Sanborn Pond

TR - Passagassa River· Waldo, Maine· Built 1876· Concrete· 8 ft tall

Key Takeaway

Sanborn Pond is classified as low hazard in Maine. It was completed in 1876 and is 150 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 8 ft (taller than 4.6% in ME)
Dam Length145 ft
Dam TypeConcrete
Max Storage280 acre-ft
Normal Storage245 acre-ft
Surface Area98 acres
Drainage Area0 sq mi
Year Completed1876 (150 years old)
Year Modified1920
NID IDME00523

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: May 9, 2011
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

John Boynton

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sanborn Pond?

Sanborn Pond is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sanborn Pond?

Sanborn Pond is owned by John Boynton (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sanborn Pond built?

Sanborn Pond was completed in 1876, making it 150 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Sanborn Pond?

Sanborn Pond serves the following purposes: Fish And Wildlife Pond, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sanborn Pond?

Sanborn Pond has a dam height of 8 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Sanborn Pond last inspected?

Sanborn Pond was last inspected on May 9, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.