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Tour of Annacis Island Wastewater Treatment Plant

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Annacis Island Wastewater Treatment Plant

1299 Derwent Way

Delta, BC V3M 5V9

Canada

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PLEASE NOTE:
FOR SAFETY REASONS, NO OPEN TOE SHOES OR HIGH HEELS TO BE WORN ON SITE.

  • Safety vests & hard hats are required (they will be provided, or you may bring your own).
  • Be prepared to be outside for a walking tour, rain or shine.
  • Parking is available in the “Visitor Parking” area, or, if the “Visitor Parking” is full, you may park in the Parking Lot on your left as you enter through the main gate.
  • Please follow the signs to “Administration” (the left side of the building straight ahead as you enter through the main gate).
  • Additional Wastewater Collection & Treatment information can be found at http://www.metrovancouver.org/services/liquid-waste/Pages/default.aspx

Abstract:
The Annacis Island wastewater treatment plant treats about 175 billion litres of wastewater every year. Located in Delta at 1299 Derwent Way, the plant provides secondary treatment to wastewater for over 1 million residents in 14 municipalities. Once treated, wastewater is discharged into the Fraser River.

Treatment standards:

The wastewater treatment plant is regulated through an operating certificate issued by the BC Ministry of Environment. The treated wastewater that is discharged from the plant is required to meet standards for biochemical oxygen demand and total suspended solids, which each must not exceed 45 mg/L. On most days, the plant’s effluent contains less than 15 mg/L for biochemical oxygen demand and 15 mg/L for total suspended solids.

Recovering resources from wastewater:

The plant uses anaerobic digestion to break down organic materials from wastewater to produce biosolids and methane gas. The methane from this process is then used to generate heat and electricity that is used to run the plant. The Annacis Island plant produces enough energy to meet all of its own heat requirements and about 50% of its electricity requirements. This reduces its greenhouse gas emissions by 660 tonnes every year. The plant produces about 42,500 bulk tonnes of biosolids every year.

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Date and Time

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Annacis Island Wastewater Treatment Plant

1299 Derwent Way

Delta, BC V3M 5V9

Canada

View Map

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