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Using GIS for Stormwater Billing and Impervious Surface Calculations
The document discusses the use of GIS technology for stormwater billing and calculations of impervious surfaces, with insights from experts at Azavea. It highlights the proposed reallocation formula for stormwater charges based on imperviousness and gross area, aiming for a fairer billing system. Additionally, it emphasizes the importance of data management, education, and transparency in implementing the new billing structure.
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Similar to Using GIS for Stormwater Billing and Impervious Surface Calculations
Using GIS for Stormwater Billing and Impervious Surface Calculations
- 1. Using GIS forStormwater Billing and Impervious Surface Calculations Dana Bauer [email_address] Casey Thomas [email_address] www.phillystormwater.org
- 2. Who is Azavea?25 people - software engineers - spatial analysts - project managers Spatial Analysis Web & Mobile High Performance Geoprocessing User Experience R&D
- 3. 10% Research ProgramPro Bono Program Time-to-Give-Back Program Employee-focused Culture Projects with Social Value
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- 7. Maps courtesy PhiladelphiaWater Department/phillyH2O.org
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- 11. Schuylkill River RegularFlow vs June 2006 Flood Photos courtesy PWD
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- 13. CC image courtesyof Thomas Hawk on Flickr
- 14. CC image courtesyof JSmith Photo on Flickr
- 15. 1996 Stormwater ReallocationCitizens Advisory Council Recommendations Implement a reallocation formula Reallocate – not generate new revenue Property derived 80% based on imperviousness (IA) 20% based on gross area (GA) Phase in over several years
- 16. Some Bills GoDown Existing Charge = $ 4,702.82 New Charge = $ 120.24 Gross Area = 24,338 Imperv Area = 24,338
- 17. Some Bills GoUp Existing Charge = $ 377.23 New Charge = $ 2,496.42 Gross Area = 599,744 Imperv Area = 491,035
- 18. Implementing a newstormwater billing system Data & technology Education Transparency Appeals & credits
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- 35. PWD Enterprise GeodatabasePWD Billing Database
- 36. Photo courtesy PhiladelphiaTourism Board
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- 39. Credit Opportunities Imagescourtesy PWD
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- 42. Many Thanks! ©Photo used with permission from Alphafish , via Flickr.com
- 43. Using GIS forStormwater Billing and Impervious Surface Calculations Dana Bauer [email_address] Casey Thomas [email_address]
Editor's Notes
- #5 Photo courtesy PWD
- #6 Photo courtesy PWD
- #7 Photo courtesy PWD
- #12 Photos courtesy PWD
- #16 In 1996, the Stormwater Reallocation Citizens Advisory Council recommended that the city implement a reallocation formula based upon the gross size and the imperviousness of the property
- #19 In 1996, the Stormwater Reallocation Citizens Advisory Council recommended that the city implement a reallocation formula based upon the gross size and the imperviousness of the property
- #37 Photo courtesy Philadelphia Tourism Board
- #39 Image courtesy PWD
- #40 Images courtesy PWD