Batavia Kill Watershed Dam #3 Reservoir Report

Last Updated: December 7, 2025

Batavia Kill Watershed Dam #3, also known as Nauvoo Rd Dam, is a critical flood risk reduction structure located in Windham, New York.


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Summary

Built in 1970 by the USDA NRCS, this earth dam stands at a height of 63 feet and spans 1100 feet, with a maximum storage capacity of 1415 acre-feet. The dam is situated on the TR-BATAVIA KILL river and serves the primary purpose of flood risk reduction for the surrounding area.

Managed by the local government and regulated by the NYS DEC, Batavia Kill Watershed Dam #3 has a high hazard potential and undergoes regular inspections to ensure its structural integrity. The dam features an uncontrolled spillway with a width of 265 feet and a maximum discharge capacity of 17,600 cubic feet per second. Despite its satisfactory condition assessment in 2016, the dam is considered to have a moderate risk level and is monitored closely to implement necessary risk management measures.

With its significant role in protecting the community from flooding events, Batavia Kill Watershed Dam #3 stands as a vital infrastructure within the Greene County region of New York. Its strategic location, design, and operational protocols highlight the collaborative efforts between federal and state agencies to safeguard the local environment and residents from potential water-related disasters.

Year Completed

1970

Dam Length

1100

Dam Height

63

River Or Stream

TR-BATAVIA KILL

Primary Dam Type

Earth

Surface Area

5

Drainage Area

3.6

Nid Storage

1415

Hazard Potential

High

Nid Height

63
       
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.