Div. B › Part 8 › 8.1 › 8.1.2 — Application

8.1.2.1 — Classification of Systems

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(1) All sewage systems shall be classed as one of the following:

(a) Class 1 — a chemical toilet, an incinerating toilet, a recirculating toilet, a selfcontained portable toilet and all forms of privy including a portable privy, an earth pit privy, a pail privy, a privy vault and a composting toilet system,

(b) Class 2 — a greywater system,

(d) Class 4 — a leaching bed system, or

(e) Class 5 — a system that requires or uses a holding tank for the retention of hauled sewage at the site where it is produced prior to its collection by a hauled sewage system.

OBC Definitions

Defined terms on this page

earth pit privy

means a latrine consisting of an excavation in the ground surmounted by a superstructure.

greywater

means sanitary sewage of domestic origin that is derived from fixtures other than sanitary units.

hauled sewage

means sanitary sewage that, (a)is not finally disposed of at the site where it is produced and is not conveyed by a sewer to sewage works, and (b)is stored or retained at the site where it is produced for periodic collection, handling, treatment, transportation, storage or processing prior to final disposal at a place other than where it was produced, and includes sanitary sewage that is removed from a sewage system for the purpose of cleaning or maintaining the system.

hauled sewage system

means works, installations, equipment, operations and land used in connection with the collection, handling, treatment, transportation, storage, processing and disposal of hauled sewage, as regulated under the Environmental Protection Act.

holding tank

means a tank designed to totally retain all sanitary sewage discharged into it and requiring periodic emptying.

leaching

means dispersal of liquid by downward or lateral drainage or both into permeable soil, as defined in Part 8 of Division B, or leaching bed fill.

leaching bed

means an absorption system constructed as absorption trenches or as a filter bed, located wholly in ground or raised or partly raised above ground, as required by local conditions, to which effluent from a treatment unit is applied for treatment and disposal and that is composed of, (a)the soil, as defined in Part 8 of Division B, leaching bed fill or other filter media that is contained between the surface on which the sanitary sewage is applied and the bottom of the bed, (b)the leaching chamber or the distribution pipe and the stone or gravel layer in which the distribution pipe is located, and (c)the backfill above the distribution pipe or the leaching chamber, including the topsoil and sodding or other anti-erosion measure, and the side slopes of any portion elevated above the natural ground elevation.

pail privy

means a latrine in which the receptacle for human waste consists of a removable container surmounted by a superstructure.

portable privy

means a portable latrine in which the receptacle for human body waste and the superstructure are combined structurally into one unit.

privy vault

means a latrine in which the receptacle for human waste consists of a constructed vault from which the waste is periodically removed.

sewage

means sanitary sewage or storm sewage.

sewage system

means , (a)a chemical toilet, an incinerating toilet, a recirculating toilet, a self-contained portable toilet and all forms of privy, including a portable privy, an earth pit privy, a pail privy, a privy vault and a composting toilet system, (b)a greywater system, (c)a cesspool, (d)a leaching bed system, or (e)a system that requires or uses a holding tank for the retention of hauled sewage at the site where it is produced before its collection by a hauled sewage system, where these, (f)have a design capacity of 10,000 litres per day or less, (g)have, in total, a design capacity of 10,000 litres per day or less, where more than one of these are located on a lot or parcel of land, and (h)are located wholly within the boundaries of the lot or parcel of land on which is located the building or buildings they serve.

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