rainwater harvesting and re-use€¦ · american rainwater catchment system association (arcsa) the...
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N O R T H L A N D I N N O V A T I V E S T O R M W A T E R M A N A G E M E N T C O N F E R E N C E
P R E S E N T E D B Y :D A V E S T A R K
N O V E M B E R 1 7 , 2 0 1 0
Rainwater Harvesting and Re-UseImplementing Effective Policy in Minnesota
Outline
Overview of Rainwater Codes in the U.S. Demonstrate Recent Innovative Applications Recommendations for RWH Code for MN
Benefits•Less energy to deliver and treat•Reduce peak flows, non-point source pollution and sewer overflows•Stormwater best management practice
•Rainwater Collection System Consulting, Source, Design &
Construction
•ARCSA Accredited Professional
•Above Ground Storage
•Below Ground Storage
•Modular Stormwater Tanks
0500
10001500200025003000350040004500
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
...G
allo
ns...
Miller - Rainwater Inventory Based On Collection, Consumption & Tank Size
Collected Consumed
End of month Inventory What-If " inventory
Roof Section Square Feet SurfaceNortheast 4069 Green RoofSoutheast 5411 Green RoofNorthwest 4555 Planters/PaversSouthwest 3030 Planters/Pavers
17065
SLC Motor Pool Building
Intercept Roof Drain and Re-use on Community Garden
American Rainwater Catchment System Association(ARCSA)
The Mission of ARCSA is to promote sustainable rainwater harvesting practices to help solve potable, non-potable, stormwater and energy challenges throughout the world.
www.arcsa-usa.org
Workshops and Accreditation Program National Conference Rainwater Harvesting Guidelines Code
ARCSA and Rainwater Policy
Input
IPCUPCIAMPO
Common Code Issues
Interdisciplinary – Stormwater, Health, Plumbing Confusion on Level of Treatment for Graywater,
Reclaimed Water and Rainwater Municipal Intertie – Solutions (Air Gap, RPZ,
Separate Lines) Potable vs. Non-Potable Standards Maintenance MN Specific Issues –Freeze Protection
Where Code Issues Occur
Local and State Guidance
www.harvesth2o.com
Accessory rainwater harvesting tanks Permitted side and rear yardsAccessory raingarden Permitted in all (front, side and rear) yards
No specific guidance on rainwater harvesting.Being addressed by the DLI Green Committee.
Recent Examples from Other States
Minnesota Request for Action on Codes
Recommendations for Minnesota RWH Policy
Emphasize Stormwater Management Use ARCSA as a Resource Adopt IAMPO Green Plumbing Standards or
develop MN Specific Guidelines Seek Funding to Develop MN Specific RWH
Guidelines Educate on Local Guidelines and State Codes Form Task Force – MPCA, MDH, MDLI, MN
Extension, MIDS, Stormwater Manual, Others…….
Extra Slides
Water Quality Testing Tank Issues Market Drivers
