For all projects involv­ing chan­nel mod­i­fi­ca­tion, fill, or stream main­te­nance (includ­ing lev­ees), the flood car­ry­ing capac­i­ty of the water­course shall be maintained.

In addi­tion, the Coun­ty shall noti­fy adja­cent com­mu­ni­ties in writ­ing thir­ty (30) days pri­or to the issuance of a per­mit for the alter­ation or relo­ca­tion of the watercourse.