City of Tempe (AZ) Water Quality

City of Tempe is a large public water system in EPA region 9 that provides tap water for the 85280 - 85284 zip codes. It has 32 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 24.96 µg/L. The maximum reported level of Manganese was 86 µg/L. There were 2 contamintants found in the City of Tempe water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (24)

1,2,3-trichloropropane (24)

1,3-butadiene (24)

1,4-dioxane (24)

1-butanol (33)

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

17-alpha-ethynylestradiol (24)

17-beta-estradiol (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 (25)

2,6-dinitrotoluene (25)

2-methoxyethanol (33)

2-propen-1-ol (Allyl Alcohol) (33)

4,4'-dichloro dichlorophenyl ethylene (DDE) (25)

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

4-androstene-3,17-dione (24)

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

alpha-hexachlorocyclohexane (31)

anatoxin-a (16)

bromochloromethane (Halon 1011) (24)

bromomethane (24)

Butylated Hydroxyanisole (34)

chlorate (34)

chlorodifluoromethane (HCFC-22) (24)

chloromethane (24)

chlorpyrifos (31)

chromium (34)

chromium-6 (34)

cobalt (34)

cylindrospermopsin (16)

dimethipin (31)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (27)

equilin (24)

estriol (24)

estrone (24)

ethoprop (31)

Germanium (34)

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 (34)

methyl-tertiary-butyl-ether (MTBE) (28)

molinate (25)

molybdenum (34)

N-ethyl perfluorooctanesulfonamidoacetic acid (24)

N-methyl perfluorooctanesulfonamidoacetic acid (24)

nitrobenzene (28)

nonafluoro-3,6-dioxaheptanoic acid (24)

o-toluidine (34)

oxyfluorfen (31)

perchlorate (25)

perfluoro(2-ethoxyethane)sulfonic acid (24)

perfluoro-3-methoxypropanoic acid (24)

perfluoro-4-methoxybutanoic acid (24)

perfluorobutanesulfonic acid (48)

perfluorobutanoic acid (24)

perfluorodecanoic acid (24)

perfluorododecanoic acid (24)

perfluoroheptanesulfonic acid (24)

perfluoroheptanoic acid (48)

perfluorohexanesulfonic acid (48)

perfluorohexanoic acid (24)

perfluorononanoic acid (48)

perfluorooctanesulfonic acid (48)

perfluorooctanoic acid (48)

perfluoropentanesulfonic acid (24)

perfluoropentanoic acid (24)

perfluorotetradecanoic acid (24)

perfluorotridecanoic acid (24)

perfluoroundecanoic acid (24)

profenofos (31)

quinoline (34)

s-ethyl-dipropylthiocarbamate (EPTC) (25)

strontium (34)

tebuconazole (31)

terbacil (25)

testosterone (24)

total microcystins (16)

Total Permethrin (31)

tribufos (31)

vanadium (34)

Sampling Facilities

EPDS100- ID#08463
Surface Water (SW)

EPDS100Entry Point to the Distribution System (EP)
EPDS200Entry Point to the Distribution System (EP)

EPDS200- ID#08464
Surface Water (SW)

EPDS200Entry Point to the Distribution System (EP)

EPDS001- ID#09352
Ground Water (GW)

EPDS001Entry Point to the Distribution System (EP)

EPDS009- ID#09355
Ground Water (GW)

EPDS009Entry Point to the Distribution System (EP)
EPDS010Entry Point to the Distribution System (EP)

EPDS010- ID#09356
Ground Water (GW)

EPDS010Entry Point to the Distribution System (EP)
EPDS011Entry Point to the Distribution System (EP)

EPDS011- ID#09357
Ground Water (GW)

EPDS011Entry Point to the Distribution System (EP)
EPDS012Entry Point to the Distribution System (EP)

EPDS012- ID#09358
Ground Water (GW)

EPDS012Entry Point to the Distribution System (EP)

EPDS013- ID#21843
Ground Water (GW)

EPDS013Entry Point to the Distribution System (EP)

EPDS014- ID#21844
Ground Water (GW)

EPDS014Entry Point to the Distribution System (EP)

EPDS016- ID#21845
Ground Water (GW)

EPDS016Entry Point to the Distribution System (EP)

EPDS004- ID#09353
Ground Water (GW)

EPDS004Entry Point to the Distribution System (EP)
EPDS007Entry Point to the Distribution System (EP)

EPDS007- ID#09354
Ground Water (GW)

EPDS007Entry Point to the Distribution System (EP)
EPDS009Entry Point to the Distribution System (EP)

EPDS017
Ground Water (GW)

EPDS017Entry Point to the Distribution System (EP)

EPDS018
Ground Water (GW)

EPDS018Entry Point to the Distribution System (EP)

EPDS019
Ground Water (GW)

EPDS019Entry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

A10Distribution System (DS)
B14Distribution System (DS)
A8Distribution System (DS)
B11Distribution System (DS)
A12Distribution System (DS)
A6Distribution System (DS)
B5Distribution System (DS)
B2Distribution System (DS)

Distribution System - GW
Ground Water (GW)

Site B-11Maximum Residence Time (MR)

Distribution System - MX
Multiple Sources (MX)

Site B-14Maximum Residence Time (MR)
Site A-7Maximum Residence Time (MR)

EPDS100
Surface Water (SW)

EPDS100Entry Point to the Distribution System (EP)

EPDS001
Ground Water (GW)

EPDS001Entry Point to the Distribution System (EP)

MR100
Multiple Sources (MX)

Site B-12Maximum Residence Time (MR)

MR200
Multiple Sources (MX)

Site B-15Maximum Residence Time (MR)

WELL #14
Ground Water (GW)

WELL #14SR (SR)

WELL #1
Ground Water (GW)

UK (UK)

WELL #4
Ground Water (GW)

UK (UK)

WELL #7
Ground Water (GW)

UK (UK)

WELL #9
Ground Water (GW)

UK (UK)

WELL #10
Ground Water (GW)

UK (UK)

WELL #11
Ground Water (GW)

UK (UK)

WELL #12
Ground Water (GW)

UK (UK)

02 SOUTH
Surface Water (SW)

STP RESEntry Point to the Distribution System (EP)

01 MARTINEZ
Surface Water (SW)

JGM RESEntry Point to the Distribution System (EP)

FAQ

Is City of Tempe tap water safe to drink?

When was City of Tempe last tested for water contamination?

The latest water samples were taken on March 18th, 2025.