Turbidity Curtain DOT Requirements by State

Turbidity curtains, also known as silt curtains, are essential tools for construction projects near water bodies. They act as barriers, containing sediment and preventing it from clouding the water and harming aquatic life. While the overall goal of these curtains is the same across the US, the specific requirements set by each state’s Department of Transportation (DOT) can vary significantly.

Always consult your state’s DOT website or contact the relevant authorities for the latest and most accurate information. By staying informed, you can ensure your construction project minimizes its impact on the environment and complies with all regulations.

Additional Tips:

  • Partner with an experienced turbidity curtain supplier or contractor familiar with your state’s specific requirements. Elastec’s representatives can provide the expertise you need regarding deployment, anchoring and turbidity curtain price.
  • Choose curtains appropriate for the water conditions and project duration.
  • Properly deploy and maintain the curtains according to regulations and best practices.
  • Monitor turbidity levels and adjust the curtains as needed throughout the project.

By taking these steps, you can ensure your construction project runs smoothly while protecting the health of our waterways. Below are links to each state’s department of transportation website to help you gather more information. View our guide on how to install turbidity curtains and make sure to tell us about your project. Our team can give you the expert advice you need for a successful installation.


Alabama Department of Transportation (ALDOT)

Alaska Department of Transportation

Arizona Department of Transportation (ADOT)

Arkansas Department of Transportation (ARDOT) 

California Department of Transportation (CALTRANS)

Colorado Department of Transportation (CDOT)

Connecticut Department of Transportation

Delaware Department of Transportation (DELDOT)

Florida Department of Transportation (FDOT)

Georgia Department of Transportation (GDOT) 

Hawaii Department of Transportation (HDOT)

Idaho Department of Transportation

Illinois Department of Transportation (IDOT)

Indiana Department of Transportation (INDOT)

Iowa Department of Transportation

Kansas Department of Transportation (KDOT)

Kentucky Department of Transportation

Louisiana Department of Transportation

Main Department of Transportation

Maryland Department of Transportation (MDOT)

Massachusetts Department of Transportation (MASSDOT)

Michigan Department of Transportation (MDOT)

Minnesota Department of Transportation

Mississippi Department of Transportation

Missouri Department of Transportation (MODOT)

Montanna Department of Transportation 

Nebraska Department of Transportation

Nevada Department of Transportation

New Hampshire Department of Transportation

New Jersey Department of Transportation

New Mexico Department of Transportation

New York Department of Transportation

North Carolina Dpartment of Transportation (NCDOT)

North Dakota Department of Transportation

Ohio Department of Transportation (ODOT)

Oklahoma Department of Transportation (ODOT)

Oregon Department of Transportation

Pennsylvania Department of Transportation (PENNDOT)

Rhode Island Department of Transportation (RIDOT)

South Carolina Department of Transportation (SCDOT)

South Dakota Department of Transportation

Tennessee Department of Transportation (TDOT)

Texas Department of Transportation (TXDOT)

Utah Department of Transportation (UDOT)

Vermont Department of Transportation

Virginia Department of Transportation (VDOT)

Washington State Department of Transportation

West Virginia Department of Transportation

Wisconsin Department of Transportation

Wyoming Department of Transportation (WYDOT)


Type 3 DOT turbidity curtain

Turbidity Curtains

Turbidity curtains, silt curtains, silt barriers, or turbidity barriers, as they are sometimes called, are floating barriers used in marine construction, dredging, and remediation projects to control the silt and sediment in a body of water. Elastec turbidity curtains can be set up to keep construction areas in compliance and protect the environment. American Marine, a division of Elastec, has been manufacturing quality turbidity curtains since 1967. Learn more about Turbidity Curtains

Siltmax Type 1 economy silt curtain

Type 1 Turbidity Curtains

Type 1 turbidity curtains or silt curtains, as they are sometimes called, are floating barriers designed to control sediment and runoff at construction sites in calm waters. They are designed for easy deployment and meet Federal and State clean water requirements. Learn more about Type 1 Turbidity Curtains

Type II silt curtain

Type 2 Turbidity Curtains

Type 2 turbidity curtains or silt curtains, as they are sometimes called, are durable curtains that are suitable for mild currents, waves, and wind. These barriers are designed for the control of silt and sediment during marine construction and dredging. They are available in impermeable and permeable options. Learn more about Type 2 Turbidity Curtains

Type 3 DOT turbidity curtain

Type 3 Turbidity Curtains

Type 3 turbidity curtains or silt curtains, as they are sometimes called, are suitable for use in tidal zones, rivers, and bays. Different filter cloths can be used to accommodate the design of the project and the type of sediment present. This type of curtain is well suited for bridge, intake, and pipeline construction projects. It is available in permeable and impermeable options. Learn more about Type 3 Turbidity Curtains


TURBIDITY CURTAIN QUESTIONNAIRE

In order that we may recommend the best Turbidity Curtain for your project, please provide the following information. We have included some questions that will help us better understand your needs. Please answer as many as possible. If the flow rate is high, Elastec can provide modeling data to determine anchor spacing and feasibility of systems.

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