Stormwater Management and Best Management Practices
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STORMWATER
CONTROL
MS4 Protecting Our Environment.
STORMWATER POLLUTION
•
Stormwater runoff is generated from rain and snowmelt events that flow over
land or impervious surfaces, such as paved streets, parking lots, and building
rooftops, and does not soak into the ground. The runoff picks up pollutants
like trash, chemicals, oils, and dirt/sediment that can harm our rivers, streams,
lakes, and coastal waters.
•
Population growth and the development of urban/urbanized areas are major
contributors to the amount of pollutants in the runoff as well as the volume
and rate of runoff from impervious surfaces.
•
Traditional stormwater management approaches that rely on peak flow
storage have generally not targeted pollutant reduction and can exacerbate
problems associated with changes in hydrology and hydraulics.
2
9/23/2024
Add a footer
MINIMUM CONTROL MEASURES
TOWNSHIP GOALS
•
Educate
•
Public Involvement
•
Discharge Detection
•
Construction Runoff / Post-
Construction Management
•
Pollution Prevention
3
9/23/2024
Permit Requirements
STORMWATER MANAGEMENT
4
9/23/2024
Add a footer
Modern
stormwater management
, including
proper planning, the use of green infrastructure,
and public education, reduces runoff and runoff
pollution to protect and improve water quality.
What is the definition of Best Management Practice
BMP?
Are structural, vegetative or managerial practices used
to treat, prevent or reduce water pollution?
5
9/23/2024
Best Management Practice
Add a Slide Title - 5
CONSTRUCTION / BMP
6
9/23/2024
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BEST
MANAGEMENT
PRACTICES
NON STRUCTUAL AND STRUCTUAL BMPS
BMP EXAMPLES
NON STRUCTUAL BMP
STRUCTUAL BMP
8
9/23/2024
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WHAT CAN I DO AT HOME TO STOP
STORMWATER POLLUTION
9
9/23/2024
Add a footer
10
9/23/2024
Add a footer
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Farmers and ranchers can
reduce erosion and
sedimentation by 20 to 90
percent by applying
management practices that
control the volume and flow
rate of runoff water, keep the
soil in place, and reduce soil
transport.
FARMING
The six most cost-effective conservation
practices include:
•
Streamside Fencing
•
Streamside Buffers
•
Nutrient Management Plans (NMPs)
•
Continuous No-Till
•
Multi-Species Cover Crops
•
Grazing
12
9/23/2024
Add a footer
LOCAL GOVERNMENT’S ROLE
IN REDUCING
STORMWWATER POLLUTION
13
9/23/2024
What can local government do to reduce stormwater pollution
Greene Township’s Role
in Reducing
Stormwater Pollution
•
Public Education
—informing individuals and households about
the pollution potential of common activities, such as washing
cars, applying lawn chemicals, changing motor oil, and disposing
of leftover paint and household chemicals so that individuals can
take direct action to reduce pollution.
•
Public Involvement
—involving the public in the development,
implementation, and review of an MS4's stormwater
management program.
•
Illicit Discharge Detection & Elimination
—practices for
identifying and eliminating discharges that are not composed
entirely of stormwater and spills to stormdrain systems.
•
Construction
—practices for municipalities and construction site
operators to address stormwater runoff from active construction
sites. This includes erosion and sediment control, procedures for
reviewing construction site plans, considering information
submitted by the public, and inspection and enforcement of
stormwater requirements.
•
Post-Construction
—practices for municipalities, developers, and
property owners to address stormwater runoff on property after
construction activities have completed. For example, landscaped
"infiltration islands," use of porous asphalt, grassed swales, and
much more.
•
Pollution Prevention/Good Housekeeping
—practices for
municipalities to address stormwater runoff from their own
facilities and activities, including winter road maintenance,
infrastructure repair, automobile fleet maintenance, street
sweeping, and landscaping to name a few.
Spill Response
Public Education
Winter Road Maintenance
Street Sweeping
14
9/23/2024
Add a footer
If you have a question contact Greene Township
717-263-9160
15
9/23/2024
Add a footer
Stormwater management is crucial for protecting our environment from pollutants in runoff water. Best Management Practices (BMPs) are a combination of structural, vegetative, and managerial techniques used to prevent water pollution and improve water quality. Learn about stormwater pollution, minimum control measures, and practical solutions to reduce runoff pollution. Explore examples of BMPs and discover what actions you can take at home to minimize stormwater pollution effectively.
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Presentation Transcript
STORMWATER CONTROL MS4 Protecting Our Environment.
STORMWATER POLLUTION Stormwater runoff is generated from rain and snowmelt events that flow over land or impervious surfaces, such as paved streets, parking lots, and building rooftops, and does not soak into the ground. The runoff picks up pollutants like trash, chemicals, oils, and dirt/sediment that can harm our rivers, streams, lakes, and coastal waters. Population growth and the development of urban/urbanized areas are major contributors to the amount of pollutants in the runoff as well as the volume and rate of runoff from impervious surfaces. Traditional stormwater management approaches that rely on peak flow storage have generally not targeted pollutant reduction and can exacerbate problems associated with changes in hydrology and hydraulics. 2 9/23/2024 Add a footer
MINIMUM CONTROL MEASURES TOWNSHIP GOALS Educate Educate Public Involvement Pollution Prevention Discharge Detection Public Construction Runoff / Post- Construction Management Pollution Prevention Construction Runoff Discharge 3 9/23/2024 Permit Requirements
STORMWATER MANAGEMENT Modern stormwater management, including proper planning, the use of green infrastructure, and public education, reduces runoff and runoff pollution to protect and improve water quality. 4 9/23/2024 Add a footer
What is the definition of Best Management Practice BMP? Are structural, vegetative or managerial practices used to treat, prevent or reduce water pollution? 5 9/23/2024 Best Management Practice
CONSTRUCTION / BMP Add a Slide Title - 5 6 9/23/2024 Add a footer
BEST MANAGEMENT PRACTICES NON STRUCTUAL AND STRUCTUAL BMPS
BMP EXAMPLES NON STRUCTUAL BMP STRUCTUAL BMP 8 9/23/2024 Add a footer
WHAT CAN I DO AT HOME TO STOP STORMWATER POLLUTION 9 9/23/2024 Add a footer
Dont dump anything down the stormdrains. Stormdrains are for stormwater. Not mop water, not your used motor oil, not your car washing rinse water. This water does not get any sort of cleaning treatment before it makes it s way into our rivers, so help ensure only water from the sky ends in our stormdrains. Throw your trash in the garbage. Litter will make its way into our rivers through the stormdrain system. In addition to being unsightly, trash can harbor bacteria biofilms that encourage the growth of harmful bacteria. Consider a rain barrel. Capturing and reusing that rainwater means less of it can carry pollutants to the river. Your garden will be thankful for that sweet chlorine free water. Direct your downspouts back onto your garden. If rain barrels are not your thing, at least direct the downspout water away from your impervious driveway and back onto your garden. Your plants and the soil will filter that water on its way to the river. Throw your cigarette butts away. Some people don t seem to have second thoughts about throwing butts on the ground. They are gross and contribute to the toxicity of the river. 10 9/23/2024 Add a footer
Farmers and ranchers can reduceerosion and sedimentation by 20 to 90 percent by applying management practices that control the volume and flow rate of runoff water, keep the soil in place, and reducesoil transport. FARMING
The six most cost-effective conservation practices include: Streamside Fencing Streamside Buffers Nutrient Management Plans (NMPs) Continuous No-Till Multi-Species Cover Crops Grazing 12 9/23/2024 Add a footer
LOCAL GOVERNMENTS ROLE IN REDUCING STORMWWATER POLLUTION 13 9/23/2024 What can local government do to reduce stormwater pollution
Public Educationinforming individuals and households about the pollution potential of common activities, such as washing cars, applying lawn chemicals, changing motor oil, and disposing of leftover paint and household chemicals so that individuals can take direct action to reduce pollution. Greene Township s Role in Reducing Stormwater Pollution Public Involvement involving the public in the development, implementation, and review of an MS4's stormwater management program. Illicit Discharge Detection & Elimination practices for identifying and eliminating discharges that are not composed entirely of stormwater and spills to stormdrain systems. Spill Response Public Education Winter Road Maintenance Street Sweeping Construction practices for municipalities and construction site operators to address stormwater runoff from active construction sites. This includes erosion and sediment control, procedures for reviewing construction site plans, considering information submitted by the public, and inspection and enforcement of stormwater requirements. Post-Construction practices for municipalities, developers, and property owners to address stormwater runoff on property after construction activities have completed. For example, landscaped "infiltration islands," use of porous asphalt, grassed swales, and much more. Pollution Prevention/Good Housekeeping practices for municipalities to address stormwater runoff from their own facilities and activities, including winter road maintenance, infrastructure repair, automobile fleet maintenance, street sweeping, and landscaping to name a few. 14 9/23/2024 Add a footer
If you have a question contact Greene Township 717-263-9160 15 9/23/2024 Add a footer
