Licence No.: 2550
Licence Issued: December 4, 2002
IN ACCORDANCE WITH THE MANITOBA ENVIRONMENT ACT (C.C.S.M. c. E125)
THIS LICENCE IS ISSUED PURSUANT TO SECTION 11(1) TO:
RURAL MUNICIPALITY OF HANOVER; "the Licencee"
for the construction, operation and maintenance of the Development being a wastewater collection system and an aerated wastewater treatment lagoon located on NE and SE 32-7-6 EPM and NW and SW 33-7-6 EPM in the Rural Municipality of Hanover and with discharge of treated effluent to drainage ditches located on NE and NW 32-7-6 EPM and SW 5-8-6 EPM that flow into the Youville Drain which empties into the Seine River Diversion which empties into the Red River, in accordance with the Proposal filed under The Environment Act on April 25, 2002 and subsequent information provided on May 3, 2002, May 17, 2002, June 6, 2002, July 25, 2002 and September 10, 2002 and subject to the following specifications, limits, terms and conditions:
DEFINITIONS
In this Licence,
"accredited laboratory" means an analytical facility accredited by the Standard Council of Canada (SCC), or accredited by another accrediting agency recognized by Manitoba Conservation to be equivalent to the SCC, or be able to demonstrate, upon request, that it has the quality assurance/quality control (QA/QC) procedures in place equivalent to accreditation based on the international standard ISO/IEC 17025, or otherwise approved by the Director;
"aerated" means the bringing about of intimate contact between air and a liquid by bubbling air through the liquid;
"aerated cell" means a cell of a wastewater treatment lagoon system in which mechanical or diffused-air aeration is used to supplement the oxygen supply;
"aerated wastewater treatment lagoon" means the component of the Development which consists of impoundments into which wastewater is discharged for treatment by mechanical aeration and storage;
"affected area" means a geographical area, excluding the property of the Development;
"approved" means approved by the Director in writing;
"appurtenances" means machinery, appliances, or auxiliary structures attached to a main structure to enable it to function, but not considered an integral part of it;
"as constructed drawings" means engineering drawings complete with all dimensions which indicate all features of the Development as it has actually been built;
"ASTM" means the American Society for Testing and Materials;
"Director" means an employee so designated pursuant to The Environment Act;
"effluent" means treated wastewater flowing or pumped out of the aerated wastewater treatment lagoon;
"fecal coliform" means aerobic and facultative, Gram-negative, nonspore-forming, rod-shaped bacteria capable of growth at 44.5° C, and associated with fecal matter of warm-blooded animals;
"five-day biochemical oxygen demand" means that part of the oxygen demand usually associated with biochemical oxidation of organic matter within five days at a temperature of 20° C;
"flooding" means the flowing of water onto lands, other than waterways, due to the overtopping of a waterway or waterways;
"high water mark" means the line on the interior surface of the aerated and storage cells which is normally reached when the cell is at the maximum allowable liquid level or the line of the exterior of the perimeter dykes which is reached during local flooding;
"hydraulic conductivity" means the quantity of water that will flow through a unit cross-sectional area of a porous material per unit of time under a hydraulic gradient of 1.0;
"in-situ" means on the site;
"industrial use agreement" means an agreement to discharge industrial wastewater to municipal wastewater collection and treatment systems;
"industrial wastewater" means wastewater derived from an industry which manufactures, handles or processes a product and does not include wastewater from commercial or residential buildings;
"influent" means water, wastewater or other liquid flowing into a wastewater treatment or pre-treatment facility or any components of the facility;
"low water mark" means the line on the interior surface of the aerated and storage cells which is normally reached when the cell is discharged;
"MPN Index" means the most probable number of coliform organisms in a given volume of wastewater which, in accordance with statistical theory, would yield the observed test result with the greatest frequency;
"noise nuisance" means a continuous or repeated noise in an affected area, which is offensive, obnoxious, troublesome, annoying, unpleasant or disagreeable to a person:
if the noise
"odour nuisance" means a continuous or repeated odour, smell or aroma in an affected area which is offensive, obnoxious, troublesome, annoying, unpleasant or disagreeable to a person:
if the odour, smell or aroma
"riprap" means small, broken stones or boulders placed compactly or irregularly on dykes or similar embankments for protection of earth surfaces against wave action or current;
"septage" means the sludge produced in individual on-site wastewater disposal systems such as septic tanks;
"sewage" means household and commercial wastewater that contains human waste;
"sludge" means the accumulated solids separated from liquids, such as water or wastewater, during processing;
"Standard Methods for the Examination of Water and Wastewater" means the most recent edition of Standard Methods for the Examination of Water and Wastewater published jointly by the American Public Health Association, the American Waterworks Association and the Water Environment Federation;
"storage cell" means a cell of the aerated wastewater treatment lagoon system which is a cell that receives partially treated wastewater from the aerated cell and retains the wastewater for a period of time;
"total coliform" means a group of aerobic and facultative anaerobic, Gram-negative, nonspore-forming, rod-shaped bacteria, that ferment lactose with gas and acid formation within 48 hours at 35° C, and inhabit predominantly the intestines of man or animals, but are occasionally found elsewhere and include the sub-group of fecal coliform bacteria;
"wastewater" means the spent or used water of a community or industry which contains dissolved and suspended matter;
"wastewater collection system" means the sewer and pumping system used for the collection and conveyance of domestic, commercial and industrial wastewater; and
"wet industry" means an industry that generates manufacturing or processing wastewater but does not include an industry that generates only cooling process wastewater.
GENERAL TERMS AND CONDITIONS
This Section of the Licence contains requirements intended to provide guidance to the Licencee in implementing practices to ensure that the environment is maintained in such a manner as to sustain a high quality of life, including social and economic development, recreation and leisure for present and future Manitobans.
- sample, monitor, analyze and/or investigate specific areas of concern regarding any segment, component or aspect of pollutant storage, containment, treatment, handling, disposal or emission systems, for such pollutants or ambient quality, aquatic toxicity, leachate characteristics and discharge or emission rates, for such duration and at such frequencies as may be specified;
- determine the environmental impact associated with the release of any pollutant(s) from the Development; or
- provide the Director, within such time as may be specified, with such reports, drawings, specifications, analytical data, descriptions of sampling and analytical procedures being used, bioassay data, flow rate measurements and such other information as may from time to time be requested.
- notify the Director immediately;
- identify the repairs required to the aerated wastewater treatment lagoon;
- undertake all repairs to minimize unauthorized discharges of wastewater; and
- complete the repairs in accordance with any written instructions of the Director.
- carry out all preservations and analyses on liquid samples in accordance with the methods prescribed in "Standard Methods for the Examination of Water and Wastewater" or in accordance with an equivalent analytical methodology approved by the Director;
- have all analytical determinations undertaken by an accredited laboratory; and
- report the results to the Director, in writing or in a format acceptable to the Director, within 60 days of the samples being taken.
SPECIFICATIONS, LIMITS, TERMS AND CONDITIONS
Respecting Construction:
- the liner shall be made of clay;
- the liner shall be at least one metre in thickness;
- the liner shall have a hydraulic conductivity of l x l0-7 centimetres per second or less at all locations;
- the liners of the cells located in NE and SE 32-7-6 EPM shall be constructed to an elevation of 5.10 metres above the floor elevation of the aerated cells and a minimum elevation of 3.25 metres above the floor elevation of the storage cells; and
- the liners of the cells located in NW and SW 33-7-6 EPM shall be constructed to elevations of 2.5 metres above the floor elevation of the storage cells.
Respecting Operation and Maintenance:
- the maximum daily flow rate is not in excess of 3,346 cubic metres per day;
- the organic loading on the aerated wastewater treatment lagoon, in terms of the five-day biochemical oxygen demand, is not in excess of 3,274 kilograms per day;
- a minimum of 2 milligrams of dissolved oxygen per litre is detectable at any location and at all times in the liquid in the aerated cells;
- the depths of liquid in the aerated cells do not exceed 4.10 metres;
- the depths of liquid in the storage cells located in NE and SE 32-7-6 EPM do not exceed 2.25 metres; and
- the depths of liquid in the storage cells located in NW and SW 33-7-6 EPM do not exceed 1.5 metres.
Respecting Hauled Influent:
- submit to the Director for approval, on or before the 1st day of February, 2003, a monitoring plan for ensuring septage, sewage and wastewater hauling quantities and qualities are characterized; and
- incorporate the results of the monitoring plan activities to operation and maintenance activities for the aerated wastewater treatment lagoon.
Respecting Influent Monitoring Station:
- construct and make available for use by an Environment Officer, secured and heated monitoring and sample collection station(s) with direct access to all influent pipelines at the ends of all forcemains and located within the aeration building located within NE 32-7-6 EPM as necessary;
- make all monitoring stations accessible to an Environment Officer at all times;
- install and maintain a flow measuring device(s) at the monitoring station or at a location(s) acceptable to the Director which is capable of measuring the volumes of influent with an accuracy of ± 2 percent;
- have the flow measuring device(s) re-calibrated biannually or on the request of an Environment Officer;
- size the influent monitoring station to accommodate a flow proportional 24-hour composite sampler(s);
- equip the station with electronic interfaces to the influent flow metering device(s) whereby the electronic interfaces are compatible with the departmentally owned ISCO sampler; and
- equip the monitoring station(s) with a flow-proportional sampling device(s) equipped to function with the flow measuring device and have the sampling device available on request for use by an Environment Officer.
Respecting Effluent:
- where the organic content of the effluent, as indicated by the five-day biochemical oxygen demand (BOD5), is in excess of 30 milligrams per litre;
- where the suspended solids content of the effluent is in excess of 30 milligrams per litre;
- where the fecal coliform content of the effluent, as indicated by the MPN index, is in excess of 200 per 100 millilitres of sample;
- where the total coliform content of the effluent, as indicated by the MPN index, is in excess of 1500 per 100 millilitres of sample; or
- between the 30th day of November of any year and the 1st day of April of the following year.
MONITORING AND REPORTING
Respecting Monitoring, Record Keeping and Reporting:
- the daily flow rate (cubic metres per day); and
- the loading (kilograms per day) of 5-day biochemical oxygen demand, on at least two days each week that are also processing days for wet industries for which an industrial use agreement(s) exists.
- during each year maintain records of:
- wastewater sample dates;
- original copies of laboratory analytical results of the sampled wastewater; and
- effluent discharge dates;
- make the records being maintained pursuant to Sub-Clause 32 a) of this Licence available to an Environment Officer upon request; and
- keep the maintained records of any one calendar year available for inspection for a period of three years following the respective calendar year in which they were recorded.
- collect effluent samples during the beginning, middle and end of the discharge period to create one effluent composite sample and have the sample analyzed for the following parameters:
- total phosphorus;
- total Kjeldhal nitrogen; and
- nitrate/nitrite;
- collect effluent samples during the beginning, middle and end of the discharge period and have the samples analyzed for the following parameters:
- BOD5;
- fecal coliform content;
- total coliform content;
- ammonia and the calculated value of un-ionized ammonia;
- temperature; and
- pH; and
- not less than 30 days after the results of the sample analyses are available, submit the results of the analyses to the Director in writing and in an electronic format acceptable to the Director.
- inspect and assess the operation of the aeration system blowers weekly;
- inspect and assess the aeration system annually;
- inspect and assess the aeration system for frozen piping weekly during the winter; and
- make records of these activities available to the designated Environment Officer on request.
- aeration system pumps daily elapsed time;
- aeration system inspection dates, observations, maintenance and repairs completed;
- weekly summer and winter liquid levels in all cells and presence of odours and their source;
- liquid levels, duration of discharge, and procedures followed at the start of and during discharge(s); and
- make these records available to the designated Environment Officer on request.
Respecting a Groundwater Monitoring Plan:
Respecting Nutrient Reduction and Removal Studies, Plans, Strategies & Proposals:
Respecting Record Drawings:
- prepare "as constructed drawings" for the Development and shall label the drawings "As Constructed"; and
- provide to the Director, on or before the 1st day of December, 2004, two sets of "as constructed drawings" of the Development.
REVIEW AND REVOCATION
"original signed by"
Larry Strachan, P. Eng.
Director
Environment Act
Client File No.: 1957.20
Schedule "A" to Environment Act Licence No. 2550
Soil Sampling:
Soil Testing Methods:
- The soil samples shall be tested for hydraulic conductivity using ASTM D 5084 (Standard Test Method for Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter).
- Soil specimens shall have a minimum diameter of 70 mm (2.75 inches) and a minimum height of 70 mm (2.75 inches). The soil specimens shall be selected from a section of the soil sample which contains the most porous material based on a visual inspection. The hydraulic gradient shall not exceed 30 during sample preparation and testing. Swelling of the soil specimen should be controlled to adjust for: the amount of compaction measured during sample collection and extraction from the tube and the depth or elevation of the sample. The effective stress used during saturation or consolidation of the sample shall not exceed 40 kPa (5.7 psi) or the specific stress level, that is expected in the field location were the sample was taken, which ever is greater.
- The complete laboratory report, as outlined in ASTM D 5084, shall be supplied for each soil sample collected in the field.
- The soil samples shall be tested for hydraulic conductivity using ASTM D 2435 (Standard Test Method for One-Dimensional Consolidation Properties of Soils).
- Soil specimens shall have a minimum diameter of 50 mm (2 inches) and a minimum height of 20 mm (0.8 inches). The soil specimens shall be selected from a section of the soil sample which contains the most porous material based on a visual inspection. The soil specimen shall be taken from an undisturbed soil sample. The soil specimen shall be completely saturated.
- The complete laboratory report, as outlined in ASTM D 2435, shall be supplied for each soil sample collected in the field.