(Lafayette, Baton Rouge and Lake Charles were all in the top 10.)
Transcript of "Urban rainwater catchment for master gardeners 3.7.13"
Urban Rainwater Catchment Native Buffalo Grass, 6” tall max
Mission● Build a healthy, sustainable New Orleans, one yard at a time.
Nola Rainwater Harvest:● Bioretention Areas● Cisterns● Anatomy of a Rain Barrel● Why rainwater harvest is important
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
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
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