Gardiner Pond Reservoir Report

Last Updated: December 17, 2025

Gardiner Pond, located in Middletown, Rhode Island, serves as a vital water supply source for the area.


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Summary

This rockfill dam, completed in 1885, stands at a height of 20 feet and has a storage capacity of 1350 acre-feet. With a surface area of 102 acres and a drainage area of 2 square miles, Gardiner Pond plays a crucial role in providing water for the community.

However, despite its importance, the dam's condition assessment has been rated as poor, with a high hazard potential. The last inspection in 2013 revealed the need for improvement in its maintenance and infrastructure. With a history of being regulated by state agencies such as DS and CRMC, there is a pressing need for regular inspections and enforcement to ensure the safety and functionality of Gardiner Pond as a water source.

Efforts must be made to address the poor condition of Gardiner Pond and mitigate risks associated with its dam. Climate enthusiasts and water resource experts should advocate for necessary repairs and enhancements to safeguard this crucial water supply for the community. With proper maintenance and oversight, Gardiner Pond can continue to fulfill its role in providing clean and reliable water for Middletown and surrounding areas.

Year Completed

1885

Dam Length

7700

Dam Height

20

River Or Stream

MAIDFORD BROOK

Primary Dam Type

Rockfill

Surface Area

102

Hydraulic Height

9

Drainage Area

2

Nid Storage

1350

Structural Height

12

Hazard Potential

High

Nid Height

20
       
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.