Carlton Hills Pond G Reservoir Report

Last Updated: December 13, 2025

Carlton Hills Pond G, located in Yamhill, Oregon, is a privately owned water supply dam designed by CH2M HILL and completed in 2008.


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Summary

The dam stands at a height of 24 feet and has a storage capacity of 73 acre-feet. Although it is primarily used for water supply purposes, the dam is also state-regulated and subject to regular inspections by the Oregon Water Resources Department to ensure its safety and compliance with regulations.

Despite being categorized as having a low hazard potential, Carlton Hills Pond G has not been formally rated for its condition. The last inspection in September 2018 indicated that the dam was in satisfactory condition, but a formal assessment was not conducted. The dam does not have an Emergency Action Plan (EAP) in place, and there is limited information available on its risk management measures or guidelines for emergency preparedness.

Carleton Hills Pond G is a vital water resource in the area, providing water supply for the surrounding community. Its location within the Portland District underscores its importance in managing water resources in the region. With its regulated status and ongoing inspections, it serves as a critical infrastructure for ensuring water availability and safety in Yamhill County, Oregon.

Year Completed

2008

Dam Height

24

Primary Dam Type

Earth

Nid Storage

73

Hazard Potential

Low

Nid Height

24
       
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.