Oro Valley Water Utility is a large public water system in EPA region 9 that provides tap water for the 85704, 85755 zip codes. It has 40 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.03 µg/L. The maximum reported level of Manganese was 14.4 µg/L. There were 2 contamintants found in the Oro Valley Water Utility water supply at levels that were above the minimum reporting level.
EPDS002
Ground Water (GW)EPDS002Entry Point to the Distribution System (EP)
EPDS003
Ground Water (GW)EPDS003Entry Point to the Distribution System (EP)
EPDS009
Ground Water (GW)EPDS009Entry Point to the Distribution System (EP)
EPDS010
Ground Water (GW)EPDS010Entry Point to the Distribution System (EP)
EPDS012
Ground Water (GW)EPDS012Entry Point to the Distribution System (EP)
EPDS013
Ground Water (GW)EPDS013Entry Point to the Distribution System (EP)
EPDS014
Ground Water (GW)EPDS014Entry Point to the Distribution System (EP)
EPDS019
Ground Water (GW)EPDS019Entry Point to the Distribution System (EP)
EPDS020
Ground Water (GW)EPDS020Entry Point to the Distribution System (EP)
EPDS027
Ground Water (GW)EPDS027Entry Point to the Distribution System (EP)
EPDS025
Ground Water (GW)EPDS025Entry Point to the Distribution System (EP)
EPDS028
Ground Water (GW)EPDS028Entry Point to the Distribution System (EP)
EPDS029
Ground Water (GW)EPDS029Entry Point to the Distribution System (EP)
EPDS030
Ground Water (GW)EPDS030Entry Point to the Distribution System (EP)
Distribution System
Ground Water (GW)Sample Station 031Distribution System (DS)
Sample Station 010Distribution System (DS)
Samole Station 013Distribution System (DS)
Sample Station 024Distribution System (DS)
EPDS011
Ground Water (GW)EPDS011Entry Point to the Distribution System (EP)
EPDS026
Ground Water (GW)EPDS026Entry Point to the Distribution System (EP)
Distribution System
Ground Water (GW)(code 2) MR02F DSMRT for EPDS002Maximum Residence Time (MR)
(code 2) MR12D DSMRT for EPDS005Maximum Residence Time (MR)
MR26G DSMRT for EPDS020Maximum Residence Time (MR)
(code 2) MR03E DSMRT for EPDS028Maximum Residence Time (MR)
EPDS025
Ground Water (GW)EPDS025Entry Point to the Distribution System (EP)
EPDS005
Ground Water (GW)EPDS005Entry Point to the Distribution System (EP)
EPDS024
Ground Water (GW)EPDS024Entry Point to the Distribution System (EP)
C-5
Ground Water (GW)WELL C-5Entry Point to the Distribution System (EP)
C-7
Ground Water (GW)WELL C-7Entry Point to the Distribution System (EP)
C-2
Ground Water (GW)WELL C-2Entry Point to the Distribution System (EP)
E-1
Ground Water (GW)WELL E-1Entry Point to the Distribution System (EP)
C-8
Ground Water (GW)WELL C-8Entry Point to the Distribution System (EP)
D-2
Ground Water (GW)WELL D-2Entry Point to the Distribution System (EP)
D-5
Ground Water (GW)WELL D-5Entry Point to the Distribution System (EP)
C-1
Ground Water (GW)WELL C-1Entry Point to the Distribution System (EP)
C-3
Ground Water (GW)WELL C-3Entry Point to the Distribution System (EP)
D-4
Ground Water (GW)WELL D-4Entry Point to the Distribution System (EP)
D-6
Ground Water (GW)WELL D-6Entry Point to the Distribution System (EP)
C-4
Ground Water (GW)WELL C-4Entry Point to the Distribution System (EP)
D-7
Ground Water (GW)WELL D-7Entry Point to the Distribution System (EP)
D-8
Ground Water (GW)WELL D-8Entry Point to the Distribution System (EP)
C-6
Ground Water (GW)WELL C-6Entry Point to the Distribution System (EP)
BIG WASH
Ground Water (GW)BIG WASHEntry Point to the Distribution System (EP)
E-3
Ground Water (GW)WELL E-3Entry Point to the Distribution System (EP)
F-1
Ground Water (GW)WELL F-1Entry Point to the Distribution System (EP)
E-2
Ground Water (GW)WELL E-2Entry Point to the Distribution System (EP)
The latest water samples were taken on March 4th, 2025.