City of Porterville (CA) Water Quality

City of Porterville is a large public water system in EPA region 9 that provides tap water for the 93257 zip codes. It has 76 facilities where the water supply was tested for 82 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 1-butanol was 7.9 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 0.53 µg/L. The maximum reported level of Manganese was 12 µg/L. There were 3 contamintants found in the City of Porterville water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (64)

1,2,3-trichloropropane (64)

1,3-butadiene (64)

1,4-dioxane (64)

1-butanol (66)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (58)

17-alpha-ethynylestradiol (64)

17-beta-estradiol (64)

1H,1H,2H,2H-perfluorodecane sulfonic acid (58)

1H,1H,2H,2H-perfluorohexane sulfonic acid (58)

1H,1H,2H,2H-perfluorooctane sulfonic acid (58)

2,4-dinitrotoluene (54)

2,6-dinitrotoluene (54)

2-methoxyethanol (66)

2-propen-1-ol (Allyl Alcohol) (66)

4,4'-dichloro dichlorophenyl ethylene (DDE) (54)

4,8-dioxa-3H-perfluorononanoic acid (58)

4-androstene-3,17-dione (64)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (58)

alpha-hexachlorocyclohexane (67)

bromochloromethane (Halon 1011) (64)

bromomethane (64)

Butylated Hydroxyanisole (66)

chlorate (70)

chlorodifluoromethane (HCFC-22) (64)

chloromethane (64)

chlorpyrifos (67)

chromium (70)

chromium-6 (70)

cobalt (70)

dimethipin (67)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (54)

equilin (64)

estriol (64)

estrone (64)

ethoprop (67)

Germanium (66)

HAA5 (five regulated haloacetic acids) (12)

HAA6Br (six brominated haloacetic acids) (12)

HAA9 (nine haloacetic acids) (12)

hexafluoropropylene oxide dimer acid (GenX) (58)

lithium (58)

Manganese (66)

methyl-tertiary-butyl-ether (MTBE) (55)

molinate (54)

molybdenum (70)

N-ethyl perfluorooctanesulfonamidoacetic acid (58)

N-methyl perfluorooctanesulfonamidoacetic acid (58)

nitrobenzene (55)

nonafluoro-3,6-dioxaheptanoic acid (58)

o-toluidine (66)

oxyfluorfen (67)

perchlorate (54)

perfluoro(2-ethoxyethane)sulfonic acid (58)

perfluoro-3-methoxypropanoic acid (58)

perfluoro-4-methoxybutanoic acid (58)

perfluorobutanesulfonic acid (122)

perfluorobutanoic acid (58)

perfluorodecanoic acid (58)

perfluorododecanoic acid (58)

perfluoroheptanesulfonic acid (58)

perfluoroheptanoic acid (122)

perfluorohexanesulfonic acid (122)

perfluorohexanoic acid (58)

perfluorononanoic acid (122)

perfluorooctanesulfonic acid (122)

perfluorooctanoic acid (122)

perfluoropentanesulfonic acid (58)

perfluoropentanoic acid (58)

perfluorotetradecanoic acid (58)

perfluorotridecanoic acid (58)

perfluoroundecanoic acid (58)

profenofos (67)

quinoline (66)

s-ethyl-dipropylthiocarbamate (EPTC) (54)

strontium (70)

tebuconazole (67)

terbacil (54)

testosterone (64)

Total Permethrin (67)

tribufos (67)

vanadium (70)

Sampling Facilities

Well 32
Ground Water (GW)

Well 32Entry Point to the Distribution System (EP)

Well 33
Ground Water (GW)

Well 33Entry Point to the Distribution System (EP)

Well C-27
Ground Water (GW)

EP #87 - Well C-27 TreatedEntry Point to the Distribution System (EP)
add ucmr sp nameEntry Point to the Distribution System (EP)

Well C-8
Ground Water (GW)

EP #85 - Well C-8 TreatedEntry Point to the Distribution System (EP)

Well C-26
Ground Water (GW)

EP #80 - Well C-26 TreatedEntry Point to the Distribution System (EP)

Well C-1A
Ground Water (GW)

EP #78 - Well C-1A TreatedEntry Point to the Distribution System (EP)

Well C-3A
Ground Water (GW)

EP #76 - Well C-3A TreatedEntry Point to the Distribution System (EP)

Well C-6
Ground Water (GW)

EP #74 - Well C-6 TreatedEntry Point to the Distribution System (EP)

Well C-7
Ground Water (GW)

EP #73 - Well C-7 TreatedEntry Point to the Distribution System (EP)

Well C-10A
Ground Water (GW)

EP #72 - Well C-10A TreatedEntry Point to the Distribution System (EP)

Well C-11
Ground Water (GW)

EP #71 - Well C-11 TreatedEntry Point to the Distribution System (EP)

Well C-15
Ground Water (GW)

EP #68 - Well C-15 TreatedEntry Point to the Distribution System (EP)

Well C-16
Ground Water (GW)

EP #67 - Well C-16 TreatedEntry Point to the Distribution System (EP)

Well C-17
Ground Water (GW)

EP #66 - Well C-17 TreatedEntry Point to the Distribution System (EP)

Well C-18
Ground Water (GW)

EP #65 - Well C-18 TreatedEntry Point to the Distribution System (EP)

Well C-19
Ground Water (GW)

EP #64 - Well C-19 TreatedEntry Point to the Distribution System (EP)

Well C-20
Ground Water (GW)

EP #63 - Well C-20 TreatedEntry Point to the Distribution System (EP)

Well C-23
Ground Water (GW)

EP #62 - Well C-23 TreatedEntry Point to the Distribution System (EP)

Well C-24
Ground Water (GW)

EP #61 - Well C-24 TreatedEntry Point to the Distribution System (EP)

Well EP5
Ground Water (GW)

EP #60 - Well EP5 TreatedEntry Point to the Distribution System (EP)

Well L-7
Ground Water (GW)

EP #55 - Well L-7 TreatedEntry Point to the Distribution System (EP)

Well R-7
Ground Water (GW)

EP #53 - Well R-7 TreatedEntry Point to the Distribution System (EP)

Well C-22
Ground Water (GW)

EP #52 - Well C-22 TreatedEntry Point to the Distribution System (EP)

Well C-25
Ground Water (GW)

EP #27 - Well C-25 TreatedEntry Point to the Distribution System (EP)

C- 21
Ground Water (GW)

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

C-28
Ground Water (GW)

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

C-29
Ground Water (GW)

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

C-31
Ground Water (GW)

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

AP-1
Ground Water (GW)

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

AP-2
Ground Water (GW)

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

Airport Reservoir
Ground Water (GW)

Airport reservoirDistribution System (DS)

Lindale 8 Well
Ground Water (GW)

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

City 12 Well
Ground Water (GW)

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

Well C-4
Ground Water (GW)

EP #75 - Well C-4 TreatedEntry Point to the Distribution System (EP)

Well L-1
Ground Water (GW)

EP #59 - Well L-1 TreatedEntry Point to the Distribution System (EP)

Scenic 3 MG Reservoir
Ground Water (GW)

Scenic 3 MG ReservoirDistribution System (DS)

East Porterville 3 MG Reservoir
Ground Water (GW)

East Porterville 3 MG ReservoirDistribution System (DS)

Martin Hill 3 MG Reservoir
Ground Water (GW)

Martin Hill 3 MG ReservoirDistribution System (DS)

Distribution System
Ground Water (GW)

Scenic Storage 305KDistribution System (DS)

Distribution System
Ground Water (GW)

Rocky Hill Storage 550KDistribution System (DS)
dsmrt scenic hightsMaximum Residence Time (MR)
dsmrt jasmineMaximum Residence Time (MR)
dmsrt martin hillMaximum Residence Time (MR)

Well L-8
Ground Water (GW)

EP #81: Well L-8 TreatedEntry Point to the Distribution System (EP)

Well L-5
Ground Water (GW)

EP #57: Well L-5 TreatedEntry Point to the Distribution System (EP)

EP- #084 WELL R-05 CL2 XCLD
Ground Water (GW)

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

EP- #083 WELL R-06 CL2 XCLD
Ground Water (GW)

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

EP- #077 WELL C-2 - CL2 - INACTIVE
Ground Water (GW)

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

EP- #070 WELL C-12 - CL2 - STANDBY
Ground Water (GW)

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

EP- #069 WELL C-13 - CL2 - STANDBY
Ground Water (GW)

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

WELL C-1A - CHLORINATION
Ground Water (GW)

WELL C-1A - CHLORIN 21S/27E-25M06SR (SR)

WELL C-3A - CHLORINATION
Ground Water (GW)

WELL C-3A - CHLORIN 21S/27E-26R02SR (SR)

WELL C-4 - CHLORINATION
Ground Water (GW)

WELL C-4 - CHLORINA 21S/27E-35A02SR (SR)

WELL C-6 - STANDBY (PCE) - CHLORINATION
Ground Water (GW)

WELL C-6 - STANDBY 21S/27E-26F03SR (SR)

WELL C-7 - CHLORINATION
Ground Water (GW)

WELL C-7 - CHLORINA 21S/27E-35F01SR (SR)

WELL C-10A - CHLORINATION
Ground Water (GW)

WELL C-10A - CHLORI 21S/27E-22R05SR (SR)

WELL C-11 - CHLORINATION
Ground Water (GW)

WELL C-11 - CHLORIN 21S/27E-25N02SR (SR)

WELL C-13 - INACTIVE
Ground Water (GW)

WELL C-13 - INACTIV 21S/27E-36D03SR (SR)

WELL C-15 - CHLORINATION
Ground Water (GW)

WELL C-15 - CHLORIN 21S/27E-26K01SR (SR)

WELL C-16 - CHLORINATION
Ground Water (GW)

WELL C-16 - CHLORIN 21S/27E-27D02SR (SR)

WELL C-17 - CHLORINATION
Ground Water (GW)

WELL C-17 - CHLORIN 21S/27E-34P03SR (SR)

WELL C-18 - CHLORINATION
Ground Water (GW)

WELL C-18 - CHLORIN 21S/27E-28B01SR (SR)

WELL C-19 - CHLORINATION
Ground Water (GW)

WELL C-19 - CHLORIN 21S/27E-35L01SR (SR)

WELL C-20 - CHLORINATION
Ground Water (GW)

WELL C-20 - CHLORIN 21S/27E-27M05SR (SR)

WELL C-23 - CHLORINATION
Ground Water (GW)

WELL C-23 - CHLORIN 21S/27E-35E02SR (SR)

WELL C-24 - CHLORINATION
Ground Water (GW)

WELL C-24 - CHLORIN 21S/27E-28N02SR (SR)

WELL AP-1 - CHLORINATION
Ground Water (GW)

WELL AP-1 - CHLORIN 22S/27E-09J02SR (SR)

WELL EP5 - CHLORINATION
Ground Water (GW)

WELL EP5 - CHLORINA 21S/28E-32P01SR (SR)

WELL L-01 - CHLORINATION
Ground Water (GW)

WELL L-01 - CHLORIN 21S/27E-27M04SR (SR)

WELL L-04 - INACTIVE
Ground Water (GW)

WELL L-04 - INACTIV 21S/27E-28K02SR (SR)

WELL L-05 - CHLORINATION
Ground Water (GW)

WELL L-05 - CHLORIN 21S/27E-28Q01SR (SR)

WELL L-07 - CHLORINATION
Ground Water (GW)

WELL L-07 - CHLORIN 21S/27E-27K02SR (SR)

WELL L-8 - INACTIVE `91
Ground Water (GW)

WELL L-8 - INACTIVE 21S/27E-28G01SR (SR)

WELL R-05 - INACTIVE `91
Ground Water (GW)

WELL R-05 - INACTIV 21S/27E-34E01SR (SR)

WELL R-07 - CHLORINATION
Ground Water (GW)

WELL R-07 - CHLORIN 21S/27E-28P01SR (SR)

WELL AP2 - CHLORINATION
Ground Water (GW)

WELL AP2 - CHLORINA 22S/27E-08D01SR (SR)

WELL C-22 - CHLORINATION
Ground Water (GW)

WELL C-22 - CHLORIN 21S/27E-28R02SR (SR)

WELL R-12 - CHLORINATION
Ground Water (GW)

WELL R-12 - CHLORIN 21S/27E-30L03SR (SR)

WELL C-25 - CHLORINATION
Ground Water (GW)

WELL C-25 - CHLORIN 21S/27E-34E02SR (SR)

FAQ

Is City of Porterville tap water safe to drink?

When was City of Porterville last tested for water contamination?

The latest water samples were taken on November 20th, 2023.