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Denver Regulatory Office | 9307 South Wadsworth Blvd | Littleton | Colorado | 80128-6901 | Ph: 303-979-4120 | Fax: 303-979-0602

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 Permit Summaries
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Nat'l Regulatory Info

National Regulatory Guidance
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Regulatory Guidance Letters and other Documents
Rapanos/Carabell and Jurisdiction Guidance

6-Jan-11 National Wetland Plant List (updated draft) available for review and comment.
Oct-2010

Field Indicators of Hydric Soils in the United States, NRCS Guide for Identifying and Delineating Hydric Soils, Version 7.0, 2010
Apr-2010 Updated Regional Supplements to the 1987 Wetland Delineation Manual
Sep-2009 New Individual Permit Application 4345
 New Individual Permit Application 4345 Instructions
14-Sep-09 National Wetland Plant List Corps' national website for updating the National Wetland Plant List
10-Oct-08 Regulatory Guidance Letter 08-03 Minimum Monitoring Requirements for Compensatory Mitigation Projects
10-Apr-08 Compensatory Mitigation for Losses of Aquatic Resources Final Rule


Colorado and Denver Regulatory Office Guidance

15-Sep-09 Statewide guidance for 404(f)(1) exemptions for maintenance of irrigation ditches
10-Apr-09 FACWet Functional Assessment of Colorado Wetlands
21-Aug-08 NEPA/404 Merger Agreement for FHWA/CDOT Transportation Projects in Colorado
9-Jun-06 Guidance for permitting of development projects where floodplains are involved
(Denver Regulatory Office)
29-Mar-06 Guidance for NWP3 authorization to replace upland areas lost as a result of a discreet event such as flooding (Corps' Northwestern Division)
24-Jun-05 Guidance for use of NWP27 (Denver Regulatory Office)
23-May-05

Sediment/Vegetation Removal in Stream Channels and Floodplains in Colorado
15-Mar-05 Clarification and responsibilities of an applicant's agent on Individual Permit Applications
 (Denver Regulatory Office)
8-Feb-2005 Individual Permit Feb 2005 Workshops (Denver Regulatory Office)
Jul-9-2004 Mitigation in Detention/Retention Basins (Denver Regulatory Office)