Wommer #1 Reservoir Report

Last Updated: December 5, 2025

Wommer #1, also known as Lake Simpatico or Forest Lake, is a privately owned dam located in La Plata, Colorado.


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Summary

This earth dam was completed in 1952 and primarily serves the purpose of water supply, with additional benefits for fish and wildlife conservation, recreation, and irrigation. The dam stands at a height of 35 feet and has a storage capacity of 290 acre-feet, with a surface area of 17 acres.

Managed by the Natural Resources Conservation Service, Wommer #1 has state-regulated inspections, permitting, and enforcement in place to ensure its safety and compliance with regulations. The dam has an uncontrolled spillway type and is equipped with a slide gate outlet. While the hazard potential is rated as high, the condition assessment is fair as of the last inspection in July 2019. With a moderate risk assessment score of 3, the dam is monitored for any necessary risk management measures to mitigate potential issues.

Located near the WOMMER DRAW-TR river or stream in the Albuquerque District, Wommer #1 is a vital part of the local water infrastructure in Colorado. Its role in water supply and environmental conservation underscores the importance of maintaining and monitoring such structures for the benefit of both ecosystems and communities in the region.

Year Completed

1952

Dam Length

545

Dam Height

35

River Or Stream

WOMMER DRAW-TR

Primary Dam Type

Earth

Surface Area

17

Hydraulic Height

35

Nid Storage

290

Structural Height

38

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

High

Nid Height

38
       
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.