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Coconino is a state-regulated dam located in Coconino County, Arizona, specifically in the city of Sunrise. Built in 1954, this dam serves a primary purpose as a fish and wildlife pond, with additional functions for recreation. It is an earth-type dam with a height of 30 feet and a length of 707 feet, holding a maximum storage capacity of 361 acre-feet and a normal storage of 255 acre-feet. The dam is situated on Ashurst Run and has a drainage area of 12.46 square miles, with a spillway width of 120 feet for uncontrolled discharge.
Despite being classified as having a low hazard potential, Coconino poses a moderate risk according to the latest assessment. It has not been rated for its condition, and the last inspection was conducted in August 2018, with a scheduled frequency of once every 5 years. The dam has not had any modifications in recent years, and there are no emergency action plans in place or inundation maps prepared. The regulatory oversight and enforcement of Coconino fall under the Arizona Department of Water Resources, ensuring compliance with state permitting, inspection, and enforcement requirements for the safety of the surrounding community and environment.
Year_Completed | 1954 |
Dam_Height | 30 |
River_Or_Stream | ASHURST RUN |
Dam_Length | 707 |
Primary_Dam_Type | Earth |
Surface_Area | 30.7 |
Hydraulic_Height | 30 |
Drainage_Area | 12.46 |
Nid_Storage | 361 |
Structural_Height | 38.5 |
Hazard_Potential | Low |
Foundations | Rock, Soil |
Nid_Height | 39 |
VERDE RIVER NEAR CLARKDALE | 68cfs |
WET BOTTOM CREEK NEAR CHILDS | 1cfs |
OAK CREEK NEAR SEDONA | 35cfs |
OAK CREEK NEAR CORNVILLE | 45cfs |
WET BEAVER CREEK NEAR RIMROCK | 7cfs |