Many state departments of transportation (DOTs) maintain a stormwater website where they post their NPDES permit, program-related information, and specific actions they are taking to reduce stormwater pollution.

Visit the following non-EPA websites to learn more about how state DOTs are managing stormwater runoff.

Other Federal Websites

• Federal Highway Administration (FHWA)— Reports and guidance for transportation departments to better control stormwater along highways.
• U.S. Geological Survey (USGS) —An overview of stormwater, common concerns, publications, and other useful information.

State DOT Stormwater Websites

• Alabama DOT (ALDOT)
• Alaska DOT & Public Facilities Resources (Alaska DOT&PF)
• Arkansas DOT (Arkansas State Highway and Transportation Department – AHTD)
• Arizona DOT (ADOT)
• California DOT (Caltrans)
• Colorado DOT (CDOT)
• Connecticut DOT (ConnDOT)
• Delaware DOT (DelDOT)
• Hawaii DOT (HDOT)
• Indiana DOT (INDOT)
• Florida DOT (FDOT)
• Illinois DOT (IDOT)
• Kansas DOT (KDOT)
• Louisiana DOT (Louisiana Department of Transportation and Development - DOTD)
• Michigan DOT (MDOT)
• Minnesota DOT (MnDOT)
• Mississippi DOT (MDOT)
• Missouri DOT (MoDOT)
• Montana DOT (MDT)
• Nebraska DOT (NDOR)
• Nevada DOT (NDOT)
• New York State DOT (NYSDOT)
• North Carolina DOT (NCDOT)
• North Dakota DOT (NDDOT)
• Ohio DOT (ODOT)
• Oregon DOT (ODOT)
• Pennsylvania DOT (PennDOT)
• Rhode Island DOT (RIDOT)
• South Carolina DOT (SCDOT)
• South Dakota DOT (SDDOT)
• Tennessee DOT (TDOT)
• Texas DOT (TxDOT)
• Utah DOT (UDOT)
• Vermont DOT (VTrans)
• Virginia DOT (VDOT)
• Washington State DOT (WSDOT)
• West Virginia DOT (WVDOT)
• Wisconsin DOT (WisDOT)

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