Urban rainwater catchment for master gardeners 3.7.13

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2013 MGGNO Spring Symposium

2013 MGGNO Spring Symposium

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  • (Lafayette, Baton Rouge and Lake Charles were all in the top 10.)

Transcript

  • 1. Urban Rainwater Catchment Native Buffalo Grass, 6” tall max
  • 2. Mission● Build a healthy, sustainable New Orleans, one yard at a time.
  • 3. Nola Rainwater Harvest:● Bioretention Areas● Cisterns● Anatomy of a Rain Barrel● Why rainwater harvest is important
  • 4. Why rainwater harvest in NOLA?● NOLA is the third rainiest city in the 48 contiguous states ● 65 inches of rain/year ● Our rain comes down all at once ● Water is a universal solvent, transporting contaminants to Lake Pontchartrain + wetlands
  • 5. BIO RETENTION Results:Retention: ● ● Reduced need for irrigation Less water into Storm System● Collects runoff ● Clean water● Recharges Water Table● Deep Root WateringBiomass:• Wicks H20 via transpiration• Removes contaminants
  • 6. http://www.architectityourself.com/wp-content/uploads/2011/06/section.jpg
  • 7. Oregon Environmental Councilhttp://www.oeconline.org/our-work/rivers/stormwater/low-impact-development/ past-low-impact-development-workshops
  • 8. Jefferson County Dept Of Health Environmental Health—Watershed Protection Divisionhttp://wpd.jcdh.org/sites/swp/SitePages/Low%20Impact%20Development%20(LID).aspx
  • 9. Proposed Bioretention Area for Gentilly
  • 10. Wildflower Bioswale
  • 11. Wildflower Bioswale
  • 12. RAINWATER DIVERSION
  • 13. CISTERNS = LOUISIANA HERITAGE
  • 14. Why Cisterns●Save Money●Every 1,000 sq ft of roof: 625gal. H20 per 1” rain●Avg Nola shotgun roof (1850sq ft) can collect 1,156.25 gal.H20●Save Nola●Save Nolas Money! Herman Grima/Gallier Historic House
  • 15. CISTERN TYPES +CONFIGURATIONS
  • 16. CISTERN ACCESSORIES
  • 17. Straining Basket Calming Inlet
  • 18. Mosquito Flap Overflow Siphon
  • 19. Float Valve
  • 20. INTEGRATED RAIN HARVEST
  • 21. Case Study: Comprehensive System
  • 22. Demetria Christo 504-274-8774contact@ecourbanllc.com www.ecourbanllc.com