Johnson

Johnson is an earth dam located in Larimer County, Colorado, built in 1944. It carries a Low hazard potential classification.

About Johnson

The primary purpose of Johnson is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Debbi Pinardi (pinardi, Debby) (private). It impounds the Slough Creek-tr near Woods Landing Wyoming.

The dam stands 8 feet tall and stretches 450 feet across, creates a reservoir covering 44 acres, and has a maximum storage capacity of 573 acre-feet. Completed in 1944, the structure is well-established, with more than 75 years of service.

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 05/14/2021.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateColorado
CountyLarimer
Nearest CityWoods Landing Wyoming
River/StreamSlough Creek-tr
Coordinates40.94667, -106.01057

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length450 ft
Year Completed1944 (82 years old)

Storage & Hydraulics

NID Storage573 acre-ft
Max Storage573 acre-ft
Normal Storage133 acre-ft
Surface Area44 acres
Max Discharge2,600 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerDEBBI PINARDI (PINARDI, DEBBY)
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/14/2021
Emergency Action PlanNot Required

Identifiers

NID IDCO00375
Federal IDCO00375
More InfoState Dam Safety Program

Nearby Dams