Montana Regulatory Program
All applications for Permits from the U.S. Army Corps of Engineers must include a delineation of special aquatic sites, including delineations of wetland boundaries. The content of acceptable wetland delineations is listed below. The same information is required if you are requesting verification of a wetland boundary in conjunction with pre-application reviews.
- Contact information for the property owner and written permission from the property owner for the Corps to enter the property.
- Contact information for the individual(s) performing the wetland delineation.
- Location of the site:
- Latitude/Longitude
- Written directions
- Location map showing the limits of the study area
- Reference Information
- Color photographs with labels
- Aerial photograph with study area shown
- National Wetland Inventory (NWI) maps (where available) with study area shown
- Soil Surveys with study area shown
- Topographic maps/USGS Quadrangle maps
- Floodplain/FEMA Flood Insurance Rate Maps maps if applicable
- Describe methodologies used, including Regional Delineation Supplements, and the rationale for the choice of methodology (routine, comprehensive, difficult wetland situations).
- Completed data forms for wetland and upland sampling points
- Results of field investigation and summary of findings
- Name each aquatic resource and provide size in acres or square feet of wetlands, as well as lakes, ponds, and linear feet of stream/tributary (i.e. Wetland A, Pond B, Trib-1, Miller Creek).
- Site map with clearly marked wetland boundaries and all other aquatic resources (streams, ponds, lakes, ditches, etc.)
- Appropriate scale (1”=50’ or 1”=100’ is recommended)
- Wetland boundary flag numbers
- Title block with north arrow, date, scale, legend, drawing name, revision dates
- Stream drainage area at the site, stream size, qualitative environmental assessment of aquatic resources on site, Cowardin classification of wetland areas, etc.
- In the Field:
- Wetland boundaries marked with numbered flags corresponding to numbers on the map.
- Recommend all other aquatic resources are marked in the field with flagging.
Contact:
- Helena Field Office - 406-441-1375
- Billings Field Office- 406-657-5910
- Missoula Field Office - 406-541-4845