| Permit Type | Permit Description |
|---|
| GEN01 |
Cooling Water |
| GEN02 |
Filter Backwash |
| GEN03 |
Fish Hatcheries |
| GEN04 |
Log Ponds |
| GEN05 |
Boiler Blowdown |
| GEN06 |
Placer Mining |
| GEN07 |
Suction Dredges |
| GEN09 |
Seafood Processor |
| GEN10 |
Gravel Mining |
| GEN11 |
Sewers & Pump Stations |
| GEN12A |
Non–metallic Minerals Mining |
| GEN12C |
Construction Activities |
| GEN12CA |
Municipal Construction Activities |
| GEN12D |
Textile, Apparel, and Printing |
| GEN12F |
Food Processing |
| GEN12G |
Landfills |
| GEN12H |
Heavy Industry |
| GEN12L |
Light Manufacturing |
| GEN12M |
Minerals and Metals Mining |
| GEN12P |
Pulp and Paper |
| GEN12R |
Scrap Yards and Auto Wreckers |
| GEN12S |
Sewage Treatment Plant Sites |
| GEN12T |
Transportation |
| GEN12W |
Wood Products |
| GEN12Z |
Industrial Except Nonmetallic Mining |
| GEN13 |
Oily Stormwater Runoff |
| GEN14 |
Animal Food Processing |
| GEN14A |
Wineries, Crop Prep, Fresh Pack Production |
| GEN14B |
Canneries, Food Animal Processing, Extracts |
| GEN15 |
Petroleum Hydrocarbon Cleanup |
| GEN15A |
NPDES Petroleum Hydrocarbons Cleanup |
| GEN15B |
WPCF Petroleum Hydrocarbons Cleanup |
| GEN16 |
Small Froth–Flotation Mineral Extraction |
| GEN17 |
Wash Water |
| GEN17A |
NPDES Wash Water |
| GEN17B |
WPCF Wash Water |
| GEN18 |
Wastewater From Kennels |
| GEN19 |
Geothermal Discharges |
| GEN44 |
Waste Disposal Well |
| GEN51 |
Sand Filter, On–site |
| GEN52Aa |
Sewage Disposal Gravel Filter Onsite |
| GEN54 |
Holding Tank |
| GEN55 |
Sewage Lagoon, On–site < 1,500 GPD |
| GEN56 |
Standard Subsurface 2500<x<5000 |
| GEN56A |
Standard Subsurface |
| GEN56B |
Standard Subsurface <5000 GPD |
| NPDES |
Individual NPDES |
| WPCF |
Individual WPCF |
| 600MAO |
Industrial Wastewater Offstream Mining |
| 700MAO |
Industrial Wastewater Instream Mining |
| GEN52Ab |
Sewage Disposal Gravel Filter Onsite |
| NPDES–IW–N |
Process Wastewater Disposal NEC |
| NPDES–IW–O |
Non–Process Wastewater Disposal NEC |
| NPDES–IW–S |
Municipal Stormwater Permit |
| WPCF–DOM–E |
Sewage Treatment Lagoons No Dischage |
| WPCFOS–Bii |
Sewage Treatment Subsurface System |
| WPCFOS–BiiiAS |
Sewage Treatment Aerobic Systems >2500 GPD |
| WPCFOS–BiiiRGF |
Recirculating Gravel Filter >2500 GPD |
| WPCFOS–BivAS |
Sewage Treatment Aerobic Systems <2500 GPD |
| WPCFOS–BivRGF |
Recirculating Gravel Filter <2500 GPD |
| WPCFOS–BivSF |
Sewage Treatment Sand Filter <2500 GPD |
