North Ranch Storage Lagoon

North Ranch Storage Lagoon is an earth dam located in Mason County, Washington, built in 2018. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About North Ranch Storage Lagoon

North Ranch Storage Lagoon is a dam in Mason, Washington. The dam is owned by Bio-recycling Corp. (private). It impounds the Tr. Cranberry Creek- Offstream.

The dam stands 18 feet tall, creates a reservoir covering 1 acres, and has a maximum storage capacity of 21 acre-feet. Completed in 2018, the structure is relatively new.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/13/2018.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyMason
River/StreamTr. Cranberry Creek- Offstream
Coordinates47.31214, -123.10787

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Year Completed2018 (8 years old)

Storage & Hydraulics

NID Storage21 acre-ft
Max Storage21 acre-ft
Normal Storage20 acre-ft
Surface Area1 acres

Ownership & Safety

PurposeOther
OwnerBio-Recycling Corp.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/13/2018
Emergency Action PlanYes

Identifiers

NID IDWA01824
Federal IDWA01824
More InfoState Dam Safety Program

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