Wee Wee Reservoir Report

Last Updated: December 5, 2025

Wee Wee is a privately owned earth dam located in Laramie, Wyoming, with a primary purpose of irrigation.


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Summary

Constructed in 1991, this structure stands at a height of 32 feet and has a storage capacity of 217 acre-feet. The dam, designed by JAMES D. VOOLIER, spans 1500 feet and is situated on the HAD ROAST BEEF DRAW river or stream.

Despite being categorized as having a low hazard potential, Wee Wee is subject to state regulation, inspection, and enforcement. Its last inspection in June 2021 deemed its condition as fair, with an inspection frequency of every 5 years. The risk assessment for this dam is considered high, with emergency action plans and inundation maps still pending preparation and review.

Water resource and climate enthusiasts would find Wee Wee to be an intriguing structure due to its unique location, purpose, and risk profile. Its significant storage capacity and design details provide valuable insights into the management of water resources in the region. With its regulatory compliance and risk assessment considerations, Wee Wee serves as a compelling case study for understanding the intersection of infrastructure, environment, and safety in the context of water management.

Year Completed

1991

Dam Length

1500

Dam Height

29

River Or Stream

HAD ROAST BEEF DRAW

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

29

Drainage Area

0.1

Nid Storage

217

Structural Height

32

Outlet Gates

Valve - 2

Hazard Potential

Low

Foundations

Soil

Nid Height

32
       
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.