Wastewater Systems Effluent Regulations: important dates

January 1, 2013

Effluent quality and quantity monitoring begins; Combined Sewer Overflow (CSO) recording begins; record keeping and reporting requirements are in force.

Application for ammonia temporary authorizations may be submitted.

May 15, 2013

Deadline to submit identification report for wastewater systems in operation on January 1, 2013.

Deadline to submit first quarterly monitoring report (if subject to quarterly reporting).

Note: quarterly monitoring reports are due within 45 days after the end of each quarter.

February 14, 2014

Deadline to submit first annual monitoring report (if subject to annual reporting).

Note: annual reports are due by February 14 of each subsequent calendar year.

February 15, 2014

Deadline to submit first CSO report.

Note: annual reports are due by February 15 of each subsequent calendar year.

June 30, 2014

Deadline to apply for Transitional Authorization (TA).

Ammonia monitoring ends except for those with temporary authorizations for ammonia.

January 1, 2015

Effluent quality standards and limits in TAs are in force

Exception: Total Residual Chlorine (TRC) standard for < 5 000 m³/day wastewater systems.

Application for temporary bypass authorizations may be submitted.

Acute lethality monitoring begins for wastewater systems that already meet the effluent quality standards.

June 30, 2017

Deadline to submit the progress report for wastewater systems with a TA expiry date of December 31, 2020.

June 30, 2020

Deadline to submit the first progress report for wastewater systems with TA expiry dates of December 31, 2030 and December 31, 2040.

December 31, 2020

Deadline for wastewater systems with TA expiry date of December 31, 2020 to meet the effluent quality standards for CBOD and SS.

January 1, 2021

TRC standard for < 5 000 m³/day wastewater systems comes into force.

June 30, 2025

Deadline to submit the second progress report for wastewater systems with TA expiry dates of December 31, 2030 and December 31, 2040.

June 30, 2030

Deadline to submit the third progress report for wastewater systems with TA expiry date of December 31, 2040.

December 31, 2030

Deadline for wastewater systems with TA expiry date of December 31, 2030 to meet the effluent quality standards for CBOD and SS.

June 30, 2035

Deadline to submit the fourth progress report for wastewater systems with TA expiry date of December 31, 2040.

December 31, 2040

Deadline for wastewater systems with TA expiry date of December 31, 2040 to meet effluent quality standards for CBOD and SS.

This document is intended to provide guidance only by reviewing some of the provisions of the Wastewater Systems Effluent Regulations (WSER). This document is not a substitute for reading the WSER and does not in any way supersede or modify the Fisheries Act or the WSER. In the event of an inconsistency between this document and the Act and/or the WSER, the Act and the WSER prevail. Individuals with specific legal problems are urged to seek advice from legal counsel.

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