Andorra Springs Basin B

Andorra Springs Basin B is an earth dam located in Montgomery County, Pennsylvania. It carries a High hazard potential classification and has a fair condition assessment.

About Andorra Springs Basin B

The primary purpose of Andorra Springs Basin B is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by The Reserve At Lafayette Hill Hoa (private). It impounds the Tr Schuylkill River.

The dam stands 16 feet tall and stretches 1,000 feet across, has a maximum storage capacity of 14 acre-feet, and collects water from a drainage area of 0 square miles.

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 04/28/2020.

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/StreamTr Schuylkill River
Coordinates40.07833, -75.26972

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height16 ft
Dam Length1,000 ft

Storage & Hydraulics

NID Storage14 acre-ft
Max Storage14 acre-ft
Drainage Area0 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerTHE RESERVE AT LAFAYETTE HILL HOA
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/28/2020
Emergency Action PlanYes

Identifiers

NID IDPA01448
Federal IDPA01448
More InfoState Dam Safety Program

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