City of Wilsonville (OR) Water Quality

City of Wilsonville is a large public water system in EPA region 10 that provides tap water for the 97070 zip codes. It has 10 facilities where the water supply was tested for 84 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 7.8 µg/L. The maximum reported level of Manganese was 5.9 µg/L. There were 2 contamintants found in the City of Wilsonville water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (4)

1,2,3-trichloropropane (4)

1,3-butadiene (4)

1,4-dioxane (4)

1-butanol (4)

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

1H,1H,2H,2H-perfluorodecane sulfonic acid (3)

1H,1H,2H,2H-perfluorohexane sulfonic acid (3)

1H,1H,2H,2H-perfluorooctane sulfonic acid (3)

2,4-dinitrotoluene (18)

2,6-dinitrotoluene (18)

2-methoxyethanol (4)

2-propen-1-ol (Allyl Alcohol) (4)

4,4'-dichloro dichlorophenyl ethylene (DDE) (18)

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

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

alpha-hexachlorocyclohexane (4)

anatoxin-a (8)

bromochloromethane (Halon 1011) (4)

bromomethane (4)

Butylated Hydroxyanisole (4)

chlorate (8)

chlorodifluoromethane (HCFC-22) (4)

chloromethane (4)

chlorpyrifos (4)

chromium (8)

chromium-6 (8)

cobalt (8)

cylindrospermopsin (8)

dimethipin (4)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (18)

ethoprop (4)

Germanium (4)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (16)

HAA9 (nine haloacetic acids) (16)

hexafluoropropylene oxide dimer acid (GenX) (3)

lithium (3)

Manganese (4)

methyl-tertiary-butyl-ether (MTBE) (18)

microcystin-LA (1)

microcystin-LF (1)

microcystin-LR (1)

microcystin-LY (1)

microcystin-RR (1)

microcystin-YR (1)

molinate (18)

molybdenum (8)

N-ethyl perfluorooctanesulfonamidoacetic acid (3)

N-methyl perfluorooctanesulfonamidoacetic acid (3)

nitrobenzene (18)

nonafluoro-3,6-dioxaheptanoic acid (3)

o-toluidine (4)

oxyfluorfen (4)

perchlorate (18)

perfluoro(2-ethoxyethane)sulfonic acid (3)

perfluoro-3-methoxypropanoic acid (3)

perfluoro-4-methoxybutanoic acid (3)

perfluorobutanesulfonic acid (7)

perfluorobutanoic acid (3)

perfluorodecanoic acid (3)

perfluorododecanoic acid (3)

perfluoroheptanesulfonic acid (3)

perfluoroheptanoic acid (7)

perfluorohexanesulfonic acid (7)

perfluorohexanoic acid (3)

perfluorononanoic acid (7)

perfluorooctanesulfonic acid (7)

perfluorooctanoic acid (7)

perfluoropentanesulfonic acid (3)

perfluoropentanoic acid (3)

perfluorotetradecanoic acid (3)

perfluorotridecanoic acid (3)

perfluoroundecanoic acid (3)

profenofos (4)

quinoline (4)

s-ethyl-dipropylthiocarbamate (EPTC) (18)

strontium (8)

tebuconazole (4)

terbacil (18)

total microcystins (8)

Total Permethrin (4)

tribufos (4)

vanadium (8)

Sampling Facilities

Water TP
Surface Water (SW)

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

Wilsonville Distribution System
Surface Water (SW)

31090 SW WALLOWA CTDistribution System (DS)
29444 SW GLACIER WAYDistribution System (DS)
10295 SW RIDDER RDDistribution System (DS)
28187 SW MORGAN STDistribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for WTPMaximum Residence Time (MR)

ELLIGSEN WELL (STAFFORD)
Ground Water (GW)

EP FOR ELLIGSEN (STAFFORD) WELLEntry Point to the Distribution System (EP)

WIEDEMAN WELL
Ground Water (GW)

EP FOR WIEDMAN WELLEntry Point to the Distribution System (EP)

CHARBONNEAU WELL #1
Ground Water (GW)

EP FOR CHARBONNEAU WELLSEntry Point to the Distribution System (EP)

GESELLSHAFT WELL
Ground Water (GW)

EP FOR GESELLSHAFT WELLEntry Point to the Distribution System (EP)

NIKE WELL
Ground Water (GW)

EP FOR NIKE WELLEntry Point to the Distribution System (EP)

CANYON CREEK WELL
Ground Water (GW)

EP FOR CANYON CREEK WELLEntry Point to the Distribution System (EP)

BOECKMAN WELL
Ground Water (GW)

EP FOR BOECKMAN WELLEntry Point to the Distribution System (EP)

FAQ

Is City of Wilsonville tap water safe to drink?

When was City of Wilsonville last tested for water contamination?

The latest water samples were taken on June 2nd, 2025.