Hodgson-Harris Reservoir Report

Last Updated: December 5, 2025

Hodgson-Harris, a private-owned structure located in Boulder, Colorado, is a significant water resource for the area.


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Summary

This earth-type dam, completed in 1906, serves as a Fish and Wildlife Pond with a storage capacity of 168 acre-feet. The dam stands at a height of 23 feet, with a spillway width of 10 feet, and a maximum discharge capacity of 275 cubic feet per second. Despite its age, the dam is well-maintained and has a low hazard potential, with a satisfactory condition assessment as of the last inspection in February 2019.

The dam on Hodgson-Harris is regulated by the state of Colorado, with the Department of Water Resources overseeing permitting, inspection, and enforcement activities. The structure plays a crucial role in managing surface water resources, with a normal storage capacity of 112 acre-feet and serving as a habitat for fish and wildlife in the area. The risk assessment for Hodgson-Harris indicates a moderate risk level, emphasizing the importance of continued monitoring and risk management measures to ensure the safety and functionality of the dam for the surrounding community.

Situated on the Rock Creek-TR stream, Hodgson-Harris contributes to the overall water management infrastructure in the region, providing essential resources for both ecological and recreational purposes. With its historical significance and ongoing regulatory oversight, Hodgson-Harris remains a vital component of the water resource landscape in Boulder, Colorado, highlighting the intersection of water conservation, climate resilience, and environmental stewardship in the area.

Year Completed

1906

Dam Length

600

Dam Height

23

River Or Stream

ROCK CREEK-TR

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

20

Nid Storage

168

Structural Height

23

Hazard Potential

Low

Nid Height

23
       
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
Hodgson-HarrisTipi Village Preview Tipi Village
Hodgson-HarrisStandley Lake Preview Standley Lake
Hodgson-HarrisCamp Patiya Preview Camp Patiya