Central Arizona Aqueduct Project DT3

System Name: Central Arizona Aqueduct Project DT3
Location: Phoenix, AZ CA
County: 6 Counties
System Type: DMR Tier 3 Capacity Max
System Voice: DMR
System ID: HEX: S78 DEC: S120
Last Updated: June 14, 2026, 23:51 pm UTC   [Changed Site # 009 (S120-9 Thompson Peak) to 9 (S120-9 Thompson Peak)]
System Notes

The Central Arizona Aqueduct Project is a 336 mile diversion canal that diverts water from the Colorado River to the Bill Williams Wildlife Refuge south portion of Lake Havasu near Parker and then into central and southern Arizona.  LRRP (radio location data) activity is also seen on this system.

Sites and Frequencies

Red (c) are control channel capable frequencies
SiteNameCountyFrequencies
001 (1)S120-1 Metal MountainSan Bernardino, CA
2 freqs
851.4125853.4625
002 (2)S120-2 Bouse HillsMohave, AZ
2 freqs · 1 control
852.5625Ctrl851.3875
003 (3)S120-3 Little HarqLa Paz, AZ
2 freqs · 1 control
853.1125Ctrl853.600
004 (4)S120-4 Burnt MountainMaricopa, AZ
2 freqs · 1 control
857.2125Ctrl857.9875
005 (5)S120-5 Harquahala MountainLa Paz, AZ
2 freqs · 1 control
851.8875Ctrl851.100
006 (6)S120-6 White TanksMaricopa, AZ
2 freqs · 1 control
851.3875Ctrl859.8375
007 (7)S120-7 Lake Pleasant (Waddell)Maricopa, AZ
2 freqs · 1 control
851.4125Ctrl853.1125
008 (8)S120-8 Phoenix HQMaricopa, AZ
2 freqs · 1 control
851.100Ctrl853.600
009 (9)S120-9 Thompson PeakMaricopa, AZ
2 freqs · 1 control
853.4625Ctrl851.8875
010 (A)S120-10 Newman PeakPinal, AZ
2 freqs
851.100852.5625
011 (B)S120-11 Pan QuemadoPima, AZ
2 freqs
851.8875853.600
012 (C)S120-12 Helmet PeakPima, AZ
2 freqs
851.3875853.1125

Talkgroups

DEC Mode Alpha TagDescriptionTag
16TAqueduct Ops 16Aqueduct Operations 16Business
18TAqueduct Ops 18Aqueduct Operations 18Business