Alton Village Study Draft Phase 1 Background ... - Town of Caledon

Table 2.1.1 Ontario Policies, Guidelines and Procedures Related to the Ontario
Water Resources Act and Environmental Protection Act
Name Subject Applicability to Study
Provincial water quality
objectives (PWQO) for
surface water and
groundwater protection
Water Management
Policies, Guidelines,
Provincial Water
Quality Objectives
(July, 1994)
Deriving Receiving-
Water Based, Point-
Source Effluent
Requirements for
Ontario Waters
(September 1993)
Procedures F-5-1, F-5-
3, F-8-1 (April 1994)
Procedure B-7-1
(April 1994)
Ontario Drinking
Water Quality
Objectives –
Procedure B-5-1
(1994)
Procedures B-13-3
(April 1994)
Ontario Drinking
Water Quality
Standards, O. Reg.
169/03 (Amended to
O. Reg. 268/03)
Procedure for
Disinfection in
Ontario (2003),
Referenced in O. Reg.
170/03 (Amended to
O. Reg. 269/03)
Guidelines for determining
point source effluent limits
to surface water
Minimum level of
treatment required for
municipal wastewater
treatment facilities.
Technical basis for
evaluating reasonable use
for subsurface disposal of
wastewater.
Drinking water quality
objectives (DWQO)
Minimum level of
treatment required for
municipal water supply.
Ontario drinking water
quality standards
(ODWQS)
Minimum level of
treatment required for
municipal water supply.
Defines policies for release of wastewater
discharge to surface water to ensure protection
of the environment.
Defines policies for taking of water from
groundwater and surface water sources.
Effluent limits for wastewater treatment options
with a surface water discharge will need to be
determined, so that the level of treatment may
be determined.
Defines minimum effluent requirements for
BOD 5 , suspended solids, phosphorus and
disinfection for wastewater discharges to
receiving water. Site specific requirements may
be more stringent.
Defines acceptable levels of contaminants
impinging on adjacent properties and methods
for assessing suitability of contaminant
attenuation zone.
Defines health related and aesthetic objectives
for drinking water. Procedure defines
requirement to meet DWQO. Will determine
level of treatment required for Alton Village.
Defines requirement for disinfection of
groundwater supplies.
Defines health related and aesthetic standards
for drinking water. Procedure defines
requirement to meeting DWQO. Will determine
level of treatment required for water supply/
Defines requirement and disinfection of surface
water, groundwater and groundwater under the
influence of surface water (GUDI) supplies.
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