401 Water Quality Certification
401 Exemptions
Certain activities are exempt from regulation under Section 404 and therefore Section 401 (Water Quality Certification). These activities are:
- normal farming, silviculture, and ranching practices
- maintenance of existing serviceable structures (dikes, dams, riprap, bridge abutments)
- construction or maintenance of farm or stock ponds and irrigation ditches and maintenance of drainage ditches
- temporary sedimentation basins on construction sites if fill is not in a navigable waterway
- construction or maintenance of farm, forest or temporary mining roads where BMPs are used
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