Owners and operators: continuously discharging wastewater systems
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.
1. The requirements set out in the following two tables apply to owners and operators of continuously discharging wastewater systems that are subject to the WSER.
January 1, 2013 - May 15, 2013
Identification Report |
|
| Information required |
|
| Identification report due | May 15, 2013 or within 45 days after the wastewater system comes into operation |
| Change of information | within 45 days after the change |
January 1, 2013 - December 31, 2014
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Daily volume determination | continuous measure of influent or effluent volume or measure rate of influent or effluent flow | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Type of sample | composite or grab | composite | composite | composite |
| Sampling frequency | monthly but at least 10 days after any other sample | every 2 weeks but at least 7 days after any other sample | weekly but at least 5 days after any other sample | 3 days per week but at least 1 day after any other sample |
| Averaging period for CBOD and SS | quarter | quarter | month | month |
| CBOD test method | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test |
| SS test method | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test |
| Averaging period for un-ionized ammonia | maximum concentration in the quarter | maximum concentration in the quarter | maximum concentration in the month | maximum concentration in the month |
| Total ammonia test method[ii] | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test |
| pH test method | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Reporting frequency | quarterly | quarterly | quarterly | quarterly |
| Report due | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter |
| First report due | May 15, 2013 | May 15, 2013 | May 15, 2013 | May 15, 2013 |
| Information required | a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
2. Owners and operators of wastewater systems are responsible for determining which of the following additional tables apply to them.
A. Applications for Authorizations
Transitional Authorization |
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| Application due | June 30, 2014 |
Temporary Authorization to Deposit Un-ionized Ammonia (NH3) |
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| May be made starting | January 1, 2013 |
| Initial application period | within 30 days after the determination that the acute lethality of the effluent is primarily because of the concentration of NH3 |
| Application period for extension | at least 90 days before expiry of authorization |
Temporary Bypass Authorization |
|
| May be made starting | January 1, 2015 |
| Application period | at least 45 days before bypass to address:
|
B. Effluent Quality Standards - January 1, 2015 Unless Issued a Transitional or Temporary Authorization
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Daily volume determination | continuous measure of influent or effluent volume or measure rate of influent or effluent flow | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| CBOD (mg/L) | quarterly average ≤ 25 | quarterly average ≤ 25 | monthly average ≤ 25 | monthly average ≤ 25 |
| SS (mg/L) | quarterly average ≤ 25 | quarterly average ≤ 25 | monthly average ≤ 25 | monthly average ≤ 25 |
| Type of sample | composite or grab | composite | composite | composite |
| Sampling frequency | monthly but at least 10 days after any other sample | every 2 weeks but at least 7 days after any other sample | weekly but at least 5 days after any other sample | 3 days per week but at least 1 day after any other sample |
| CBOD test method | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test | 5-day BOD test with nitrification inhibition conducted by a lab accredited to do the test |
| SS test method | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test | total suspended solids test conducted by a laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| TRC (mg/L) | quarterly average ≤ 0.02 | quarterly average ≤ 0.02 | monthly average ≤ 0.02 | monthly average ≤ 0.02 |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| NH3 (mg/L, expressed as nitrogen (N) at 15°C ± 1°C) | maximum concentration in the quarter < 1.25 | maximum concentration in the quarter < 1.25 | maximum concentration in the month < 1.25 | maximum concentration in the month < 1.25 |
| Sampling frequency | not specified | not specified | not specified | not specified |
| Total ammonia test method | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test |
| pH test method | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Acute lethality | non-acutely lethal effluent | non-acutely lethal effluent | non-acutely lethal effluent | non-acutely lethal effluent |
| Sample type | grab | grab | grab | grab |
| Sampling frequency | not specified | quarterly but at least 60 days after any other sample | quarterly but at least 60 days after any other sample | monthly but at least 21 days after any other sample |
| Sampling frequency reduction | not applicable | annually but at least 6 months after any other sample | annually but at least 6 months after any other sample | quarterly but at least 60 days after any other sample |
| Sampling frequency upon failure | twice a month until 3 consecutive passes | twice a month until 3 consecutive passes | twice a month until 3 consecutive passes | twice a month until 3 consecutive passes |
| Procedures | single or multiple concentration with or without pH stabilization | single or multiple concentration with or without pH stabilization | single or multiple concentration with or without pH stabilization | single or multiple concentration with or without pH stabilization |
| Reference Method EPS 1/RM/13 | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. |
| Procedure for pH Stabilization EPS 1/RM/50 | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Reporting frequency | quarterly | quarterly | quarterly | quarterly |
| Report due | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter |
| Information required | a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
| Information required | for each sample for which a determination of acute lethality was made a statement that indicates:
|
for each sample for which a determination of acute lethality was made a statement that indicates:
|
for each sample for which a determination of acute lethality was made a statement that indicates:
|
for each sample for which a determination of acute lethality was made a statement that indicates:
|
C. Transitional Authorization (TA) - January 1, 2015 until December 31, 2020, 2030 or 2040
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Daily volume determination | continuous measure of influent or effluent volume or measure rate of influent or effluent flow | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| CBOD (mg/L) | quarterly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or quarterly average ≤ 25 | quarterly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or quarterly average ≤ 25 | monthly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or monthly average ≤ 25 | monthly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or monthly average ≤ 25 |
| SS (mg/L) | quarterly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or quarterly average ≤ 25 | quarterly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or quarterly average ≤ 25 | monthly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or monthly average ≤ 25 | monthly average ≤ (1.25 x greatest monthly average submitted in the application for TA) if the greatest monthly average in the application was > 20 or monthly average ≤ 25 |
| Type of sample | composite or grab | composite | composite | composite |
| Sampling frequency | monthly but at least 10 days after any other sample | every 2 weeks but at least 7 days after any other sample | weekly but at least 5 days after any other sample | 3 days per week but at least 1 day after any other sample |
| CBOD test method | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test |
| SS test method | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| TRC (mg/L) | quarterly average ≤ 0.02 | quarterly average ≤ 0.02 | monthly average ≤ 0.02 | monthly average ≤ 0.02 |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| NH3 (mg/L, expressed as nitrogen (N) at 15ºC ± 1ºC) | maximum concentration in the quarter < (1.25 x greatest maximum concentration submitted in the application for TA) if the greatest maximum concentration in the application was ≥ 1 or < 1.25 | maximum concentration in the quarter < (1.25 x greatest maximum concentration submitted in the application for TA) if the greatest maximum concentration in the application was ≥ 1 or < 1.25 | maximum concentration in the month < (1.25 x greatest maximum concentration submitted in the application for TA) if the greatest maximum concentration in the application was ≥ 1 or < 1.25 | maximum concentration in the month < (1.25 x greatest maximum concentration submitted in the application for TA) if the greatest maximum concentration in the application was ≥ 1 or < 1.25 |
| Sampling frequency | not specified | not specified | not specified | not specified |
| Total ammonia test method | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test |
| pH test method | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Requirements | none | none | none | none |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Reporting frequency | quarterly | quarterly | quarterly | quarterly |
| Report due | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter |
| Information required | a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
| Allocated points from Schedules 2 and 3[iv] | Final discharge point ≥ 70 | Final discharge point ≥ 50 and < 70 | Final discharge point < 50 or, a CSO point > Final discharge point |
|---|---|---|---|
| First report due | June 30, 2017 | June 30, 2020 | June 30, 2020 |
| Second report due | - | June 30, 2025 | June 30, 2025 |
| Third report due | - | - | June 30, 2030 |
| Fourth report due | - | - | June 30, 2035 |
| Information required | steps taken to implement plan to modify wastewater system to:
|
steps taken to implement plan to modify wastewater system to:
|
steps taken to implement plan to modify wastewater system to:
|
| Change to plan | changed plan sent to authorization officer without delay | changed plan sent to authorization officer without delay | changed plan sent to authorization officer without delay |
| Allocated points from Schedules 2 and 3[iv] | Final discharge point ≥ 70 | Final discharge point ≥ 50 and < 70 | Final discharge point < 50 or, a CSO point > Final discharge point |
|---|---|---|---|
| Deadline to meet effluent quality standards for CBOD and SS | December 31, 2020 | December 31, 2030 | December 31, 2040 |
D. Temporary Authorization to Deposit Un-ionized Ammonia - January 1, 2015 (valid for 3 years with option to extend for successive periods of 3 years)
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Daily volume determination | continuous measure of influent or effluent volume or measure rate of influent or effluent flow | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume | continuous measure of influent or effluent volume |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| CBOD (mg/L) | quarterly average ≤ 25 | quarterly average ≤ 25 | monthly average ≤ 25 | monthly average ≤ 25 |
| SS (mg/L) | quarterly average ≤ 25 | quarterly average ≤ 25 | monthly average ≤ 25 | monthly average ≤ 25 |
| Type of sample | composite or grab | composite | composite | composite |
| Sampling frequency | monthly but at least 10 days after any other sample | every 2 weeks but at least 7 days after any other sample | weekly but at least 5 days after any other sample | 3 days per week but at least 1 day after any other sample |
| CBOD test method | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test | 5-day BOD test with nitrification inhibition conducted in a laboratory accredited to do the test |
| SS test method | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test | total suspended solids test conducted in laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| TRC (mg/L) | quarterly average ≤ 0.02 | quarterly average ≤ 0.02 | monthly average ≤ 0.02 | monthly average ≤ 0.02 |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Type of sample | composite or grab | composite | composite | composite |
| Sampling frequency | monthly but at least 10 days after any other sample | every 2 weeks but at least 7 days after any other sample | weekly but at least 5 days after any other sample | 3 days per week but at least 1 day after any other sample |
| Total ammonia test method | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test | total ammonia test conducted by a laboratory accredited to do the test |
| pH test method | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test | pH test conducted by a laboratory accredited to do the test |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| NH3 (mg/L, expressed as nitrogen (N)) | ≤ 0.016 | ≤ 0.016 | ≤ 0.016 | ≤ 0.016 |
| Frequency | once each August | once each August | once each August | once each August |
| NH3 determination (mg/L, expressed as nitrogen (N)) | total ammonia test conducted by a laboratory accredited to do the test and pH of the receiving environment or total ammonia using a method of estimation based on generally accepted engineering practices and pH of the receiving environment | total ammonia test conducted by a laboratory accredited to do the test and pH of the receiving environment or total ammonia using a method of estimation based on generally accepted engineering practices and pH of the receiving environment | total ammonia test conducted by a laboratory accredited to do the test and pH of the receiving environment or total ammonia using a method of estimation based on generally accepted engineering practices and pH of the receiving environment | total ammonia test conducted by a laboratory accredited to do the test and pH of the receiving environment or total ammonia using a method of estimation based on generally accepted engineering practices and pH of the receiving environment |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Sampling frequency | not specified but sampling may be required to apply for an extension of authorization | not specified but sampling may be required to apply for an extension of authorization | not specified but sampling may be required to apply for an extension of authorization | not specified but sampling may be required to apply for an extension of authorization |
| Reference Method EPS 1/RM/13 | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. | Procedure set out in section 5 or 6 of Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. |
| Procedure for pH Stabilization EPS 1/RM/50 | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. | Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. |
| Annual Average Daily Volume (m3)[i] | 100 to ≤ 2,500 | > 2,500 to ≤ 17,500 | > 17,500 to ≤ 50,000 | > 50,000 |
|---|---|---|---|---|
| Reporting frequency | quarterly | quarterly | quarterly | quarterly |
| Report due | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter | within 45 days after the end of the quarter |
| Information required | a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
a statement that indicates that effluent was not deposited during the quarter or a statement that indicates that effluent was not deposited during any month in the quarter; and, for each month during which effluent was deposited in the quarter:
|
| Information required | each August: concentration of NH3 in receiving environment and how it was determined | each August: concentration of NH3 in receiving environment and how it was determined | each August: concentration of NH3 in receiving environment and how it was determined | each August: concentration of NH3 in receiving environment and how it was determined |
E. Combined Sewer Overflows - January 1, 2013
Recording |
|
| Each deposit day |
|
| Each deposit month |
|
Reporting |
|
| Month of overflow |
|
| Month of no deposit | statement indicating no deposit |
| Reporting frequency | annually, by February 15, beginning on February 15, 2014 |
[i] Annual average daily volume is the total volume, in m3, of effluent deposited via the final discharge point of a wastewater system divided by the number of days in the calendar year. Monitoring and reporting requirements for the calendar year are based on the annual average daily volume deposited in the previous calendar year.
[ii] Requirement to monitor NH3 ends June 30, 2014.
[iii] Exception: Effluent quality standard for total residual chlorine comes into force January 1, 2021 for systems with annual average daily volume of < 5000 m3.
[iv] Exception: If the final discharge point is allocated 50 or more points (under Schedule 2) and the wastewater system has at least one combined sewer overflow point which is allocated more points (under Schedule 3) than the number of points allocated to the final discharge point then the points allocated to the combined sewer overflow point may be used in the application for a transitional authorization that would expire on December 31, 2040.
[v] Any point that is 100 m from the point of entry where effluent is deposited in the water via the final discharge point.
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