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HIGHER CHLORIDE CONCENTRATIONS, DISAPPEARING BROOK TROUT IDENTIFIED IN CVC WATERSHED REPORT CARD 5/16/2018 10:52:17 AM
Credit Valley Conservation's 2018 watershed report card gives the Orangeville area's groundwater and surface water quality a passing grade.
That's depsite an increase in chloride concentrations in waterways and groundwater across the entire watershed.
While Orangeville and Erin received an 'A', one of Caledon's well received and 'F'.
Aviva Patelm, Senior Manager in the Watershed Knowledge Department, says the most common culprit for higher chloride is road salt.
The disappearance of Brook Trout across the watershed also made this year's report card.
It's a trend scientists across Ontario are seeing, but aren't sure why.
Patel says the CVC is working with the Ministry of Natural Resources and Forestry (MNRF) to find possible reasons and solutions.
The MNRF is proposing to stock brook trout in one off-line pond in the watershed this year, strictly for recreational fishing purposes, not fisheries rehabilitation.
Patel says hopefully in 2019, the CVC and MNRF will reintroduce brook trout to a stream in the Terra Cotta Conservation Area now that a number of stream restoration projects have been completed and conditions are more favorable for the species.