stormwater bmps for SIC Code 3421

Stormwater BMPs for SIC Code 3421, Stormwater Permitting Guide

SIC Code 3421


2024 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 Best Management Practices (BMP) No Exposure Certification (NEC) Non Storm Water Discharges (NSWD) Source State water Board Stormwater Regional Water Board Notice of Termination (NOT) Structural Controls Stormwater Drainage Toxicity Waste Discharge Identification Number (WDID) New Discharge(r) Municipal Separate Storm Sewer System (MS4) Stormwater Guarantee Debris Chain of Custody Ontario Numeric Action Level (NAL) Non stormwater Technology Based Effluent Limitation (TBEL) Industrial Materials Non Detect Erosion Control BMPs Water Quality Objectives Scrap Metal Permit Effluent Limitations Guidelines (ELGs) Best Practicable Control Technology Currently Available (BPT) Total Dissolved Solids (TDS) Oil and Grease (O&G) Natural Background Multi Sector General Permit (MSGP) Sheet Flow Qualifying Storm Event (QSE) State Water Resources Control Board (SWRCB) Storm Wattles Biochemical Oxygen Demand (BOD) Flocculant Socks Numeric Effluent Limitation (NEL) Total Organic Carbon (TOC) Operator Runoff Control BMPs Best Available Technology Economically Achievable (BAT) Northern New Source Performance Standards (NSPS) Drainage Area Effluent Stormwater Discharge Points Storm Water Pollution Prevention Plan (SWPPP) Third Party Environmental Lawsuit (TPEL) Water Quality Standards Field Measurements Scheduled Facility Operating Hours Effective Date Plastic Materials Stormwater Benchmarks Best Conventional Pollutant Control Technology (BCT) Standard Industrial Classification (SIC) Southern Notice of Intent (NOI) North American Industrial Classification System (NAICS) Industrial Storm wattles Run-on Monitoring Implementation Plan Third Party Environmental Group (TPEG) Industrial General Permit (IGP) National Pollutant Discharge Elimination System (NPDES) Minimum Level Total Suspended Solids (TSS) Legally Responsible Person (LRP) Storm wattle Straw Wattles Turbidity Division of Water Quality (DWQ) Areas of Special Biological Significance (ASBS) Water Quality Based Effluent Limitation (WQBEL) New Industrial General Permit Exceedance Response Action (ERA) Monitoring Requirements Sediment Control BMPs Notice of Non Applicability (NONA) Wattles Stormwater Permit Storm Water Discharge Associated with Industrial Activity Storm Water Systems (SWS) pH United States Environmental Protection Agency (U.S. EPA) Discharger Permit Registration Documents (PRDs) Sedimentation Trade Secret Total Maximum Daily Load (TMDL) Quality Assurance/Quality Control (QA/QC) Facility Wattle Clean Water Act (CWA) New Source Performance Standards Detected Not Quantifiable Non-Governmental Organization (NGO) Effluent Limitation Storm Water Multiple Application and Report Tracking System (SMARTS) Erosion Waters of the United States Numeric Action Level (NAL) Exceedance Method Detection Limit Sediment Good Housekeeping BMPs Qualified Industrial Storm water Practitioner (QISP) 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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