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Lake Erie North Shore Watershed Plan - Niagara Peninsula ...

Lake Erie North Shore Watershed Plan - Niagara Peninsula ...

LAKE ERIE NORTH SHORE

LAKE ERIE NORTH SHORE WATERSHED PLAN contaminant loads from adjacent land uses, and cool the water to enhance water quality and fish habitat before outletting to Lake Erie watercourses are in part managed as municipal drains therefore establishment of riparian corridors should consider future maintenance activities (refer to engineers report and drainage BMP recommendations) All restoration measures should, where possible, benefit Species at Risk Carolinian and native species should be used for all projects Project Opportunities NPCA Lake Erie North Shore Geomorphic Assessment Study (NPCA 2009b) between natural areas (e.g. between fragmented complexes of Point Abino Wetland Complex ANSI near point) Recommended Action for Public and Private Lands 1. Point Abino Road South (PADMa): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. Bank instability is present in the form of undercutting and leaning trees along the bank. Wooden planks were identified along the banks indicating that some bank stabilization measures have been implemented. The buffer zone adjacent to residential property and Abino Hills Road is small in width but upstream the buffer becomes much wider and the banks are less steep. The watercourse flows through a culvert for approximately 80 to 90m and then enters into Lake Erie. A grate covering the culvert may restrict larger fish from entering the watercourse. There are no pools along the bed but there is stagnant water present throughout the field site and an aquatic vine is present within the channel. Although no algae or duckweed was identified during the site visit, a landowner has complained about water quality at the outlet for Point Abino Drain. Recommendations for this site include not grading the channel banks too steep during the dredging process so that deep rooted vegetation can become established along the banks and stabilize the soil. Bank stability should be assessed to ensure that surrounding properties and roads are not in danger of collapsing. Increasing the variety and diversity of native plant species within the buffer zone will provide cover and habitat for fish, insects, and invertebrates along the watercourse. Water quality should continue to be monitored in this watershed. All recommendations should be discussed with the Drainage Superintendent. 2. Point Abino Road South (PADMb): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. An oily sheen, a brown film on the water surface, and quite a bit of duckweed were noted during a site visit in 2008. The aquatic plant arrowhead was identified along the study site. There are no pools along the bed but there is stagnant water present throughout. There is relatively deep unconsolidated sediment and organic material along the stream bed indicating that the watercourse may not be able to transport it. Water quality should continue to be monitored in this watershed. Monitoring the accumulation of sediment along the channel bed can be done by the use of sediment traps throughout the watercourse. All recommendations should be discussed with the Drainage Superintendent. 222

LAKE ERIE NORTH SHORE WATERSHED PLAN 3. Point Abino Road South (PADMb-2): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. Quite a bit of duckweed was noted during a site visit in 2008. The aquatic plant arrowhead was identified along the study site. There are no pools along the bed but there is stagnant water present throughout. A large pile of concrete pieces lay adjacent to the channel on the left bank but it does not appear to be used for bank stabilization. There is relatively deep unconsolidated sediment and organic material along the stream bed indicating that the watercourse may not be able to transport it. Water quality should continue to be monitored in this watershed. Monitoring the accumulation of sediment along the channel bed can be done by the use of sediment traps throughout the watercourse. All recommendations should be discussed with the Drainage Superintendent. 4. Wildwood Avenue (PADMb-3): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. An oily sheen, an orangey red mass, and quite a bit of duckweed were noted during a site visit in 2008. There are no pools along the bed but there is stagnant water present throughout. There is relatively deep unconsolidated sediment and organic material along the stream bed indicating that the watercourse may not be able to transport it. Water quality should continue to be monitored in this watershed. Monitoring the accumulation of sediment along the channel bed can be done by the use of sediment traps throughout the watercourse. All recommendations should be discussed with the Drainage Superintendent. 5. Matthews Road North (PADMc): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. Quite a bit of duckweed was noted during a site visit in 2008. The aquatic plant arrowhead was identified along the study site. There are no pools along the bed but there is stagnant water present throughout. A foot bridge exists across the channel and erosion is present on both sides indicating that the bridge may be constricting the channel. There is relatively deep unconsolidated sediment and organic material along the stream bed. Recommendations for this site include not grading the channel banks too steep during the dredging process so that deep rooted vegetation can become established along the banks and stabilize the soil. Water quality should continue to be monitored in this watershed. Monitoring the accumulation of sediment along the channel bed can be done by the use of sediment traps throughout the watercourse. The foot bridge should be replaced with one that it is properly sized. Alternatives to traditional drainage design, such as wetland creation, floodplain development, and increasing channel curvature should also be considered. All recommendations should be discussed with the Drainage Superintendent. 6. Fire Lane 27 (PADTa): This section of watercourse is managed as a municipal drain; Point Abino Drain. It has been channelized and lacks any depositional features along the stream bed which indicate little flow diversity within the channel. Throughout the study site there is relatively deep unconsolidated sediment and organic material deposited along the channel bed. Jewel weed, which has a shallow root system, is the dominant vegetation type at the edge of the watercourse. There are no pools along the bed but there is stagnant water present in some areas. Duckweed was noted during a site visit in 2008. Abutments from an old 223

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