Duluth UDC § 803.01

1. An undisturbed buffer shall be maintained for 50 feet, measured horizontally, on both banks (as applicable) of the stream as measured from the line of wrested vegetation. The land forming the bank is also considered part of the buffer for purposes of this Code Division. 2. An additional setback shall be maintained for 25 feet, measured horizontally, beyond the undisturbed buffer, in which all impervious cover shall be prohibited. Grading, filling and earthmoving shall be minimized within the setback. 3. No septic tanks or septic tank drain fields shall be permitted within the buffer or the setback. 214 | P a g e Article Eight. Environmental Protection Any land development activity within a buffer established hereunder or any impervious cover within a setback established hereunder is prohibited unless a variance is granted pursuant to Section 803.02 herein.