Williams-mccreery

Williams-mccreery is an earth dam located in Morgan County, Colorado, built in 1910. It carries a Low hazard potential classification.

About Williams-mccreery

The primary purpose of Williams-mccreery is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Colorado State Land Board, North Central Dst (broo (state). It impounds the San Arroyo Creek near Fort Morgan.

The dam stands 51 feet tall and stretches 3,800 feet across, creates a reservoir covering 298 acres, has a maximum storage capacity of 23,500 acre-feet, and collects water from a drainage area of 69 square miles. Completed in 1910, the structure is over a century old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 05/20/2021.

At 51 feet, this dam is taller than 93% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyMorgan
Nearest CityFort Morgan
River/StreamSan Arroyo Creek
Coordinates40.05366, -103.88261

Physical Characteristics

Dam TypeEarth
NID Height51 ft
Dam Height51 ft
Dam Length3,800 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage23,500 acre-ft
Max Storage23,500 acre-ft
Normal Storage1,924 acre-ft
Surface Area298 acres
Drainage Area69 sq mi
Max Discharge51,990 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerCOLORADO STATE LAND BOARD, NORTH CENTRAL DST (BROO
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/20/2021
Emergency Action PlanNot Required

Identifiers

NID IDCO01994
Federal IDCO01994
More InfoState Dam Safety Program

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