[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[H.R. 3817 Introduced in House (IH)]

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119th CONGRESS
  1st Session
                                H. R. 3817

To require the Corps of Engineers to notify affected communities before 
     releasing water contaminated with cyanotoxins from flood risk 
             management structures, and for other purposes.


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                    IN THE HOUSE OF REPRESENTATIVES

                              June 6, 2025

   Mr. Mast introduced the following bill; which was referred to the 
             Committee on Transportation and Infrastructure

_______________________________________________________________________

                                 A BILL


 
To require the Corps of Engineers to notify affected communities before 
     releasing water contaminated with cyanotoxins from flood risk 
             management structures, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Toxic Health Threat Warning Act of 
2025''.

SEC. 2. RELEASES OF WATER CONTAMINATED WITH CYANOTOXINS.

    (a) Determination.--Before any planned release of water from a 
flood risk management structure, the Secretary shall determine whether 
the water is contaminated with cyanotoxins, based on tests conducted by 
the Secretary, another Federal agency, or the State in which the flood 
risk management structure is located.
    (b) Notification.--If the Secretary determines under subsection (a) 
that water to be released from a flood risk management structure 
contains cyanotoxins at levels greater than 8 parts-per-billion, the 
Secretary shall notify the public and affected governments of the 
determination and planned release, and any potential effects on human 
health, before releasing the water.
    (c) Definitions.--In this section:
            (1) Affected government.--The term ``affected government'' 
        means a State, local, or Tribal government with jurisdiction 
        over an area that will be affected by a release of water from a 
        flood risk management structure.
            (2) Secretary.--The term ``Secretary'' means the Secretary 
        of the Army, acting through the Chief of Engineers.
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