Berg Vault


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Septic Tanks


A septic tank is the first component in an on-site septic system and is critical in the proper treatment of your wastewater.

We manufacture concrete septic tanks and offer plastic septic tanks as an alternative to concrete tanks.

Precast Concrete Tank Drawings

Tanks manufactured in Mount Vernon are shown here.
For tanks manufactured on Whidbey Island please contact us for those measurements.

400 Gallon Tanks

750 Gallon Tanks

1000 Gallon Tanks

1250 Gallon Tanks

1500 Gallon Tanks

1750 Gallon Tanks

3000 Gallon Tanks





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