Summary of New and Modified Nationwide Permits
NWP |
Title/Description |
Applicable Waters |
Acreage and Linear Limits |
PCN Threshold |
3 |
Maintenance
|
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
|
all waters | limited to original configuration | all activities |
12 |
Utility Activities
|
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
|
non-tidal waters, excluding non-tidal wetlands adjacent to tidal waters | 1/2 acre (public) | 1/10 acre; discharges into special aquatic sites |
| all waters | 1/3 acre (public and private) | |||
27 |
Stream and Wetland Restoration Activities
|
all waters | no limit | non-Federal public or private land (no agreement) |
39 |
Residential, Commercial, and Institutional Developments
|
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
|
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
|
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
|
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
|
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
|
isolated waters; non-tidal wetlands; lower perennial streams | 1/2 acre | all activities |