stormwater bmps for SIC Code 4493

Stormwater BMPs for SIC Code 4493, Stormwater Permitting Guide

SIC Code 4493


2026 Stormwater Permit Compliance for SIC Code 4493 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 Detected Not Quantifiable United States Environmental Protection Agency (U.S. EPA) Run-on Effluent Limitations Guidelines (ELGs) Storm Water Systems (SWS) pH Turbidity Technology Based Effluent Limitation (TBEL) Sheet Flow Non Detect Minimum Level Wattles Debris Effluent Limitation Qualified Industrial Storm water Practitioner (QISP) Facility Source New Source Performance Standards Toxicity Multi Sector General Permit (MSGP) Areas of Special Biological Significance (ASBS) Erosion Control BMPs Chain of Custody Sediment Control BMPs Exceedance Response Action (ERA) Industrial General Permit (IGP) Non Storm Water Discharges (NSWD) State water Board Stormwater Storm Wattles State Water Resources Control Board (SWRCB) National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) Division of Water Quality (DWQ) Numeric Action Level (NAL) Storm wattle Waste Discharge Identification Number (WDID) Wattle Scrap Metal Permit Qualifying Storm Event (QSE) Method Detection Limit Monitoring Implementation Plan Sedimentation Scheduled Facility Operating Hours Flocculant Socks Effective Date Stormwater Drainage Ontario Storm Water Discharge Associated with Industrial Activity Permit Registration Documents (PRDs) Stormwater Permit Stormwater Discharge Points Northern California Clean Water Act (CWA) New Discharge(r) Regional Water Board Water Quality Standards Waters of the United States Numeric Action Level (NAL) Exceedance Storm Water Multiple Application and Report Tracking System (SMARTS) Third Party Environmental Group (TPEG) Trade Secret Structural Controls Natural Background Best Management Practices (BMP) No Exposure Certification (NEC) Monitoring Requirements Industrial Materials Oil and Grease (O&G) Industrial Storm wattles New Source Performance Standards (NSPS) Sediment Field Measurements Discharger Standard Industrial Classification (SIC) Storm Water Pollution Prevention Plan (SWPPP) Best Practicable Control Technology Currently Available (BPT) Notice of Non Applicability (NONA) Total Dissolved Solids (TDS) Total Maximum Daily Load (TMDL) Stormwater Guarantee Erosion North American Industrial Classification System (NAICS) Stormwater Benchmarks Legally Responsible Person (LRP) Best Conventional Pollutant Control Technology (BCT) Quality Assurance/Quality Control (QA/QC) Drainage Area Runoff Control BMPs Non-Governmental Organization (NGO) Notice of Termination (NOT) Best Available Technology Economically Achievable (BAT) Third Party Environmental Lawsuit (TPEL) Biochemical Oxygen Demand (BOD) Non stormwater Straw Wattles Operator Total Suspended Solids (TSS) Notice of Intent (NOI) Southern California Good Housekeeping BMPs Water Quality Based Effluent Limitation (WQBEL) Total Organic Carbon (TOC) New Industrial General Permit Plastic Materials Numeric Effluent Limitation (NEL) Water Quality Objectives Effluent and more.

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Do businesses with sic code 4493 need a stormwater permit to comply with NPDES? Learn More.

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