Chartley Pond Dam Reservoir Report

Last Updated: December 20, 2025

Chartley Pond Dam, located in Norton, Massachusetts, was completed in 1696 and serves as a recreational spot for water resource and climate enthusiasts.


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Summary

The dam, with a height of 11.5 feet and a hydraulic height of 7.5 feet, holds a maximum storage capacity of 633 acre-feet, with a normal storage capacity of 451 acre-feet. The dam overlooks Chartley Brook and has a surface area of 90 acres, providing a picturesque setting for outdoor activities.

This Rockfill dam, primarily used for recreation, is regulated by the Department of Conservation and Recreation in Massachusetts. Despite being classified with a "High" hazard potential, the dam is currently in fair condition, as assessed in August 2020. With a drainage area of 6.49 square miles, the dam offers moderate risk management measures and is subject to regular inspections every two years to ensure its safety. Its historical significance, dating back to the 17th century, adds to the charm of this unique water resource.

Chartley Pond Dam's location in Bristol County, Massachusetts, and its association with Chartley Brook make it a valuable asset for the community and a significant feature for water resource and climate enthusiasts. Its long history, combined with its recreational purpose and scenic surroundings, make it a popular destination for outdoor enthusiasts looking to appreciate the beauty of nature while also recognizing the importance of maintaining and safeguarding water resources in the face of changing climate conditions.

Year Completed

1696

Dam Length

250

Dam Height

11.5

River Or Stream

CHARTLEY BROOK

Primary Dam Type

Rockfill

Surface Area

90

Hydraulic Height

7.5

Drainage Area

6.49

Nid Storage

633

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

12
       
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.