Stormwater BMPs for SIC Code 3421, Stormwater Permitting Guide
SIC Code 3421
2026 Stormwater Permit Compliance for SIC Code 3421 and applicable BMPs
Common Type-Based, Structural BMPs
Point BMP
Constructed Wetland
Infiltration Basin
Bioretention
Sand Filter (surface)
Rain Barrel
Cistern
Wet Pond
Dry Pond
Linear BMP
Grassed Swale
Infiltration Trench
Vegetated Filter Strip
Sand Filter (non-surface)
Area BMP
Green Roof
Porous Pavement
Common Pollutant Sources:
Exposure of lumber, residues, and vehicles/equipment to precipitation
Parts cleaning
Waste disposal of oily rags, oil and gas filters, batteries, coolants, degreasers
Fluid replacement including hydraulic fluid, oil, transmission fluid, radiator fluids, and grease
Diesel fuel
Common Toxicants
Nutrients
nitrates
Pesticides
2,4-D γ -BHC (lindane)
malathion
atrazine
chlordane
diazinon
Other organics
VOCs
1,3-dichloro-benzene
anthracene
benzo(a) anthracene
benzo(b) fluoranthene
benzo(k) fluoranthene
benzo(a) pyrene
bis (2-ethylhexyl) phthalate
fluoranthene
fluorene
naphthalene
pentachlorophenol
phenanthrene
pyrene
Pathogens
enteroviruses
Shigella
Pseudomonas aeruginosa
protozoa
Heavy Metals
nickel
cadmium
chromium
lead
zinc
copper
Salts
chloride
Common Pollutants:
BOD, TSS, oil, and grease
Solvents, oil, heavy metals, acid/alkaline wastes
Oil, heavy metals, solvents, acids
Oil and grease, arsenic, lead, cadmium, chromium, COD, and benzene
Diesel, gasoline, oil
Factors that can affect water quality:
Geographic location
Hydrogeology
Topography
Type, duration, and intensity of precipitation events
Extent of impervious surfaces (e.g., concrete or asphalt)
Type of ground cover (e.g., vegetation, crushed stone, or dirt)
Size of the operation
This site focuses or refers to information and services regarding Non Detect Qualified Industrial Storm water Practitioner (QISP) Third Party Environmental Group (TPEG) Storm Water Systems (SWS) Clean Water Act (CWA) Stormwater Benchmarks Storm Wattles Structural Controls North American Industrial Classification System (NAICS) Standard Industrial Classification (SIC) Erosion Control BMPs Waste Discharge Identification Number (WDID) Non-Governmental Organization (NGO) Sediment Natural Background Notice of Non Applicability (NONA) Water Quality Standards pH Chain of Custody Non Storm Water Discharges (NSWD) Storm wattle Qualifying Storm Event (QSE) Storm Water Discharge Associated with Industrial Activity Method Detection Limit Division of Water Quality (DWQ) Ontario Industrial Storm wattles Industrial Materials Minimum Level Operator Stormwater Discharge Points Total Suspended Solids (TSS) Numeric Action Level (NAL) Water Quality Based Effluent Limitation (WQBEL) Southern California New Source Performance Standards (NSPS) Total Maximum Daily Load (TMDL) Runoff Control BMPs Total Dissolved Solids (TDS) Source Straw Wattles Plastic Materials Water Quality Objectives No Exposure Certification (NEC) Trade Secret Run-on Stormwater Guarantee Waters of the United States Sedimentation Best Practicable Control Technology Currently Available (BPT) Exceedance Response Action (ERA) Effective Date New Source Performance Standards Oil and Grease (O&G) Stormwater Permit Flocculant Socks Total Organic Carbon (TOC) Biochemical Oxygen Demand (BOD) Monitoring Implementation Plan Regional Water Board Scrap Metal Permit Debris Effluent Wattle State Water Resources Control Board (SWRCB) Third Party Environmental Lawsuit (TPEL) Non stormwater New Discharge(r) Multi Sector General Permit (MSGP) Quality Assurance/Quality Control (QA/QC) Discharger Toxicity Storm Water Pollution Prevention Plan (SWPPP) Drainage Area Numeric Effluent Limitation (NEL) Good Housekeeping BMPs Numeric Action Level (NAL) Exceedance New Industrial General Permit Erosion Wattles Field Measurements Northern California Legally Responsible Person (LRP) Monitoring Requirements Effluent Limitation Turbidity Technology Based Effluent Limitation (TBEL) United States Environmental Protection Agency (U.S. EPA) National Pollutant Discharge Elimination System (NPDES) Scheduled Facility Operating Hours Notice of Intent (NOI) Best Management Practices (BMP) Municipal Separate Storm Sewer System (MS4) Storm Water Multiple Application and Report Tracking System (SMARTS) Effluent Limitations Guidelines (ELGs) Detected Not Quantifiable State water Board Stormwater Industrial General Permit (IGP) Sheet Flow Permit Registration Documents (PRDs) Sediment Control BMPs Best Available Technology Economically Achievable (BAT) Facility Stormwater Drainage Areas of Special Biological Significance (ASBS) Notice of Termination (NOT) Best Conventional Pollutant Control Technology (BCT) and more.
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Do businesses with sic code 3421 need a stormwater permit to comply with NPDES? Learn More.
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