Northglenn Terminal

Northglenn Terminal is an earth dam located in Adams County, Colorado, built in 1981. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Northglenn Terminal

The primary purpose of Northglenn Terminal is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Northglenn (kent Kisselman) (local government). It impounds the Big Dry Creek-os near Westminster.

The dam stands 28 feet tall and stretches 1,660 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 147 acre-feet. Completed in 1981, the structure is 45 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/20/2022.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateColorado
CountyAdams
Nearest CityWestminster
River/StreamBig Dry Creek-os
Coordinates39.89789, -105.01300

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height21 ft
Dam Length1,660 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage147 acre-ft
Max Storage147 acre-ft
Normal Storage120 acre-ft
Surface Area9 acres
Max Discharge389 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF NORTHGLENN (KENT KISSELMAN)
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection04/20/2022
Emergency Action PlanYes

Identifiers

NID IDCO02247
Federal IDCO02247
More InfoState Dam Safety Program

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