Meacham Lake Dam Reservoir Report

Last Updated: December 29, 2025

Meacham Lake Dam, also known as Beaver Creek Dam, is a privately owned structure located in Umatilla, Oregon.


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Summary

This earth dam sits on Beaver Creek, a tributary of Meacham Creek, with a dam height of 14 feet and a storage capacity of 160 acre-feet. The dam is designed by KRUMBEIN and is regulated by the Oregon Water Resources Department, with state permitting, inspection, and enforcement in place.

With a significant hazard potential and a moderate risk assessment rating of 3, Meacham Lake Dam plays a crucial role in water resource management in the region. The dam has an uncontrolled spillway and is equipped with slide gates for outlet control. Although the dam's condition assessment is currently rated as "Not Rated," regular inspections are conducted, with the last inspection taking place in December 2020. The dam's emergency action plan status and risk management measures are not provided in the data.

Water resource and climate enthusiasts interested in the operational details and risk factors associated with Meacham Lake Dam would find this information valuable. The dam's location, design characteristics, and regulatory oversight highlight its importance in flood control and water storage for the surrounding area. Further assessment of the dam's condition and emergency preparedness measures would be beneficial for ensuring the safety and sustainability of this critical infrastructure.

Dam Height

14

River Or Stream

BEAVER CREEK, TRIB/MEACHAM CK

Primary Dam Type

Earth

Drainage Area

7.6

Nid Storage

160

Outlet Gates

Slide (sluice gate)

Hazard Potential

Significant

Nid Height

14
       
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.