Levees / By county / Pima County, AZ

Levee systems in Pima County, AZ

28 systems on the federal register here, with 45,760 people recorded behind them.

SystemLocationAccreditationPeopleLength
Tucson Diversion Channel 6Tucson, Pima County, ArizonaNo Regulatory Flood Hazard Information Published by FEMA19,8492.11 miles
Lower Santa Cruz LeveeMarana, Pima County, ArizonaAccredited8,8976.98 miles
Canada del Oro 2Oro Valley, Pima County, ArizonaAccredited4,8222.70 miles
Sotamayor RanchCasas Adobes, Pima County, ArizonaAccredited3,4480.27 miles
Camino Real Wash FloodwallCatalina Foothills, Pima County, ArizonaNon-Accredited1,666Not published
Saint Mary’s Hospital FloodwallTucson, Pima County, ArizonaAccredited1,398Not published
Tucson Diversion Channel 4Tucson, Pima County, ArizonaNon-Accredited1,2110.13 miles
Big WashOro Valley, Pima County, ArizonaAccredited8981.03 miles
Canada del Oro 1Oro Valley, Pima County, ArizonaAccredited7302.19 miles
Tucson Diversion Channel 3Tucson, Pima County, ArizonaNon-Accredited6090.14 miles
Agua Caliente Spur DikeTanque Verde, Pima County, ArizonaAccredited4420.88 miles
Mission West FloodwallDrexel Heights, Pima County, ArizonaNon-Accredited420Not published
Santa Cruz Upstream of Grant RoadTucson, Pima County, ArizonaAccredited3032.22 miles
Canyon Shadows LeveeOro Valley, Pima County, ArizonaAccredited2880.43 miles
Roger Road Wastewater Treatment Plant Levee OR Sweetwater LeveeTucson, Pima County, ArizonaAccredited2302.15 miles
Tucson Diversion Channel 1South Tucson, Pima County, ArizonaNon-Accredited1560.18 miles
Casas Adobes West Bank LeveeCasas Adobes, Pima County, ArizonaAccredited940.19 miles
Tucson Diversion Channel 7Tucson, Pima County, ArizonaNon-Accredited670.33 miles
Canada Del Oro (Logan's Crossing)Oro Valley, Pima County, ArizonaAccredited560.09 miles
Avra Valley Road LeveeMarana, Pima County, ArizonaAccredited530.61 miles
Agua Caliente LeveeTanque Verde, Pima County, ArizonaAccredited480.44 miles
Cushing Street FloodwallTucson, Pima County, ArizonaNon-Accredited48Not published
Cochie Canyon LeveeMarana, Pima County, ArizonaAccredited100.34 miles
Pinal County Levee 1Marana, Pima County, ArizonaNon-Accredited101.47 miles
Rams Canyon Levee EastOro Valley, Pima County, ArizonaAccredited70.31 miles
Casas Adobes East Bank LeveeCasas Adobes, Pima County, ArizonaNon-Accredited00.03 miles
Tucson Diversion Channel 2Tucson, Pima County, ArizonaNon-Accredited0Not published
Tucson Diversion Channel 5Tucson, Pima County, ArizonaNon-Accredited0Not published

Source: USACE National Levee Database, refreshed 2026-09-10.