Regional Water Quality Control Board, Region 1 (North Coast), Santa Rosa
Coleman Valley Road Culverts Replacement
NOE - Notice of Exemption
The primary purpose of the Project is to replace two failed culverts on Coleman Valley Road that are currently contributing to roadway failures. The proposed project would include removal of the existing corrugated metal pipe (CMP) 40-foot culverts and associated fill material and replacement with 100 year flood capacity, 40-foot high density polythylene type-s (HDPE-S) double-walled culverts.