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

Nationwide Permit Number
(2021 NWPs in bold)

Version

Expiration date*

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

State Water Resources Control Board (SWRCB)

NWP 1
Aids to Navigation

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 2
Structures in Artificial Canals

2017

3/18/22

Certified subject to conditions

Not certified

NWP 3
Maintenance

2017

3/18/22

Certified subject to conditions

Not certified

NWP 4
Fish & Wildlife Activities

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 5
Scientific Measuring Devices

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 6
Survey Activities

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 7
Outfall/Intake Structures

2017

3/18/22

Certified subject to conditions

Not certified

NWP 8
Oil/Gas Structures on the OCS

2017

3/18/22

Certified subject to conditions

Not certified

NWP 9
Structures in Fleeting/Anchorage Areas

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 10
Mooring Buoys

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 11
Temporary Recreational Structures

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 12***
Oil/Gas Utility Lines

2017

3/14/21*

Certified subject to conditions

Certified subject to conditions

2021

3/14/26

Not certified

Not certified

NWP 13
Bank Stabilization

2017

3/18/22

Certified subject to conditions

Not certified

NWP 14
Road Crossings

2017

3/18/22

Certified subject to conditions

Not certified

NWP 15
USCG Approved Bridges

2017

3/18/22

Certified subject to conditions

Not certified

NWP 16
Return Water from Upland Disposal

2017

3/18/22

Certified subject to conditions

Not certified

NWP 17
Hydropower Projects

2017

3/18/22

Certified subject to conditions

Not certified

NWP 18
Minor Discharges

2017

3/18/22

Certified subject to conditions

Not certified

NWP 19
Minor Dredging

2017

3/18/22

Certified subject to conditions

Not certified

NWP 20
Oil/HazMat Response Activities

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 21
Surface Coal Mining

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Expressly waived

Not certified

NWP 22
Removal of Vessels

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 23
Approved Categorical Exclusions

2017

3/18/22

Certified subject to conditions

Not certified

NWP 24
Tribal/State Admin. 404 Program

2017

3/18/22

Certified subject to conditions

Not certified

NWP 25
Structural Discharges

2017

3/18/22

Certified subject to conditions

Not certified

NWP 27
Aquatic Habitat Restoration

2017

3/18/22

Certified subject to conditions

Not certified

NWP 28
Modification of Existing Marinas

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 29
Residential Developments

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 30
Moist Soil Management for Wildlife

2017

3/18/22

Certified subject to conditions

Not certified

NWP 31
Maintenance of Flood Control Facilities

2017

3/18/22

Certified subject to conditions

Not certified

NWP 32
Completed Enforcement Actions

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 33
Temporary Construction, Access, and Dewatering

2017

3/18/22

Certified subject to conditions

Not certified

NWP 34
Cranberry Production Activities

2017

3/18/22

Certified subject to conditions

Not certified

NWP 35
Maintenance Dredging of Existing Basins

2017

3/18/22

Certified subject to conditions

Not certified

NWP 36
Boat Ramps

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 37
Emergency Watershed Protection and Rehabilitation

2017

3/18/22

Certified subject to conditions

Not certified

NWP 38
Cleanup of Hazardous and Toxic Waste

2017

3/18/22

Certified subject to conditions

Not certified

NWP 39
Commercial and Industrial Developments

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 40
Agricultural Activities

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 41
Reshaping Existing Drainage Ditches

2017

3/18/22

Certified subject to conditions

Not certified

NWP 42
Recreational Facilities

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 43
Stormwater Management Facilities

2017

3/14/21*

Not certified

Not certified

2021

3/14/26

Certified subject to conditions

Not certified

NWP 44
Mining Activities

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 45
Repair of Uplands Damaged by Discrete Events

2017

3/18/22

Certified subject to conditions

Not certified

NWP 46
Discharges in Ditches

2017

3/18/22

Certified subject to conditions

Not certified

NWP 48
Shellfish Mariculture

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Expressly waived

Not certified

NWP 49
Coal Remining Activities

2017

3/18/22

Certified subject to conditions

Not certified

NWP 50
Underground Coal Mining

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Expressly waived

Not certified

NWP 51
Land-Based Renewable Energy Generation Facilities

2017

3/14/21*

Certified subject to conditions

Not certified

2021

3/14/26

Not certified

Not certified

NWP 52
Water-Based Renewable Energy Generation Facilities

2017

3/14/21*

Expressly waived

Not certified

2021

3/14/26

Expressly waived

Not certified

NWP 53
Removal of Low-Head Dams

2017

3/18/22

Certified subject to conditions

Not certified

NWP 54
Living Shorelines

2017

3/18/22

Certified subject to conditions

Certified subject to conditions

NWP 55
Seaweed Mariculture Activities

2021

3/14/26

Not requested

Not requested

NWP 56
Finfish Mariculture Activities

2021

3/14/26

Not requested

Not requested

NWP 57
Electric Utility and Telecommunication Activities

2021

3/14/26

Not certified

Not certified

NWP 58
Water/Other Substance Utility Lines

2021

3/14/26

Not certified

Not certified