Rainwater Harvesting and Re-Use - Minnesota Sea Grant
Rainwater Harvesting and Re-Use Implementing Effective Policy in MinnesotaNORTHLAND INNOVATIVE STORMWATER MANAGEMENT CONFERENCE PRESENTED BY: DAVE STARK NOVEMBER 17, 2010
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
Miller - Rainwater Inventory Based On Collection, Consumption & Tank Size 4500...Gallons... 4000 3500 3000 2500 2000 1500 1000 500 0 Collected Consumed Jan Feb Mar of month Inventory End Apr May Jun Jul AugWhat-If " inventory Sep Oct Nov Dec
SLC Motor Pool Building Roof Section Square Feet Surface Northeast 4069 Green Roof Southeast 5411 Green Roof Northwest 4555 Planters/Pavers Southwest 3030 Planters/Pavers 17065 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
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
Local and State Guidance www.harvesth2o.comAccessory rainwater harvesting tanks Permitted side and rear yards No specific guidance on rainwater harvesting.Accessory raingarden Permitted in all (front, side and rear) yards Being addressed by the DLI Green Committee.
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…….
Questions or CommentsFor More Information:Dave Starkdave@starkllc.comwww.starkllc.com218-428-4413
Extra Slides Water Quality Testing Tank Issues Market Drivers