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…….

Questions or Comments

For More Information:

Dave Starkdave@starkllc.comwww.starkllc.com218-428-4413

Extra Slides

Water Quality Testing Tank Issues Market Drivers