City of Surprise - Mountain Vista (AZ) Water Quality

City of Surprise - Mountain Vista is a large public water system in EPA region 9 that provides tap water for the 85374 zip codes. It has 6 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 2.909 µg/L. The maximum reported level of Manganese was 0.75 µg/L. There were 2 contamintants found in the City of Surprise - Mountain Vista water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (8)

1,2,3-trichloropropane (8)

1,3-butadiene (8)

1,4-dioxane (8)

1-butanol (7)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

2-methoxyethanol (7)

2-propen-1-ol (Allyl Alcohol) (7)

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

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

alpha-hexachlorocyclohexane (8)

bromochloromethane (Halon 1011) (8)

bromomethane (8)

Butylated Hydroxyanisole (7)

chlorate (16)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (8)

chromium (16)

chromium-6 (16)

cobalt (16)

dimethipin (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (8)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (7)

oxyfluorfen (8)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (16)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (16)

perfluorohexanesulfonic acid (16)

perfluorohexanoic acid (8)

perfluorononanoic acid (16)

perfluorooctanesulfonic acid (16)

perfluorooctanoic acid (16)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (8)

quinoline (7)

strontium (16)

tebuconazole (8)

Total Permethrin (8)

tribufos (8)

vanadium (16)

Sampling Facilities

EPDS002
Ground Water (GW)

EPDS002Entry Point to the Distribution System (EP)

EPDS003
Ground Water (GW)

EPDS003Entry Point to the Distribution System (EP)

EPDS004
Ground Water (GW)

EPDS004Entry Point to the Distribution System (EP)

EPDS001
Ground Water (GW)

EPDS001Entry Point to the Distribution System (EP)

Mountain Vista PWS Distribution System
Ground Water (GW)

14668 N. 154th LaneDistribution System (DS)
13129 W. Calavar RoadDistribution System (DS)
14115 W Mandalay LaneDistribution System (DS)
15451 W Desert Mirage DriveDistribution System (DS)

Distribution System
Ground Water (GW)

DSMRT for EPDS002Maximum Residence Time (MR)
DSMRT for EPDS003Maximum Residence Time (MR)
DSMRT for EPDS004Maximum Residence Time (MR)
DSMRT for EPDS001Maximum Residence Time (MR)

FAQ

Is City of Surprise - Mountain Vista tap water safe to drink?

When was City of Surprise - Mountain Vista last tested for water contamination?

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