City of Petaluma (CA) Water Quality

City of Petaluma is a large public water system in EPA region 9 that provides tap water for the 94954 zip codes. It has 20 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 6.7 µg/L. The maximum reported level of Manganese was 57 µg/L. There were 2 contamintants found in the City of Petaluma water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (14)

1,2,3-trichloropropane (14)

1,3-butadiene (14)

1,4-dioxane (14)

1-butanol (14)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

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

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

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

2,4-dinitrotoluene (5)

2,6-dinitrotoluene (5)

2-methoxyethanol (14)

2-propen-1-ol (Allyl Alcohol) (14)

4,4'-dichloro dichlorophenyl ethylene (DDE) (5)

4,8-dioxa-3H-perfluorononanoic acid (2)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

alpha-hexachlorocyclohexane (14)

bromochloromethane (Halon 1011) (14)

bromomethane (14)

Butylated Hydroxyanisole (14)

chlorate (24)

chlorodifluoromethane (HCFC-22) (14)

chloromethane (14)

chlorpyrifos (14)

chromium (24)

chromium-6 (24)

cobalt (24)

dimethipin (14)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (5)

ethoprop (14)

Germanium (14)

HAA5 (five regulated haloacetic acids) (5)

HAA6Br (six brominated haloacetic acids) (5)

HAA9 (nine haloacetic acids) (5)

hexafluoropropylene oxide dimer acid (GenX) (2)

lithium (2)

Manganese (14)

methyl-tertiary-butyl-ether (MTBE) (5)

molinate (5)

molybdenum (24)

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

N-methyl perfluorooctanesulfonamidoacetic acid (2)

nitrobenzene (5)

nonafluoro-3,6-dioxaheptanoic acid (2)

o-toluidine (14)

oxyfluorfen (14)

perchlorate (6)

perfluoro(2-ethoxyethane)sulfonic acid (2)

perfluoro-3-methoxypropanoic acid (2)

perfluoro-4-methoxybutanoic acid (2)

perfluorobutanesulfonic acid (16)

perfluorobutanoic acid (2)

perfluorodecanoic acid (2)

perfluorododecanoic acid (2)

perfluoroheptanesulfonic acid (2)

perfluoroheptanoic acid (16)

perfluorohexanesulfonic acid (16)

perfluorohexanoic acid (2)

perfluorononanoic acid (16)

perfluorooctanesulfonic acid (16)

perfluorooctanoic acid (16)

perfluoropentanesulfonic acid (2)

perfluoropentanoic acid (2)

perfluorotetradecanoic acid (2)

perfluorotridecanoic acid (2)

perfluoroundecanoic acid (2)

profenofos (14)

quinoline (14)

s-ethyl-dipropylthiocarbamate (EPTC) (5)

strontium (24)

tebuconazole (14)

terbacil (5)

Total Permethrin (14)

tribufos (14)

vanadium (24)

Sampling Facilities

Corona Turn-out
Ground Water (GW)

Corona Turn-outEntry Point to the Distribution System (EP)

Frates Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Prince Park South Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Stony Point Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Airport Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Prince Park North Well
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Station 9
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Corona Vault
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Country Club Tank
Ground Water (GW)

tank siteDistribution System (DS)
Country Club TankMaximum Residence Time (MR)

Clegg Court
Ground Water (GW)

CGDistribution System (DS)
Clegg CourtMaximum Residence Time (MR)

10 Tarragon Court
Ground Water (GW)

ResidentDistribution System (DS)

Water Field Office
Ground Water (GW)

yardDistribution System (DS)

1526 Anna Way
Ground Water (GW)

Rersident-2Distribution System (DS)

Distribution System
Ground Water (GW)

Country Club TankMaximum Residence Time (MR)
Clegg CourtMaximum Residence Time (MR)
2143 St AugustineMaximum Residence Time (MR)
Water Field OfficeMaximum Residence Time (MR)
726 SartoryMaximum Residence Time (MR)

STONY POINT WELL 04 - INACTIVE
Ground Water (GW)

STONY POINT WELL 04 05N/07W-18P01SR (SR)

PRINCE PARK SOUTH WELL
Ground Water (GW)

PRINCE PARK SOUTH W 4910006-026SR (SR)

PRINCE PARK NORTH WELL
Ground Water (GW)

PRINCE PARK NORTH W 4910006-027SR (SR)

AIRPORT WELL
Ground Water (GW)

AIRPORT WELL 4910006-028SR (SR)

FRATES WELL
Ground Water (GW)

FRATES WELL 4910006-032SR (SR)

STONY POINT WELL
Ground Water (GW)

STONY POINT WELL 4910006-033SR (SR)

FAQ

Is City of Petaluma tap water safe to drink?

When was City of Petaluma last tested for water contamination?

The latest water samples were taken on December 12th, 2023.