Summary of New and Modified Nationwide Permits

 
 
NWP
 Title/Description Applicable Waters Acreage and Linear Limits   PCN Threshold
3  Maintenance
  • added removal of accumulated sediments from vicinity of existing structures 
  • added activities in waters of U.S. associated with replacing uplands damaged by storms
 all waters 200 linear feet from structure; 50 cubic yards all except repair, replacement, or rehabilitation of structures or fills
7  Outfall Structures and Maintenance 
  • added removal of accumulated sediments from intakes, outfalls, and canals 
 all waters  limited to original configuration all activities
12 Utility Activities
  • added substations 
  • added foundations for overhead utility line towers, poles, and anchors
  • added permanent access roads for utility line maintenance
 non-tidal waters, excluding adjacent to tidal waters (substations, access roads); all waters (other activities) 1/2 acre (substations);minimum necessary for foundations;1/2 acre (access roads)  1/10 acre (substations);500 linear feet of above-grade access road; impervious roads
14 Linear Transportation Crossings
  • added larger crossings for public projects only 
  • no change for private roads and public crossings in tidal waters and non-tidal wetlands adjacent to tidal waters>
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters
all waters		 1/2 acre (public)
1/3 acre (public and private)		 1/10 acre;discharges into special aquatic sites
27  Stream and Wetland Restoration Activities 
  • added restoration of non-tidal streams and open waters
  • added restoration of tidal waters
  all waters  no limit non-Federal public or private land (no agreement)
39  Residential, Commercial, and Institutional Developments
  • building pads, building foundations, and attendant features
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters 1/2 acre;300 linear feet of stream bed  1/10 acre;all below OHWM
40  Agricultural Activities
  • discharges into non-tidal wetlands to increase agricultural production
  • relocation of existing drainage ditches constructed in non-tidal streams
  • construction of building pads for farm buildings 
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters 1/2 acre;300 linear feet of stream bed  1/10 acre (activities not reviewed by NRCS);all farm buildings
41  Reshaping Existing Drainage Ditches
  • modify cross-section of currently serviceable drainage ditches
  • cannot increase drainage or flows or relocate ditch 
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters  limited to minimum necessary  sidecast into waters of US;reshape greater than 500 linear feet
42 Recreational Facilities
  • facilities integrated into natural landscape without substantial grading or filling 
  • examples: trails, campgrounds, environmentally designed golf courses
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters  1/2 acre;300 linear feet of stream bed   1/10 acre
43 Stormwater Management Facilities
  • construction or maintenance
  • no new construction in perennial streams 
 non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters  1/2 acre;300 linear feet of stream bed  1/10 acre
44 Mining Activities
  • aggregate (sand and gravel and stone) mining
  • hard rock/mineral mining 
 isolated waters; non-tidal wetlands; lower perennial streams 1/2 acre all activities

 
 

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Aquatic and Wetland Company
9999 Weld County Road 25,   Ft. Lupton, CO 80621, 303.442.4766, 303.857.2455 fax
Contact AWC's Consulting Manager