South Bank Dairy Lagoon Dam

South Bank Dairy Lagoon Dam is an earth dam located in Lewis County, Washington, built in 1980. It carries a Low hazard potential classification.

About South Bank Dairy Lagoon Dam

South Bank Dairy Lagoon Dam is a dam in Lewis, Washington. The dam is owned by South Bank Dairy (private).

The dam stands 40 feet tall, and has a maximum storage capacity of 22 acre-feet. Completed in 1980, the structure is 46 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/28/2009. That was over 16 years ago.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateWashington
CountyLewis
Coordinates46.51898, -123.12728

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage22 acre-ft
Max Storage22 acre-ft
Normal Storage17 acre-ft

Ownership & Safety

PurposeOther
OwnerSouth Bank Dairy
Owner TypePrivate
Hazard ClassificationLow
Last Inspection09/28/2009
Emergency Action PlanNot Required

Identifiers

NID IDWA02006
Federal IDWA02006
More InfoState Dam Safety Program

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