City of Woodland (CA) Water Quality

City of Woodland is a large public water system in EPA region 9 that provides tap water for the 95695 zip codes. It has 53 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 24.9 µg/L. The maximum reported level of Manganese was 13 µg/L. There were 2 contamintants found in the City of Woodland water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (32)

1,2,3-trichloropropane (32)

1,3-butadiene (32)

1,4-dioxane (32)

1-butanol (20)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (24)

1H,1H,2H,2H-perfluorodecane sulfonic acid (24)

1H,1H,2H,2H-perfluorohexane sulfonic acid (24)

1H,1H,2H,2H-perfluorooctane sulfonic acid (24)

2,4-dinitrotoluene (36)

2,6-dinitrotoluene (36)

2-methoxyethanol (20)

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

4,4'-dichloro dichlorophenyl ethylene (DDE) (36)

4,8-dioxa-3H-perfluorononanoic acid (24)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (24)

alpha-hexachlorocyclohexane (20)

anatoxin-a (8)

bromochloromethane (Halon 1011) (32)

bromomethane (32)

Butylated Hydroxyanisole (20)

chlorate (54)

chlorodifluoromethane (HCFC-22) (32)

chloromethane (32)

chlorpyrifos (20)

chromium (54)

chromium-6 (54)

cobalt (54)

cylindrospermopsin (8)

dimethipin (20)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (36)

ethoprop (20)

Germanium (20)

HAA5 (five regulated haloacetic acids) (32)

HAA6Br (six brominated haloacetic acids) (32)

HAA9 (nine haloacetic acids) (32)

hexafluoropropylene oxide dimer acid (GenX) (24)

lithium (24)

Manganese (20)

methyl-tertiary-butyl-ether (MTBE) (36)

molinate (36)

molybdenum (54)

N-ethyl perfluorooctanesulfonamidoacetic acid (24)

N-methyl perfluorooctanesulfonamidoacetic acid (24)

nitrobenzene (36)

nonafluoro-3,6-dioxaheptanoic acid (24)

o-toluidine (20)

oxyfluorfen (20)

perchlorate (36)

perfluoro(2-ethoxyethane)sulfonic acid (24)

perfluoro-3-methoxypropanoic acid (24)

perfluoro-4-methoxybutanoic acid (24)

perfluorobutanesulfonic acid (56)

perfluorobutanoic acid (24)

perfluorodecanoic acid (24)

perfluorododecanoic acid (24)

perfluoroheptanesulfonic acid (24)

perfluoroheptanoic acid (56)

perfluorohexanesulfonic acid (56)

perfluorohexanoic acid (24)

perfluorononanoic acid (56)

perfluorooctanesulfonic acid (56)

perfluorooctanoic acid (56)

perfluoropentanesulfonic acid (24)

perfluoropentanoic acid (24)

perfluorotetradecanoic acid (24)

perfluorotridecanoic acid (24)

perfluoroundecanoic acid (24)

profenofos (20)

quinoline (20)

s-ethyl-dipropylthiocarbamate (EPTC) (36)

strontium (54)

tebuconazole (20)

terbacil (36)

total microcystins (6)

Total Permethrin (20)

tribufos (20)

vanadium (54)

Sampling Facilities

Well 28 (ASR)
Surface Water (SW)

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

Well 29 (ASR)
Surface Water (SW)

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

Well 30 (ASR)
Surface Water (SW)

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

Well 16
Ground Water (GW)

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

Well 24
Ground Water (GW)

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

Well 26
Ground Water (GW)

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

Well 15S
Ground Water (GW)

EP #36 - Well 15S TreatedEntry Point to the Distribution System (EP)

POE1 - County Rd. 102 and Farmers Central Rd.
Surface Water (SW)

POE1 - South Entry PointEntry Point to the Distribution System (EP)

Well 22G (Southeast)
Ground Water (GW)

EP #44 - Well 22G TreatedEntry Point to the Distribution System (EP)

SS#1 - N. Ashley Ave. @ Ralph Harris Softball Park
Surface Water (SW)

SS#1 - N. Ashley Ave.Distribution System (DS)

SS#3 - Woodland Memorial Hospital (Hospital E/E)
Surface Water (SW)

SS#3 - Woodland Memorial HospitalDistribution System (DS)

SS#5 - City Park (Cross Street)
Surface Water (SW)

SS#5 - City ParkDistribution System (DS)

SS#7 - Cline Park (224 W. Woodland Ave.)
Surface Water (SW)

SS#7 - Cline ParkDistribution System (DS)

SS#8 - Holister Rd. @ Beamer Park
Surface Water (SW)

SS#8 - Hollister Rd. @ Beamer ParkDistribution System (DS)

SS#10 - E. Beamer @ Underpass
Surface Water (SW)

SS#10 - E. Beamer @ UnderpassDistribution System (DS)

SS#13 - Across from 1036 Farnham
Surface Water (SW)

SS#13 - Across from 1036 FarnhamDistribution System (DS)

SS#14 - Walgreens Warehouse
Surface Water (SW)

SS#14 - Walgreens WarehouseDistribution System (DS)

Well 26 (Regional Park Well)
Ground Water (GW)

EP #47: Well 26 TreatedEntry Point to the Distribution System (EP)

Well 24 (Town Center Well)
Ground Water (GW)

EP #46: Well 24 TreatedEntry Point to the Distribution System (EP)

Well 21
Ground Water (GW)

EP #42: Well 21 TreatedEntry Point to the Distribution System (EP)

Well 20
Ground Water (GW)

EP #41: Well 20 TreatedEntry Point to the Distribution System (EP)

Well 19 (Corp Yard North)
Ground Water (GW)

EP #40: Well 19 TreatedEntry Point to the Distribution System (EP)

Well 18
Ground Water (GW)

EP #39: Well 18 TreatedEntry Point to the Distribution System (EP)

Well 16 (College Ave.)
Ground Water (GW)

EP #37: Well 16 TreatedEntry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EP #35: Well 14 TreatedEntry Point to the Distribution System (EP)

Well 13
Ground Water (GW)

EP #34: Well 13 TreatedEntry Point to the Distribution System (EP)

Well 12
Ground Water (GW)

EP #33: Well 12 TreatedEntry Point to the Distribution System (EP)

Well 6
Ground Water (GW)

EP #29: Well 6 TreatedEntry Point to the Distribution System (EP)

Well 5
Ground Water (GW)

EP #28: Well 5 TreatedEntry Point to the Distribution System (EP)

Well 4
Ground Water (GW)

EP #27: Well 4 TreatedEntry Point to the Distribution System (EP)

Well 28
Ground Water (GW)

EP #26: Well 28 TreatedEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for Well 28Maximum Residence Time (MR)
DSMRT for Well 4 & Well 19Maximum Residence Time (MR)
DSMRT for Well 5 & Well 6Maximum Residence Time (MR)
DSMRT for Well 12Maximum Residence Time (MR)
DSMRT for Well 13 & Well 16Maximum Residence Time (MR)
DSMRT for Well 14Maximum Residence Time (MR)
DSMRT for Well 15S & Well 22GMaximum Residence Time (MR)
DSMRT for Well 24 & Well 26Maximum Residence Time (MR)
DSMRT for Well 21Maximum Residence Time (MR)
DSMRT for Well 20 & Well 10Maximum Residence Time (MR)
DSMRT for Well 18Maximum Residence Time (MR)

EP- #038 WELL 17 - TREATED
Ground Water (GW)

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

EP- #032 WELL 11 - TREATED
Ground Water (GW)

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

WELL 01 - STANDBY
Ground Water (GW)

WELL 01 - STANDBY 10N/02E-32A02SR (SR)

WELL 04 - STANDBY
Ground Water (GW)

WELL 04 - STANDBY 10N/02E-29M01SR (SR)

WELL 05 -
Ground Water (GW)

WELL 05 - 10N/02E-32P01SR (SR)

WELL 06
Ground Water (GW)

WELL 06 10N/02E-32D02SR (SR)

WELL 09
Ground Water (GW)

WELL 09 09N/02E-05H01SR (SR)

WELL 10
Ground Water (GW)

WELL 10 10N/02E-30G01SR (SR)

WELL 11
Ground Water (GW)

WELL 11 10N/02E-31F01SR (SR)

WELL 12 - STANDBY
Ground Water (GW)

WELL 12 - STANDBY 10N/02E-21R01SR (SR)

WELL 13
Ground Water (GW)

WELL 13 09N/02E-06B01SR (SR)

WELL 14
Ground Water (GW)

WELL 14 10N/02E-28J01SR (SR)

WELL 15 - STANDBY
Ground Water (GW)

WELL 15 - STANDBY 10N/02E-33F01SR (SR)

WELL 16 COLLEGE AVE.
Ground Water (GW)

WELL 16 COLLEGE AV 09N/02E-05G01SR (SR)

WELL 17
Ground Water (GW)

WELL 17 09N/02E-06E01SR (SR)

WELL 18
Ground Water (GW)

WELL 18 10N/02E-33N02SR (SR)

WELL 19 CORP YARD NORTH
Ground Water (GW)

WELL 19 CORP YARD 10N/02E-29H02SR (SR)

WELL 20
Ground Water (GW)

WELL 20 10N/02E-30N01SR (SR)

WELL 21
Ground Water (GW)

WELL 21 10N/02E-30C01SR (SR)

WELL 22 - SOUTHEAST
Ground Water (GW)

WELL 22- SOUTHEAST 5710006-022SR (SR)

()

LD (LD)
MD (MD)
Maximum Residence Time (MR)

FAQ

Is City of Woodland tap water safe to drink?

When was City of Woodland last tested for water contamination?

The latest water samples were taken on March 10th, 2025.