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Niagara River Remedial Action Plan Stage 2 Update Report

Niagara River Remedial Action Plan Stage 2 Update Report

7) Restrictions on

7) Restrictions on Dredging Activities 8) Eutrophication or Undesirable Algae 9) Restrictions on Drinking Water Consumption or Taste and Odour Problems 10) Beach Closings 11) Degradation of Aesthetics 12) Added Costs to Agriculture or Industry 13) Degradation of Phytoplankton and Zooplankton Populations Impaired Impaired None Changed to Not Impaired as per the decision on May 4, 1998 by Canadian Ontario Agreement RAP Steering Committee. Impaired Impaired None (Note: Delisting criteria will be developed and directed by the results of the Eutrophication Study which will be completed in 2010.) NI NI NI NI Impaired }} Public beaches meet the following conditions: i) Prominent sources of fecal pollution that could contaminate beach or recreational waters are known; ii) Less than 20% of the geometric means of water samples collected over the swimming season exceed the Provincial Water Quality Objectives (100 E. coli /100ml); iii) Any severe exceedance of Provincial Water Quality Objectives is rare and predictably associated with local events such as significant rainfall events. }} 90% of the wet-weather (peak) flow and all dry weather flow in combined sewer systems istreated to WPCP levels, on an annual basis NI NI 12. Public beaches meet the following conditions: i) Prominent sources of fecal pollution that could contaminate beach or recreational waters are known; ii) Less than 20% of the geometric means of water samples collected over the swimming season exceed the Provincial Water Quality Objectives (100 E. coli /100ml), or is similar to a suitable non-AOC reference site, when assessed over a period of at least three to five years; iii) Any severe exceedance of Provincial Water Quality Objectives is rare and predictably associated with local events such as significant rainfall events. RFA RFA None (Note: A delisting criteria will be developed if this BUI is shown to be Impaired) 140

Niagara river remedial action plan stage 2 update 14) Loss of Fish and Wildlife Habitat Impaired Impaired }} Median annual total suspended solids and/or turbidity is not significantly different at water quality sampling stations in AOC tributary watersheds in comparison to suitable non-AOC reference watersheds within the Lake Erie Lowlands ecoregion, when assessed over a period of at least three to five years. }} Dissolved oxygen, and un-ionized ammonia rarely surpass thresholds for the protection of aquatic life at water quality sampling stations in AOC tributary watersheds, when assessed over a period of at least three to five years. }} The percentage by area of wetland cover and the percentage by stream length of riparian buffers are not significantly different within AOC subwatersheds in comparison to suitable non- AOC reference watersheds within the Lake Erie Lowlands ecoregion. }} The distributions of emerald shiner, yellow perch, and spawning northern pike in AOC tributary watersheds approximate expected distributions in the absence of physical barriers. }} Presence / abundance of obligate phytophyllic fish species is stable or expanding in areas identified as current or historic wetland. }} The percentage of woodland and wetland habitat by area, and the percentage of stream length with (at least) a 30m vegetated buffer is not significantly different within the Ontario portion of the AOC as compared to adjacent reference watersheds within the Lake Erie Lowlands ecoregion. }} Wetlands in the Ontario portion of the AOC are not impaired in their ability to support a diversity and abundance of wetland-dwelling aquatic wildlife based on an Index of Biotic Integrity (IBI) approach, involving a comparison of all sites of interest to reference conditions. }} The percentage by area of wetland buffers (50, 120 and 240 m width) and of core woodland areas (within 100 and 200m of forest edge) is not significantly different within the Ontario portion of the AOC as compared to adjacent watersheds within the Lake Erie Lowlands ecoregion. }} The proximity, patch size, and patch density of key habitat types (forests and wetlands), is not significantly different within the Ontario portion of the AOC as compared to adjacent watersheds within the Lake Erie Lowlands ecoregion. }} The existing areal extent of unique wildlife habitats (Wainfleet Bog complex, Niagara Gorge) is at least 80% secured and managed for longterm conservation purposes. }} Approval of Regional Official Plan environmental policies to protect and enhance the natural heritage system, and approval of local Official Plan policies and zoning bylaws in conformity with the Regional policies. 13. The percentage by area of wetland cover within the AOC and the percentage by stream length of riparian buffers within the AOC are not significantly different as compared to suitable non-AOC reference sites. 14. 75% of the potential barriers to fish movement (as identified through the Niagara River AOC Fish Barriers Project 2001 – Phase 1 Photo Library) must be removed or remediated restoring access to potential spawning habitat. . 15. The percentage of woodland and wetland habitat by area in the AOC, and the percentage of stream length with (at least) a 30m vegetated buffer in the AOC is not significantly different when compared to a suitable non-AOC reference sites. 16. The percentage by area of wetland buffers (50, 120 and 240 m width) in the AOC and of core woodland areas (within 100 and 200m of forest edge) in the AOC is not significantly different when compared to a suitable non-AOC reference sites. 17. The proximity, patch size, and patch density of key habitat types (forests and wetlands) in the AOC, is not significantly different when compared to a suitable non-AOC reference sites. 18. The existing areal extent of unique wildlife habitats (Wainfleet Bog complex, Niagara Gorge) is at least 80% secured and managed for long-term conservation purposes. 19. Approval of Official Plan environmental policies for AOC municipalities that protect and enhance the natural heritage system, in conformity with the applicable Provincial or Regional natural heritage policies. 141

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