Stormwater Charge and Credit Program Multi-Residential Credit - - PowerPoint PPT Presentation
Stormwater Charge and Credit Program Multi-Residential Credit Program Seminar December 7 th , 2015 Dr. Victoria Kramkowski Stormwater Charge Program Coordinator Transportation & Works Department Stormwater in Mississauga Why is the City
Multi-Residential Credit Program Seminar December 7th, 2015
Stormwater Charge Program Coordinator Transportation & Works Department
Why is the City introducing a Stormwater Charge?
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Photo Credit: Aaron Volkening 4
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How are charges assessed and applied?
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Stormwater Charge Assessment
(billing units)
Stormwater Rate
($/billing unit)
Stormwater Charge
($)
Ti Tier Billin illing U Unit its Smallest 0.5 Small 0.7 Medium 1.0 Large 1.2 Largest 1.7
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surface area of property individually assessed
267m2 (2,874 sq. ft.)
Peel water bill or storm-water only bill
Look up your property at www.s .storm rmwat aterchar arge ge.ca
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How are on-site stormwater works considered?
stormwater Best Management Practices (BMPs) providing direct City-wide benefits
proportional to the benefit received by City’s stormwater program
Usually on Private Property May occur on Private Property or Public System Usually in Public System Original Public System Low Impact Development and Emerging Practices Traditional Infrastructure and Watercourses 19
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Image Credit: Grand Valley State Univresity (www.gvsu.edu/stormwater)
Permeable Not Permeable
Per ermea meabl ble P e Pavement ement Bios
wales es Under Undergr ground
etent ention F
Green Roof een Roofs
are eligible
proposed stormwater BMPs
in the BMP types they implement
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– Completed application form – Supporting documentation, certified by qualified P.Eng.
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available at www.stormwatercharge.ca
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– First time credit for existing or proposed works
– Update credit amount to reflect changes to stormwater BMPs
– Approved credit about to be or recently expired
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Focused on how BMPs meet credit criteria Focused on how BMPs remain in state of good repair
– Response to Applicant within 30 days – Site visit may be required – Reviewer may have comments for Applicant to address
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BMPs are constructed and operational
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Category Evaluation Criteria Weighting
Peak Flow Reduction
Percent reduction of the 100-year post- development flow to pre-development conditions of the site
Up to 40% Total No More than 50% Water Quality Treatment
Consistent with Provincial criteria for enhanced treatment
Up to 10% Runoff Volume Reduction
Percent capture of first 15 mm of rainfall during a single rainfall event
Up to 15% Pollution Prevention
Develop and implement a pollution prevention plan
Up to 5%
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Fraction
Met 40% Credit Amount
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Fraction of Impervious Areas Serviced
10% Credit Amount
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Each mm
captured 1% Credit Amount
satisfies criteria set out in Schedule ‘A’ of the City’s Storm Sewer By-law 259-05 and is fully implemented
Percent of Pollution Prevention Plan Implemented Credit Amount 40% 2% 60% 3% 80% 4% 100% 5%
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– May also be site specific
– Logs to be kept by Applicant/Owner for compliance inspection and/or credit renewal
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to January 1st, 2016 or when BMP measures were implemented, whichever is later
retroactive to date application is deemed complete or when BMP measures were implemented, whichever is later
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Visit isit www.stormwaterc rcharg rge.ca ca
Cont
ct us us a at s stor
mississaug uga.ca ca