AZ82929 - New Waddell Dam


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New Waddell Dam


	Statistics

General

Region (Map) ......... Lower Colorado
State (Map) .............. Arizona

County ...................... Maricopa

Project: ...................... Central Arizona
Dam type: ................. Earthfill

Location: .................. 35 mi from Gila confluence

Watercourse: ........... Agua Fria River

Reservoir: ................. New Lake Pleasant

Construction Date: ..1987-1992

National ID Number ..... AZ82929

Hydrologic Unit Code ....

Dimensions

Crest Elevation of Dam: ..................... 1728.0 ft
Structural Height of Dam: ................... xxxx.0 ft
Crest Length: ....................................... 4900.0 ft
Top of Joint Use: .................................1702.0 ft
Top of Active Conservation: ............ 1694.0 ft
Top of Inactive Conservation: .......... 1552.0 ft
Spillway Crest: ..................................... 1706.5 ft
Top of Dead Storage: ......................... 1506.0 ft¹
Streambed at Dam Axis : .................... 1430.0 ft

¹ Projected 100-year sediment level at New Waddel Dam. Outlets placed at 100-year sediment level

Hydraulics

Normal Water Surface Elev: ............... 1694.0 ft
Hydraulic Height: .................................. 264.0 ft
Service Spillway Type:

Uncontrolled Crest ................................Yes

Morning-Glory ........................................... No
Crest Length ....................................... 590 ft
Gated ...................................................... No

Capacity at Elev: 1706.5 ft, 187,000 cfs

Auxiliary Spillway ....................................... Yes

Capacity at Elev. 1725.0 ft, 129,000 cfs

Outlet Works Capacity at

Elevation __ ft., ...................... 600 cfs

Hydrology

Drainage Area: .............................. 1459.0 sq mi

Hydrometeorological Report HMR 49

Flood Type: ................................ Summer Type

Storm Duration: ....................................... 72 hrs

Probable Maximum Flood (PMF) Report:

Peak Inflow: ................................... 493,400 cfs

Inflow Volume: ........................ 688,500 acre-ft

Flow Duration: ................................... 7.3 days

PMF Routing MWS Elev.: ...................... N/A

Initial Routing Elev: ........................... 1601.2 ft

Study Date: ...................................... April 1981

Power Generation

Power Generation at Dam Site - None

Bureau of Reclamation Power Program

Narration

Geology

Regional geology

New Waddell Dam and reservoir are on the southern boundary of the Transition Zone between the Colorado Plateau and the Basin and Range physiographic provinces. Regional topography is comprised of mesas and ragged to rounded hills separated by deep alluvium-filled basins.

Links

| Recreation | NA

| Dams Located by State | USBR Arizona Dams | Lower Colorado Region Dams |

| Owner: Bureau of Reclamation, Phoenix Area Office,
PO Box 81169, Phoenix, AZ 85069-1169, (602) 216-3999

| Operator: Central Arizona Water Conservation District,
PO Box 43020, Phoenix, AZ 85080-3020, (602) 869-2333