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Explanation of Standard Industry Classification (SIC) Codes:
UPDES Permits

Sector Industry Type (Linked to Specific Sector Requirements) Comments SIC Code
A Timber Products Facilities
Ornamental Shrub and Tree Service
(93.36 KB)
24, Except 2434, 0783
B Paper and Allied Products Manufacturing Facilities (75.08 KB) c 26
C Chemical and Allied Products Manufacturing Facilities (98.6 KB) 281-287, 289, 3952
D Asphalt Paving, Roofing Materials, and Lubricant Manufacturing Facilities (81.57 KB) 2951, 2952, 2992
E Glass, Clay, Cement, Concrete, and Gypsum Product Manufacturing Facilities (87.75 KB) 3211, 3221, 3229, 3241, 3231, 3251, 3253, 3255, 3259, 3261-65, 3269, 3271-75, 3281, 3291, 3292, 3295, 3296, 3297, 3299
F Primary Metals Facilities (91.77 KB) 33
G Metal Mines (Ore Mining and Dressing) (116.64 KB) a 10
H Coal Mines and Coal Mine-Related Facilities(81.72 KB) a 12
I Oil or Gas Extraction Facilities (79 KB) 13, 2911
J Mineral Mining and Processing Facilities (1.95 MB) a 14
K Hazardous Waste Treatment Storage or Disposal Facilities (2.16 MB) Active Sites
L Landfills and Land Application Sites (2.18 MB) Active Sites
M Automobile Salvage Yards (77.76 KB) 5015
N Scrap Recycling and Waste Recycling Facilities (3.57 MB) 5093
O Steam Electric Power Generating Facilities (2.41 MB) Active Sites
P Motor Freight Transportation Facilities, Passenger Transportation Facilities, Petroleum Bulk Oil Stations and Terminals, the United States Postal Service, or Railroad Transportation Facilities (42.72 KB) b 40-43, 5171, 4221-4225
Q Vehicle Maintenance Areas and Equipment Cleaning Areas of Water Transportation Facilities (2.24 MB) b 44
R Ship or Boat Building and Repair Yards (66 KB) 373
S Vehicle Maintenance Areas, Equipment Cleaning Areas or Airport Deicing Operations located at Air Transportation Facilities (2.01 MB) b 45
T Wastewater Treatment Works (56.99 KB) d 1.0 MGD or More
U Food and Kindred Products Facilities (79.34 KB) 20, 21
V Textile Mills, Apparel and other Fabric Product Manufacturing Facilities (1.47 MB) 22, 23, 31 Except 3111
W Furniture and Fixture Manufacturing Facilities (1.37 MB) 2434, 251-254, 259
X Printing and Publishing Facilities (1.37 MB) 2711-2732, 2741, 2752, 2754, 2759,2761-2791, 2796
Y Rubber and Miscellaneous Plastic Product Manufacturing Facilities (1.81 MB) 30, 39
Z Leather Tanning and Finishing Facilities (1.63 MB) 3111
AA Facilities That Manufacture Metal Products including Jewelry, Silverware and Plated Ware (82.43 KB) 34, 391
AB Facilities That Manufacture Transportation Equipment, Industrial or Commercial Machinery (63 KB) 35 Except 357; 37 Except 373
AC Facilities That Manufacture Electronic and Electrical Equipment and Components, Photographic and Optical Goods (57 KB) 36, 38, 357
AD Non-Classified Facilities (60.97 KB) Others as Designated


  1. For this SIC Code, a storm water permit is required only if runoff contacts overburden, raw material, intermediate products, finished products, byproducts or waste products located on the site of such operations.
  2. In this SIC code, only facilities with vehicle maintenance (including vehicle rehabilitation, mechanical repairs, painting, fueling, and lubrication), equipment cleaning, or airport deicing need a storm water permit.
  3. Includes facilities engaged in grading, grinding, and milling of botanicals.
  4. Permitted facilities are those that are designed with discharges greater than 1.0 MGD.