MS4 Minimum Control Measure

Best Management Practice

 Goal

MCM#1
Public Education and Outreach

Educational Displays, Pamphlets, Booklets and Utility Stuffers

Increase employee and resident students awareness of stormwater management plan

Promotional Give-aways

Use promotional materials to reinforce proper habits, adherence to procedures and BMPs, and the impacts of various activities on stormwater quality.

Proper Disposal of Household Hazardous Waste (HHW)

Support adherence to proper hazardous waste disposal and management procedures and BMPs and increase awareness of the impacts of hazardous wastes on stormwater quality.

Stormwater Educational Materials

Develop various educations materials and strategies that reinforce proper habits, adherence to procedures and BMPs, and increase awareness of the impact of various activities on stormwater quality.

Trash Management

Continuously reinforce proper waste management and recycling habits, promote available services and adherence to procedures and BMPs, and increase awareness of the impact of improper trash management on stormwater quality.

MCM#2
Public Participation and Involvement

Attitude Surveys

Assess employee and student awareness of stormwater management program

Community Cleanups

Involve employees and students in stormwater management activities

Community Hotlines

Provide employees, students, and public users of campus facilities an avenue to report stormwater pollution issues.

Storm Drain Stenciling

Point of use awareness tool to prevent illegal dumping

MCM#3
Illicit Discharge Detection and Elimination

Identifying Illicit Connections

Eliminate illicit connections to reduce/eliminate non-stormwater discharge through a storm drain system

Information Management System (IMS)

Database for monitoring and recording illicit discharges, inspection results, and improvements/corrective actions.

Recycling Program

Promote material recovery, conservation, and reduce/eliminate the occurrence of improper disposal of wastes that can impact stormwater quality.

Sanitary Sewer Overflow (SSO)

Prevent SSO events and continue ongoing infrastructure assessments and maintenance activities.

Campus-wide Sewer System Map

Assist in the management, inspections, maintenance, and development of storm drain system.

Employee Training

Ensure impacted employees are trained to identify and investigate illicit discharges via inspections and monitoring activities.

Wastewater Connections to the Storm Drain System

Eliminate illicit waste water connections to storm drain system.

MCM#4
Construction Site Runoff Control

BMP Inspection and Maintenance

Ensure erosion and sediment control devices are in place and functioning properly.

Check Dams

Reduce erosion and sedimentation through velocity reduction.

Construction Entrances

Reduce soil loss from movement off site.

Construction Reviewer

Ensure BMPs are in place and functioning properly.

Dust Control

Reduce erosion and sedimentation from construction site.

Filter Berms

Reduce erosion and sedimentation from construction site.

Construction Site Waste Management and Recycling

Reduce potential polluting of surface or ground water from construction site wastes (special, hazardous, solid) and provide/require recycling

Grass-lined Channels

Reduce erosion and sedimentation from construction site

Information Management System (IMS)

Database for monitoring and recording BMP inspection results and improvements/corrective actions.

Land Grading

Reduce erosion and sedimentation.

Mulching

Reduce erosion and sedimentation.

Ordinance/Regulatory Mechanism

To ensure all bidders and awardees of contracts are aware of UMaine’s construction site management requirements, to include erosion and sediment control BMPs.

Permanent Seeding

Reduce erosion and sedimentation from construction site

Preserving Natural Vegetation

Protect desirable plantings and reduce erosion and sedimentation from construction sites.

Riprap

Reduce erosion and sedimentation.

Silt Fence

Reduce erosion and sedimentation.

Sodding

Reduce erosion and sedimentation.

Soil Retention

Reduce erosion and sedimentation.

Employee Training

Ensure BMPs, structures, and inspections are completed and reviewed as required and maintenance activities are initiated as per Bid Documents and Project Manual

Storm Drain Inlet Protection

Reduce erosion and sedimentation from construction site

Vegetated Buffer

Protect water quality of areas adjacent to construction sites.

MCM#5
Post-Construction Runoff Control

Alternative Pavers and Surfaces

Reduce/contain amount of impervious surfaces to encourage and enhance infiltration.

Alternative Turnarounds

Reduce amount of impervious surfaces by creating loop roads, hammerheads, etc.

BMP Inspection and Maintenance

Ensure BMPs are in place, inspected, and functioning properly.

Buffer Zones

Concentrate development to preserve or establish open spaces and maintain pervious surfaces.

Catch Basin Cleaning/Inserts

Stormwater pretreatment to capture oils and solids, and reduce pollutants and particulates in the storm drain system.

Dry Extension Detention Ponds

Stormwater pretreatment to allow particulates to settle out and not enter storm drain system.

Eliminating Curbs and Gutters

Reduce potention pollutant load from stormwater through use of vegetative areas, etc.

Grassed Filter Strip

Reduce velocity and potential pollutant/particulate load from stormwater

Grassed Swales

Encourage infiltration and filtration of particulates and potential pollutants to reduce volume and pollutants entering storm drain system.

Green Parking

Reduce impervious surfaces and reduce stormwater volumes entering a storm drain system.

Identification of BMPs

Develop a single location/point of contact/document for stormwater management plan description and facilitation.

Infiltration Basins and Trenches

Reduce stormwater volume to storm drain system through infiltration.

Infrastructure Planning

Develop appropriate infrastructure planning to support the growth and development needs of the campus while consolidating structures and infrastructure where possible to preserve open spaces and pervious surfaces for pretreatment.

In-line Storage

Reduce flow velocities in storm drain system to reduce impact at outfall.

Manufactured Products for Stormwater Inlets

Pretreatment structures to reduce pollutants and particulates in storm drain.

On-lot Treatment

Reduce amount of stormwater entering the storm drain system and reduce potential pollutants through infiltration and filtration.

Open Space Design

Reduce amount of impervious surfaces by maintaining open spaces and pervious surfaces to support infiltration and filtration.

Publication of BMPs

Publicize Stormwater related BMPs to increase compliance and awareness.

Stormwater Wetland

Reduce stormwater volumes entering storm drain system by creating pond areas with plantings.

Wet Ponds

Reduce stormwater volumes entering storm drain system by detaining stormwater to support infiltration and filtration.

MCM#6
Pollution Prevention/Good Housekeeping

Alternative Products

Reduce the use of toxic chemicals, solvents, compounds, and other pollutants to the maximum extent possible.

Automobile Maintenance

Reduce toxics in fleet and motorpool maintenance activities and continue to support the Spill Prevention Control and Counter Measure Plan (SPCC) and Stormwater Polluction Prevention Plan (SWPPP) requirements by inspecting areas, cleaning up/managing spills, and spill prevention/elimination.

Pollution Prevention (P2) Plan

Develop a comprehensive resource detailing stormwater and industrial activity inspection and management protocols.

Employee Training and Training Materials

Train staff on P@ elements, ensure an understanding of and compliance with the requirements, and provide forms and instruction documents as necessary.

Hazardous Materials Storage

Follow established University policies and procedures to properly store hazardous materials and prevent/eliminate spills.

Illegal Dumping Control

Develop and implement strategies to prevent/eliminate illegal dumping.

Information Management System (IMS)

Database for monitoring and recording BMP inspection results and improvements/corrective actions.

Landscaping and Lawn Care

Conserve water, prevent/eliminate erosion, and contribute to and use product from on-site composting program.

Materials Management

Store, cover, protect, and secure materials for storage to prevent spills, run-off, leaching, sedimentation, and erosion.

Parking Lot and Street Sweeping

Maintain parking lot and road management and maintenance practices to reduce pollutants entering the storm drain system.

Pest Control

Utilize integrated pest management approach to managing prests and reduce/eliminate opportunities for pests (rodents, birds, etc.) to scavenge and spread trash.

Road Salt Application and Storage

Cover stored sand/salt/mix to prevent/eliminate leaching, sedimentation, and wash-out, and use sand/salt mix as efficiently as possible.

Roadway Maintenance

Maintain road and walkway surfaces, vegetative areas, and runoff control structures to reduce concentrations of contaminants entering storm drain system.

Spill Response and Prevention

Following University SPCC Plan and Hazardous Material Management Program.

Storm Drain System Cleaning

Reduce or eliminate SSO events and reduce pollutants and debris in storm drain system.

Used Oil Recovery

Reduce or eliminate used oil from entering the storm drain system from do-it-yourself oil changing on campus and fleet/motorpool functions.

Vehicle Washing

Wash all vehicles in designated facilities that collect and discharge wash water and contaminants to sanitary sewer system.