Jack Williams

Jack Williams is an earth dam located in Las Animas County, Colorado, built in 1965. It carries a Low hazard potential classification.

About Jack Williams

The primary purpose of Jack Williams is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Jack Williams (private). It impounds the Tejana Arroyo near Manzanola.

The dam stands 32 feet tall and stretches 580 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 179 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1965, the structure is well into its service life at over 50 years 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 02/13/1992. That was over 34 years ago.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyLas Animas
Nearest CityManzanola
River/StreamTejana Arroyo
Coordinates37.59168, -104.44057

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height20 ft
Dam Length580 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage179 acre-ft
Max Storage179 acre-ft
Normal Storage94 acre-ft
Surface Area17 acres
Drainage Area6 sq mi
Max Discharge7,200 cfs
Spillway TypeNone

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerJACK WILLIAMS
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection02/13/1992
Emergency Action PlanNot Required

Identifiers

NID IDCO00528
Federal IDCO00528
More InfoState Dam Safety Program

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