Iowa Admin. Code r. 567-72.9

Current through Register Vol. 47, No. 5, September 4, 2024

Rule 567-72.9 - Stream protective devices

The following criteria shall apply to stream protective devices.

(1)Overflow. Stream protective devices shall be constructed in a manner which will not cause premature overbank flow.

(2)Velocity. Increased velocities resulting from the construction, operation, and maintenance of stream protective devices shall be limited so as not to cause excessive scour in the channel as determined by the department.

(3)Stability. Stream protective devices shall be anchored securely to the bank or constructed in a stable manner so as not to become dislodged and result in the scattering of debris in adjacent and downstream reaches.

(4)Water quality and aesthetics. Stream protective devices shall not adversely affect the water quality, fish and wildlife habitat or aesthetics of the stream.

Iowa Admin. Code r. 567-72.9