J. J. Huddart No. 1 Reservoir Report

Last Updated: December 5, 2025

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Summary

J. Huddart No. 1, also known as Hanks or Lacamora, is a local government-owned irrigation dam located in Lafayette, Colorado. Built in 1962 by the USDA NRCS, this earth dam stands at a height of 20 feet with a hydraulic height of 25 feet, serving the primary purpose of irrigation. With a storage capacity of 42 acre-feet and a maximum discharge of 150 cubic feet per second, this dam plays a vital role in managing water resources in the region.

Situated on Rock Creek in Broomfield County, J. J. Huddart No. 1 is regulated by the Colorado Department of Water Resources (DWR) and is under state jurisdiction for permitting, inspection, and enforcement. Despite being rated as low hazard potential and not yet assessed for condition, this dam presents a moderate risk (3 out of 5) due to its age and design characteristics. While it does not have an emergency action plan or inundation maps prepared, the dam meets regulatory guidelines and is equipped with an uncontrolled spillway to manage excess water flow.

Although not owned or funded by federal agencies, J. J. Huddart No. 1 is an essential water infrastructure managed by local authorities for agricultural irrigation purposes. With its strategic location and operational history since the 1960s, this dam continues to contribute to the sustainable management of water resources in the area, ensuring a reliable water supply for the surrounding community.

Year Completed

1962

Dam Length

250

Dam Height

20

River Or Stream

ROCK CREEK-TR

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

25

Nid Storage

42

Structural Height

25

Hazard Potential

Low

Nid Height

25
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
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Area Campgrounds

Location Reservations Toilets
J. J. Huddart No. 1Tipi Village Preview Tipi Village
J. J. Huddart No. 1Standley Lake Preview Standley Lake
J. J. Huddart No. 1Camp Patiya Preview Camp Patiya