Ocean Outfalls & Intake Structures

Nearshore Currents & Waves, Water Circulation Patterns, Water Temperatures, Intake Risers, and Outfall Discharge/Intake Design

 

Marina Outfall Line

Marin, CA

NCI performed underwater diver inspection of a deteriorating outfall line with three diffuser sections located in about the 60-foot water depth. Diver inspection verified that the outward 600 feet of outfall line was plugged with sand and that effluent was discharging through a minimum of two holes in the outfall. Services included recommended repair work and repair costs to keep the outfall operating as reasonably as possible until the District ties into a newer outfall to the north.

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