Knight

Knight is a concrete dam located in Montgomery County, Pennsylvania, built in 1960. It carries a High hazard potential classification and has a fair condition assessment.

About Knight

The primary purpose of Knight is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Montgomery County Commissioners, Parks And Heritage Services (local government). It impounds the Perkiomen Creek.

The dam stands 22 feet tall and stretches 415 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 479 acre-feet, and collects water from a drainage area of 94 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/13/2020.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Pennsylvania dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyMontgomery
River/StreamPerkiomen Creek
Coordinates40.33333, -75.48167

Physical Characteristics

Dam TypeConcrete
NID Height22 ft
Dam Height22 ft
Dam Length415 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage479 acre-ft
Max Storage479 acre-ft
Normal Storage170 acre-ft
Surface Area34 acres
Drainage Area94 sq mi

Ownership & Safety

PurposeRecreation
OwnerMONTGOMERY COUNTY COMMISSIONERS, PARKS AND HERITAGE SERVICES
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/13/2020
Emergency Action PlanYes

Identifiers

NID IDPA00395
Federal IDPA00395
More InfoState Dam Safety Program

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