La Ronge, Saskatchewan Services Portal

Bid: Downstream User Impact Study for the Wastewater Treatment Plant

Bid details: Downstream User Impact Study for the Wastewater Treatment Plant

ID: MO-2021-09

Title: Downstream User Impact Study for the Wastewater Treatment Plant

Bid Start Date : Oct. 1, 2021, noon

BidEnd Date: Oct. 14, 2021, noon

Status: Closed

Active: True

Submittal Info: Sagar Aryal - Director of Municipal


The Town has existing Wastewater Treatment Plant (WWTP) at the North/East end of Bedford Drive. The Town is collecting sewage into WWTP by various sewage pump stations. The collected sewage is treated by sequencing batch reactor process (see details in attached document). Treated effluent is being monitored and disposed to the land close to WWTP. The town has effluent quality and quantity data for past many years. The Town has planned to perform downstream users impact study (DUIS). A DUIS has to identify effluent discharge objectives that differ from those listed in the regulations, and may identify parameters (such as phosphorus, industrial contamination, etc.) that are not listed in the regulations but may have a significant impact on downstream lands/waters Town is seeking bids/quotes to complete the study within six months. The DUIS to be submitted to the WSA which would involve an environmental assessment of the receiving stream body. This DUIS would make recommendations to the WSA of proposed effluent criteria limits, that if accepted by the WSA could become the limits as set in the operating license. Please see attached information for existing WWTP and effluent discharge. The Consultant bidding for this project should have previous similar work experience. Strong recommendations from past project (effluent release projects with Town or with other municipalities) will be great asset.


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