401 Water Quality Certification Status of the Nationwide Permits in the State of California

 

Nationwide Permit Number

Version

Expiration

U.S. Environmental Protection Agency (EPA), Region 9

State Water Resources Control Board (SWRCB)

NWP 1 - Aids to Navigation

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 2 - Structures in Artificial Canals

2026

3/15/31

Granted (unconditionally)

Denied

NWP 3 - Maintenance

2026

3/15/31

Granted (conditionally)

Granted (conditionally) Activities under paragraph (a) only

NWP 4 - Fish & Wildlife Activities

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 5 - Scientific Measuring Devices

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 6 - Survey Activities

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 7 - Outfall/Intake Structures

2026

3/15/31

Granted (conditionally)

Denied

NWP 8 - Oil/Gas Structures on the OCS

2026

3/15/31

Not requested

Not requested

NWP 9 - Structures in Fleeting/Anchorage Areas

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 10 - Mooring Buoys

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 11 - Temporary Recreational Structures

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 12 - Oil/Gas Utility Lines

2026

3/15/31

Granted (conditionally)

Granted (conditionally)

NWP 13 - Bank Stabilization

2026

3/15/31

Granted (conditionally)

Granted (conditionally)

NWP 14 - Road Crossings

2026

3/15/31

Granted (conditionally)

Granted (conditionally)

NWP 15 - USCG Approved Bridges

2026

3/15/31

Granted (conditionally)

Denied

NWP 16 - Return Water from Upland Disposal

2026

3/15/31

Granted (conditionally)

Denied

NWP 17 - Hydropower Projects

2026

3/15/31

Granted (conditionally)

Denied

NWP 18 - Minor Discharges

2026

3/15/31

Granted (unconditionally)

Denied

NWP 19 - Minor Dredging

2026

3/15/31

Granted (unconditionally)

Denied

NWP 20 - Oil/HazMat Response Activities

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 21 - Surface Coal Mining

2026

3/15/31

Granted (conditionally)

Denied

NWP 22 - Removal of Vessels

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 23 - Approved Categorical Exclusions

2026

3/15/31

Granted (unconditionally)

Denied

NWP 24 - Tribal/State Admin. 404 Program

2026

3/15/31

Waived

Denied

NWP 25 - Structural Discharges

2026

3/15/31

Granted (unconditionally)

Denied

NWP 27 - Aquatic Ecosystem Restoration

2026

3/15/31

Granted (conditionally)

Denied

NWP 28 - Modification of Existing Marinas

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 29 - Residential Developments

2026

3/15/31

Granted (conditionally)

Denied

NWP 30 - Moist Soil Management for Wildlife

2026

3/15/31

Granted (unconditionally)

Denied

NWP 31 - Maintenance of Flood Control Facilities

2026

3/15/31

Granted (conditionally)

Denied

NWP 32 - Completed Enforcement Actions

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 33 - Temporary Construction, Access, and Dewatering

2026

3/15/31

Granted (conditionally)

Denied

NWP 34 - Cranberry Production Activities

2026

3/15/31

Waived

Denied

NWP 35 - Maintenance Dredging of Existing Basins

2026

3/15/31

Granted (unconditionally)

Denied

NWP 36 - Boat Ramps

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 37 - Emergency Watershed Protection and Rehabilitation

2026

3/15/31

Granted (unconditionally)

Denied

NWP 38 - Cleanup of Hazardous and Toxic Waste

2026

3/15/31

Granted (unconditionally)

Denied

NWP 39 - Commercial and Industrial Developments

2026

3/15/31

Granted (conditionally)

Denied

NWP 40 - Agricultural Activities

2026

3/15/31

Granted (conditionally)

Denied

NWP 41 - Reshaping Existing Drainage Ditches

2026

3/15/31

Granted (unconditionally)

Denied

NWP 42 - Recreational Facilities

2026

3/15/31

Granted (conditionally)

Denied

NWP 43 - Stormwater Management Facilities

2026

3/15/31

Granted (conditionally)

Denied

NWP 44 - Mining Activities

2026

3/15/31

Granted (conditionally)

Denied

NWP 45 - Repair of Uplands Damaged by Discrete Events

2026

3/15/31

Granted (unconditionally)

Denied

NWP 46 - Discharges in Ditches

2026

3/15/31

Granted (unconditionally)

Denied

NWP 48 - Shellfish Mariculture

2026

3/15/31

Granted (unconditionally)

Denied

NWP 49 - Coal Remining Activities

2026

3/15/31

Granted (conditionally)

Denied

NWP 50 - Underground Coal Mining

2026

3/15/31

Granted (conditionally)

Denied

NWP 51 - Land-Based Renewable Energy Generation Facilities

2026

3/15/31

Granted (conditionally)

Denied

NWP 52 - Water-Based Renewable Energy Generation Facilities

2026

3/15/31

Granted (conditionally)

Denied

NWP 53 - Removal of Low-Head Dams

2026

3/15/31

Granted (conditionally)

Denied

NWP 54 - Living Shorelines

2026

3/15/31

Granted (unconditionally)

Granted (conditionally)

NWP 55 - Seaweed Mariculture Activities

2026

3/15/31

Granted (unconditionally)

Denied

NWP 57 - Electric Utility and Telecommunication Activities

2026

3/15/31

Granted (conditionally)

Granted (conditionally)

NWP 58 - Water/Other Substance Utility Lines

2026

3/15/31

Granted (conditionally)

Granted (conditionally)

NWP 59 - Water Reclamation and Reuse Facilities

2026

3/15/31

Granted (unconditionally)

Denied

NWP 60 - Improve Fish Passage and Other Aquatic Organisms

2026

3/15/31

Granted (conditionally)

Denied