Internal Services Directive

Management of Wastewater and Wastewater Treatment Systems

AUTHORITIES

PURPOSE

  • To ensure the management and operation of CSC wastewater collection systems and wastewater treatment systems are conducted in compliance with federal regulations and respecting provincial and municipal legislation, guidelines, standards and codes
  • To formalize CSC best practices for the management and operation of wastewater collection and/or treatment systems such that standard operating procedures are clearly established and consistently implemented, thereby minimizing the risk of non-compliance

APPLICATION

Applies to all CSC institutions, with respect to wastewater, that can be described as follows:

  1. connected to a municipal sewer
  2. connected to an on-site wastewater treatment system with a daily design capacity less than 100 m3
  3. connected to an on-site wastewater treatment system with discharge of treated wastewater into an infiltration bed, or
  4. connected to an on-site wastewater treatment system with discharge of treated wastewater directly or indirectly to a surface water body

Specific applications of this ISD to each institution are presented in Annex B.

RESPONSIBILITIES

  1. The Institutional Head is accountable to ensure compliance with the provisions of this Internal Services Directive (ISD).
  2. The Institutional Head will assign the responsibility for the management and operation of wastewater collection and/or treatment systems and compliance with this ISD to the Assistant Warden, Management Services (AWMS).

Assistant Warden, Management Services

  1. The AWMS will work in coordination and cooperation with the Chief, Facilities Management (CFM), or his/her equivalent to manage and operate wastewater collection and/or treatment systems to ensure compliance with this ISD.

CORCAN Operations Managers

  1. CORCAN Operations Managers are accountable to the AWMS and the CFM to ensure CORCAN activities that generate wastewater, with respect to current operations or any proposed changes to operations, do not cause a health and safety hazard, negatively affect downstream works or processes, or result in non-compliance with the provisions of this ISD.

Chief, Facilities Management

  1. The responsibilities of the CFM will include, but will not necessarily be limited to, the following:
    1. providing sufficient resources to:
      1. effectively manage and operate the wastewater collection and/or treatment systems
      2. correct deficiencies and plan for change
    2. conducting annual reviews of infrastructure and developing and implementing short and long‑term operating and capital plans to ensure resources will be available to meet current and future demands
    3. ensuring staff tasked with responsibilities related to wastewater treatment have and maintain their training and certification in accordance with the requirements of the province in which they work to the level required by the system classification
    4. establishing and implementing standard operating procedures to manage and operate the wastewater collection and/or treatment systems, in consultation with and when necessary, the Wastewater Treatment System Operator (WWTSO), the Institutional Environmental Officer (IEO), the Regional Coordinator, Environmental Programs (RCEP), the National Headquarters (NHQ) Environmental Engineer (EE), and the AWMS
    5. evaluating and ensuring the adequacy, efficiency, and safety of standard operating procedures annually as a minimum
    6. routinely reporting the status of the wastewater treatment system to the AWMS, the IEO, the RCEP, the NHQ EE, and the Regional Administrator, Technical Services (RATS), a minimum of:
      1. once per month for a continuous wastewater system
      2. quarterly for an intermittent wastewater system
    7. coordinating response to emergency situations, which will include notifying the IEO, the RCEP, the NHQ EE, and the AWMS as soon as is practicable
    8. reviewing and verifying all data associated with the maintenance, operation and monitoring of the wastewater treatment system
    9. ensuring all documentation related to the management and operation of the wastewater collection and/or treatment systems is properly maintained and filed.

Wastewater Treatment System Operator

  1. The WWTSO (or his/her equivalent) will be responsible for the day-to-day operation of the wastewater treatment system. The WWTSO's responsibilities will include, but will not necessarily be limited to, the following:
    1. maintaining his/her training and certification in accordance with the requirements of the province in which he/she works to the level required by the system classification, submitting all records of training and certification to Human Resources for entry into the Human Resources Management System (HRMS), and displaying a copy of his/her certification at the wastewater treatment system
    2. identifying and carrying out the work necessary for the proper maintenance, operation and monitoring of the wastewater treatment system
    3. regularly reviewing the wastewater treatment system standard operating procedures to ensure familiarity with current practices and to allow for the identification and proposal of improvements
    4. routinely reporting the status of the wastewater treatment system to the CFM a minimum of:
      1. once per week for a continuous wastewater system
      2. once per month for an intermittent wastewater system
    5. recording and storing all data and documentation associated with the maintenance, operation and monitoring of the wastewater treatment system
    6. immediately reporting emergencies and/or incidents of regulatory non-compliance to the CFM.

Control of Wastewater Sources

  1. All Correctional Service of Canada (CSC) institutions and CORCAN operations will establish source controls to reduce the risk of contributing gross solids and pollutants to the wastewater.
  2. All CSC institutions will construct and maintain the infrastructure to prevent extraneous flows from contributing to the wastewater volume.
  3. All CSC institutions with on-site wastewater treatment systems with a daily design capacity greater than 100 m3 will provide pre-treatment of the raw wastewater by a screening process to remove gross solids. A system which provides coarse screening followed by fine screening is recommended.
  4. All CSC wastewater treatment systems will provide wastewater treatment to achieve the effluent conditions presented in Annex C.
  5. No person will dilute treated wastewater to meet applicable effluent conditions.

System Classification

  1. The RCEP and/or the IEO, in coordination and cooperation with the WWTSO, the CFM and the NHQ EE, will obtain classification of the wastewater treatment system from the provincial authority where this service is available.
  2. In provinces where this service is not available, the NHQ EE will determine the system classification.
  3. A copy of the provincial classification will be kept on display at the wastewater treatment system site.

Remote Electronic Monitoring

  1. Institutions with Class II systems (as determined in paragraphs 12 and 13) and higher will ensure electronic monitoring devices are installed to monitor critical functions and transmit alarms to a 24-hour manned post.

PROCEDURES

General

  1. All wastewater treatment systems will have standard operating procedures for, including, but not limited to:
    1. the operation and maintenance of the system under normal conditions including control of all key equipment and processes
    2. sampling, testing and monitoring for process control and/or compliance monitoring including details on when, where, and how results will be captured, recorded and communicated
    3. emergency/contingency preparedness
    4. record keeping and reporting
    5. training and/or licensing.

Flow Measurement Requirements

  1. All wastewater treatment systems with a daily design capacity greater than 100 m3 will install equipment to measure the daily volume or flow rate of the influent or the effluent.
  2. Flow measurement equipment will be calibrated a minimum of once a year for a continuous wastewater system and once per discharge period for an intermittent wastewater system. Each calibration will allow for a margin of error no greater than +15%.
  3. When flow measurement equipment requires upgrading or replacement, a computerized flow measurement system with remote monitoring that includes an automated system to collect, archive, analyze, present and share data will be installed. As a minimum, the flow measurement system will be capable of recording and outputting the following:
    1. the daily volume or flow rate, and cumulative daily volume
    2. the peak hourly flow rate by day, week, month, or year
    3. the average annual daily flow rate
    4. the minimum daily flow rate by week, month, or year
    5. the maximum daily flow rate by week, month, or year.
  4. The WWTSO will keep a Flow Measurement Equipment Log for the flow measuring equipment. This Log Book will include:
    1. a description of the type of flow measurement and data recording equipment
    2. a description of the location of the equipment
    3. the manufacturer's specifications including the unit's capacity, year of manufacture, model number, and the serial number
    4. the date when the equipment was installed
    5. the date when the equipment was decommissioned, when applicable
    6. calibration records
    7. maintenance records.
  5. The WWTSO will keep a Daily Flow Measurement Log for the flow measuring equipment. This Log Book will include, as a minimum, the following information:
    1. the date
    2. the daily volume or flow rate of wastewater, expressed in the unit of measure of the equipment.

Log Books: Operational and Maintenance

  1. All work will be recorded by the WWTSO in an Operational Log Book. This Log Book will include, but will not necessarily be limited to, the following information:
    1. the date and the name(s) of the operator(s) on duty
    2. a description of any process adjustments, the reasons for the adjustments, and future recommendations for monitoring and control
    3. where applicable, process readings, operational data, and measurements including flow rate(s), chemical feed rate(s), monitoring and measurement device readings, and test results
    4. routine operation and maintenance results and observations
    5. routine and non-routine sample events
    6. the occurrence of a system alarm, indicating the type of alarm, the cause, and the action taken
    7. the occurrence of unusual or abnormal conditions observed and actions taken
    8. equipment maintenance and/or replacement
    9. work by external contractors, including the contractor name, contact information, a description of the work performed, and follow-up actions
    10. wastewater transported to the system for treatment, including the contact information, the volume of wastewater and the location of transfer into the treatment system
    11. sludge management records.

Influent Characterization

  1. The WWTSO will collect influent samples, where feasible, and submit them to an accredited laboratory for analyses to characterize the influent and assess system performance.
  2. Samples will be collected from the influent stream at the frequency and analysed for the parameters specified in Annex D.
  3. Influent samples will be collected immediately after the screening process for systems that have this equipment in place. For systems which do not have a screening process, influent samples will be collected from the most practical location which allows for the collection of samples and best represents the raw wastewater.

Effluent Characterization

  1. The WWTSO will collect final effluent samples, where feasible, and submit them to an accredited laboratory for analyses to characterize the effluent, assess system performance, and monitor compliance.
  2. Samples will be collected immediately after the final treatment step at the frequency and analysed for the parameters specified in Annex D.

Sample Method: Grab or Composite

  1. The sample method used to collect influent samples will be the same as that used to collect effluent samples.
  2. All samples should be collected at a preset time and day of the week ideally when the system receives its maximum organic loading if it is known.
  3. Composite samples will be collected in a refrigerated unit over a 24 hour period in hourly aliquots.

Optimization Studies

  1. The NHQ EE, in coordination and cooperation with the RCEP and/or the IEO and the WWTSO, will:
    1. annually assess the need for an optimization study of each wastewater treatment system
    2. perform subsequent studies every five years, once an optimization study has been completed, to ensure continued optimal system performance.
  2. An optimization study will include the following work:
    1. an audit of the facility to ensure continued compliance with applicable regulatory requirements and corporate directives
    2. an assessment of the system design and performance, standard operating procedures, system management, and asset reliability.

Emergency/Contingency Preparedness

  1. The CFM, in coordination and cooperation with the WWTSO, the RCEP and/or the IEO, and the NHQ EE, will ensure that all CSC institutions with wastewater collection and/or treatment systems have documented emergency/contingency procedures to address failure of the treatment system to provide acceptable treatment.
  2. The emergency/contingency procedures will include:
    1. a delineation of roles and responsibilities during emergency situations
    2. internal and external communication requirements
    3. a list of emergency contacts which includes CSC personnel, legislative authorities, and independent suppliers.

Internal Communication and Routine Reporting

  1. Regular internal communication and routine reporting will ensure information transfer within the institution and amongst CSC authorities. This in turn will sustain the infrastructure required to effectively manage and operate wastewater collection and/or treatment systems.
  2. A routine report will be submitted via email and will include, where applicable, for the reporting period:
    1. a statement that reflects the overall system performance
    2. a brief summary of work performed and the results of the work
    3. a statement that reflects the status of effluent compliance or non-compliance, including supporting information in the case of non-compliance, with federal, provincial, and/or municipal regulations
    4. a summary of the status of the planned activities identified in the previous routine report
    5. presentation of planned major activities for the next reporting period
    6. a summary of health and safety concerns
    7. a summary of malfunctioning equipment and infrastructure issues
    8. a summary of items for which management support (e.g. funding, procurement, labour, etc.) is required.

WSER Reports and Notices

  1. The NHQ EE, in cooperation with the WWTSO, the CFM, the IEO, and the RCEP, will prepare the mandatory reports and notices in the form and format required by the WSER.
  2. The NHQ EE will be the signing authority for each WSER report and notice and will submit them to Environment Canada as per the due dates specified in the WSER.

Identification Report

  1. An Identification Report is a mandatory report under the WSER. The NHQ EE has prepared each Identification Report and submitted them to Environment Canada as per WSER. When changes to a wastewater treatment system are planned, the NHQ EE will revise its Identification Report accordingly and submit the revisions to Environment Canada as per the WSER. The NHQ EE will forward a copy of the revised Identification Report to the WWTSO, the CFM, the IEO, and the RCEP. The WWTSO and/or the CFM will keep a hard copy of the Identification Report readily available at the institution.

Monitoring Reports

  1. A Monitoring Report is a mandatory report under the WSER. The NHQ EE will prepare each Monitoring Report and submit to Environment Canada as per WSER. The NHQ EE will forward a copy of each Monitoring Report to the WWTSO, the CFM, the IEO, and the RCEP. The WWTSO and/or the CFM will keep a hard copy of the Identification Report readily available at the institution.

Decommissioning Notice

  1. When the decommissioning of a wastewater treatment system is planned, whether in part or whole, the NHQ EE will prepare a Decommissioning Notice and submit to Environment Canada as per WSER.

Record Keeping

  1. All records, as required by this ISD, will be kept for at least five years after the date they were made. These records will include, but are not necessarily limited to the following:
    1. documented standard operating procedures
    2. the Flow Measurement Equipment Log
    3. the Daily Flow Measurement Log
    4. the Operational Log Book
    5. the flow monitoring equipment calibration reports
    6. chain-of-custody forms
    7. analytical reports prepared by accredited laboratories
    8. all documentation pertaining to:
    9. operational performance monitoring
      1. performance and capacity assessment reviews
      2. emergency/contingency situations
      3. new construction, repairs, upgrades and/or decommissioning
    10. internal communiqu's and reports
    11. WSER reports and notices.

ENQUIRIES

  1. Environmental Protection Programs
    National Headquarters
    Email: GEN-NHQ-ENV@CSC-SCC.GC.CA

Assistant Commissioner,
Corporate Services

Original Signed by:
Liette Dumas-Sluyter

ANNEX A
CROSS-REFERENCES AND DEFINITIONS

CROSS-REFERENCES

CD 318 - Environmental Programs

Provincial and municipal legislation respecting wastewater collection and treatment management

DEFINITIONS

Accredited : formal recognition of competence by the Standards Council of Canada of a laboratory carrying out environmental tests.

Aliquot : a portion of a total volume of a sample.

Calibrate : to check and adjust the readings of a flow meter with a standard in order to reset the meter s accuracy.

Composite sample : a series of equal volume grab samples collected over a period of time, typically 24 hours.

Continuous wastewater system : any wastewater system other than an intermittent system.

Decommission : withdraw from service by rendering inoperative and dismantling.

Effluent: treated wastewater that is deposited from a wastewater treatment system in water or a place.

Extraneous flows : infiltration (water entering a wastewater system from a variety of points including defective pipes, pipe joints, connections, manholes, etc.) and inflow (water entering a wastewater system from roof and foundation drains, yard and areaway drains, access port covers, cross-connections with extraneous flow drains and catch basins, combined sewer systems, and cooling water discharges).

Gross solids: solids that can be easily removed by standard screening equipment.

Identification Report : a mandatory report submitted to Environment Canada as per WSER that identifies the owner and operator of a wastewater treatment system and lists their addresses and contact information, whether a system is continuous or intermittent, whether its hydraulic retention time is five days or more and the location of the discharge.

Infiltration bed : a subsurface engineered system for the disposal of treated wastewater.

Influent: raw wastewater entering a wastewater treatment system.

Intermittent wastewater system : a wastewater treatment system with a hydraulic retention time of at least 90 days that deposits effluent via its final discharge point, during at most four periods per calendar year, each of which is separated from every other period by at least seven clear days during which no deposit occurs.

Monitoring Report : a mandatory report submitted to Environment Canada as per WSER, quarterly for continuous discharge systems with a hydraulic retention time of less than 5 days and, annually for continuous systems with a hydraulic retention time greater than 5 days and intermittent discharge systems. A monitoring report includes the number of days the treated wastewater was deposited, the volume deposited, and the average of each of the 5 day carbonaceous biochemical oxygen demand (cBOD5), total suspended solids (TSS), un-ionized ammonia at 15°C, and total residual chlorine (TRC) for the reporting period.

Optimization study : a study which provides the impetus for improvements and/or modifications to achieve/maintain optimal performance of a wastewater treatment system.

Sludge : matter either collected or created by the wastewater treatment process which must be managed and/or treated and disposed.

Wastewater : the spent water of a community which includes blackwater (water from sanitary appliances that contains human fecal matter or human urine), greywater (water, other than blackwater, from sanitary appliances or from other appliances in a kitchen or laundry), and/or used water (water, other than blackwater or greywater, from an industrial, commercial or institutional facility) and extraneous flows that enter the wastewater collection and wastewater treatment systems.

Wastewater collection system: any work or undertaking that is used for the collection of wastewater.

Wastewater system: any work or undertaking that is used for the collection, treatment and deposit of wastewater.

Wastewater treatment system: the treatment component of a wastewater system - any work or undertaking used to remove contaminants from wastewater by physical, chemical and/or biological processes for the purpose of producing a fluid stream of a quality amenable to the end-receiver at the final discharge point.

ANNEX B
INSTITUTION RESPONSIBILITIES

INSTITUTION RESPONSIBILITIES
Connected to municipal sewer Paragraphs
1-4
5a, b, d, g, i
7
8
33-35
36a, b, d-h
42a, d, h, i
43
Connected to an on-site wastewater treatment system with a daily design capacity less than 100 m3:
  • Pacific region - Kwikwèxwelhp
  • Prairie region - Pê Sâkâstêw Centre
Paragraphs
1-4
5a-e, g, i
6a-c, e, f
7
8
16
22a-e, g-i
23-25
28-30
33-35
36a, b, d-h
41
42a, d, f-i
43
Connected to an on-site wastewater treatment system with discharge into an infiltration bed:
  • Quebec region - La Macaza
Paragraphs
1-9
16-31
33-35
36a, b, d-h
41-43
Connected to an on-site wastewater treatment system discharging treated wastewater directly or indirectly to a surface water body:
  • Atlantic region - Atlantic, Dorchester, Springhill
  • Ontario region - Joyceville, Warkworth
  • Quebec region - Cowansville, Regional Reception Centre
  • Pacific region - Kent and Mountain, William Head
  • Prairie region - Bowden, Stony Mountain
Paragraphs 1-43

ANNEX C
WASTEWATER SYSTEMS EFFLUENT REGULATIONS DISCHARGE LIMITS

5-day average1 carbonaceous biochemical
oxygen demand1

cBOD5 AVG ≤ 25 mg/L

Average1 total suspended solids

TSSAVG ≤ 25 mg/L

Average2 total residual chlorine

TRCAVG ≤ 0.02 mg/L

Maximum3 un-ionized ammonia expressed as nitrogen (N) at 15 °C ± 1 °C

N-NH3 MAX < 1.25 mg/L
  1. Average quarterly for continuous systems with a hydraulic retention time < 5 days, average annually for continuous systems with a hydraulic retention time ≥ 5 days, and average annually for intermittent systems.
  2. If chlorine, or one of its compounds, is used in the treatment of wastewater in the wastewater treatment system.
  3. Maximum over the reporting period which is quarterly for continuous systems with a hydraulic retention time < 5 days, annually for continuous systems with a hydraulic retention time ≥ 5 days, and annually for intermittent systems.

ANNEX D
Influent and Effluent Characterization Sampling Program1

PARAMETER INFLUENT EFFLUENT
All systems Intermittent Continuous

Monthly2

Annually

Twice per discharge3

Monthly2

cBOD5 5-day carbonaceous biochemical oxygen demand

BOD5 5-day biochemical oxygen demand

 

TSS Total suspended solids

 

TRC Total residual chlorine4

 

N-NH3 Un-ionized ammonia nitrogen at 15 C

 

pH (field)

 

pH at 15 C

 

Temperature (field)

 

Alkalinity

 

Conductivity

 

COD Chemical oxygen demand

 

N-NO3- Nitrates

 

N-NO2- Nitrites

 

TKN Total Kjeldahl nitrogen

 

TP Total phosphorus

 

Orthophosphates5

 

Sulphates6

   

TS Total solids

 

TDS Total dissolved solids

 

FSS Fixed suspended solids

 

VSS Volatile suspended solids

 

E. coli Escherichia coliform7

   

F. coli Fecal coliform7

   

Oils and grease total, mineral and non-mineral

   

Metals8

     

VOCs Volatile organic compounds7,8

     

sVOCs
+
PAHs
Semi-volatile organic compounds and polynuclear aromatic hydrocarbons7,8

     

TPH Total petroleum hydrocarbons7,8

     
  1. This table excludes the influent and effluent sampling for wastewater treatment systems with a daily design capacity less than 100 m3. Sample regimes for these systems are site specific and will be established by the NHQ EE in cooperation and coordination with the site operating authority.
  2. Monthly sampling is a minimum requirement.
  3. Once at the beginning of the discharge and once near the end of the discharge if the discharge is less than one month; otherwise, once per month.
  4. If chlorine, or one of its compounds, is used in the treatment of wastewater in the wastewater treatment system.
  5. If an orthophosphate product is used at the institution in the potable water distribution system.
  6. If an aluminum sulphate product is used in the wastewater treatment process.
  7. Grab sample method is required.
  8. Pre-authorization by the NHQ EE is required to perform these analyses.

For more information

To learn about upcoming or ongoing consultations on proposed federal regulations, visit the Canada Gazette and Consulting with Canadians websites.