Storm Water Management at MSU Ruth Kline-Robach Michigan State University Institute of Water Research Dept. of CARRS

Red Cedar River Phase II Storm Water Rules

 Illicit Discharge Elimination  Public Involvement/Public Education  Construction Site Storm Water Control  Storm Water Pollution Prevention & Good Housekeeping  Post Construction Storm Water Management for New Development and Redevelopment Watershed-based Approach  Illicit Discharge Elimination  Public Involvement/Public Education  Construction Site Storm Water Control  Storm Water Pollution Prevention & Good Housekeeping  Post Construction Storm Water Management for New Development and Redevelopment Watershed-based Approach Storm Water Requirements

Greater Lansing Regional Committee (GLRC)

Illicit Discharge Elimination Plan  Inventory of Outfalls  Field Investigation of All Outfalls  Mapping of Outfalls into GIS and Database  Correcting Problems

Public Education Plan

Pollution Prevention and Good Housekeeping Activities  Employee/Contractor Training  Structural Storm Water Control Effectiveness  Roadways, Parking Lots and Bridges  Fleet Maintenance and Storages Yards; and  Managing Vegetated Properties

Post Construction Storm Water Management Minimum Water Quality Treatment Volume Channel Protection Criteria Handling storm water onsite using Low Impact Design (LID) techniques All projects over one acre must meet

Post-Construction Controls: Quality New Permit Post-Construction Controls: Quality Minimum treatment volume standard  One inch of runoff from entire site  Treatment designed for 80 percent removal of total suspended solids (TSS) or less than 80 milligrams per liter TSS

Post-Construction Controls: Quantity New Permit Post-Construction Controls: Quantity Channel Protection Standard  Maintain post-development runoff volume at or below existing levels.  Maintain post-development runoff peak rate at or below existing levels.  Based on 2-year, 24-hour storm.

Program Components Minimum Water Quality Treatment Volume Channel Protection Criteria Site Plan Requirements Operation and Maintenance Requirements Enforcement Mechanisms Recordkeeping Procedures Permittees shall ensure long-term Operation and Maintenance (O&M) plans for the water quality treatment and channel protection controls the permittee requires.

Some Flexibility Allowed for Post-Construction Controls  Allows alternative approaches (need MDNRE approval)  Treat the contiguous campus as one site  MDNRE has agreed to allow volume control at an alternative or regional site at a 1.2 multiplier  Establish an offset/bank program to meet standards

Alternative Approach Highlights for MSU  All projects will need to complete a storm water evaluation of the site including a cost estimate for required measures  Storm Water Review Committee will decide if regional approach is warranted for some or all storm water controls  Storm water fee will be assigned to each project that will include maintenance costs

Timeline  MSU’s Alternative Approach will be submitted to MDNRE by July 1, 2010 with implementation upon approval  Projects that start schematic design after July 1, 2010 will be required to follow the new procedure  All projects already in process should implement measures that are possible to meet the intent of interim compliance under the current permit

Storm Sewer Outfall 42 Orthophoto and Storm Sewer Data from Engineering and Architectural Services, MSU Physical Plant Division Watershed and Microcatchment Delineations by David P. Lusch, Ph.D. Center for Remote Sensing and GIS Michigan State University July, 2002 Watershed of Outfall 42 Microwatersheds of Catchbasins Storm Sewer System discharging at Outfall 42 Sponsored by MSU-WATER Micro-watershed Delineation

Mount Hope Wetland

Surplus Store & Recycling Center

Erickson Hall Rain Garden

PSS Green Roof

 10 oil-water separators located throughout campus  LID Implementation:  Commuter Lot expansion  Farm Lane Underpass bioretention – monitoring and outreach/education  Nutrient separating baffle box installation and monitoring/Cyclone separator  10 oil-water separators located throughout campus  LID Implementation:  Commuter Lot expansion  Farm Lane Underpass bioretention – monitoring and outreach/education  Nutrient separating baffle box installation and monitoring/Cyclone separator Additional Activities

Completed Projects  Eliminated 11 acres of dense residential development in flood plain (University Village)  Eliminated 1.5 acres of road corridor on N. Campus (East Circle Drive)  Planted 994 trees and 2,596 shrubs in 2008  Residence Hall and General Fund building floor drain study

What’s Next?  Storm Water Master Plan development and alternative approach implementation  Integration with Campus Master Plan  Continued participation with the GLRC

Eventually, all things merge into one, and a river runs through it. The river was cut by the world’s great flood and runs over rocks from the basement of time. On some of the rocks are timeless raindrops. Under the rocks are the words, and some of the words [will be ours]. —Norman Maclean