How to Upgrade an Old Septic System | This Old House

17August 2020

Richard Trethewey discusses the modern plan for waste water at the Westerly house.

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The original Westerly house had the most basic of waste water systems, a cesspool. The new construction means the homeowners must upgrade their system. Richard Trethewey meets with engineer Jeff Balch to find out the modern plan for waste water.

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