GW)

EP #100 - Well 5 TreatedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DPB - 8513 Liman Way.Distribution System (DS)
DPB - 603 Martin Ave.Distribution System (DS)

Well 8A
Ground Water (GW)

EP #53 - Well 8A TreatedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for Zone 1Maximum Residence Time (MR)
DSMRT for Zone 2Maximum Residence Time (MR)

WELL 06
Ground Water (GW)

WELL 06 4910014-050SR (SR)

WELL 08A
Ground Water (GW)

WELL 08A 4910014-053SR (SR)

WELL 13
Ground Water (GW)

WELL 13 4910014-058SR (SR)

WELL 14
Ground Water (GW)

WELL 14 4910014-059SR (SR)

WELL 27
Ground Water (GW)

WELL 27 4910014-068SR (SR)

WELL 29
Ground Water (GW)

WELL 29 4910014-070SR (SR)

WELL 31
Ground Water (GW)

WELL 31 4910014-072SR (SR)

WELL 34
Ground Water (GW)

WELL 34 4910014-074SR (SR)

WELL 35
Ground Water (GW)

WELL 35 4910014-075SR (SR)

WELL 39
Ground Water (GW)

WELL 39 4910014-078SR (SR)

FAQ

Is City of Rohnert Park tap water safe to drink?

When was City of Rohnert Park last tested for water contamination?

The latest water samples were taken on October 22nd, 2024.