Middle Pond

Cider Hill Creek· York, Maine· Built 1901· Concrete· 35 ft tall
Significant Hazard Water Supply Public Utility

Key Takeaway

Middle Pond is classified as significant hazard in Maine. It was completed in 1901 and is 125 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 35 ft (taller than 91.5% in ME)
Dam Length517 ft
Dam TypeConcrete
Max Storage920 acre-ft
Normal Storage920 acre-ft
Surface Area77 acres
Drainage Area1 sq mi
Year Completed1901 (125 years old)
Year Modified1993
NID IDME00190

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: November 30, 2017
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Kittery Water District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Middle Pond?

Middle Pond is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Middle Pond?

Middle Pond is owned by Kittery Water District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Middle Pond built?

Middle Pond was completed in 1901, making it 125 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 Middle Pond?

Middle Pond serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Middle Pond?

Middle Pond has a dam height of 35 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 Middle Pond last inspected?

Middle Pond was last inspected on November 30, 2017. 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.