stormwater bmps for SIC Code 4481

Stormwater BMPs for SIC Code 4481, Stormwater Permitting Guide

SIC Code 4481


2026 Stormwater Permit Compliance for SIC Code 4481 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 New Source Performance Standards (NSPS) Effluent New Discharge(r) Stormwater Guarantee Minimum Level Monitoring Requirements Scrap Metal Permit Total Organic Carbon (TOC) Total Dissolved Solids (TDS) Qualifying Storm Event (QSE) Storm Water Discharge Associated with Industrial Activity Natural Background Best Management Practices (BMP) Non stormwater Qualified Industrial Storm water Practitioner (QISP) Effluent Limitation Water Quality Standards Straw Wattles Permit Registration Documents (PRDs) Erosion Best Practicable Control Technology Currently Available (BPT) Northern California Industrial Storm wattles Non-Governmental Organization (NGO) Stormwater Discharge Points Good Housekeeping BMPs Ontario Exceedance Response Action (ERA) Numeric Action Level (NAL) State water Board Stormwater Clean Water Act (CWA) Sediment Detected Not Quantifiable Toxicity Biochemical Oxygen Demand (BOD) Sheet Flow Non Detect Debris Sediment Control BMPs Turbidity Method Detection Limit Storm Wattles Notice of Termination (NOT) Regional Water Board Legally Responsible Person (LRP) Southern California Areas of Special Biological Significance (ASBS) Total Suspended Solids (TSS) Quality Assurance/Quality Control (QA/QC) Effective Date Third Party Environmental Group (TPEG) Third Party Environmental Lawsuit (TPEL) Waters of the United States Erosion Control BMPs Chain of Custody Waste Discharge Identification Number (WDID) Industrial Materials New Source Performance Standards Best Conventional Pollutant Control Technology (BCT) Storm wattle Facility State Water Resources Control Board (SWRCB) Oil and Grease (O&G) Best Available Technology Economically Achievable (BAT) Monitoring Implementation Plan Standard Industrial Classification (SIC) Technology Based Effluent Limitation (TBEL) New Industrial General Permit Sedimentation Field Measurements Storm Water Multiple Application and Report Tracking System (SMARTS) Effluent Limitations Guidelines (ELGs) National Pollutant Discharge Elimination System (NPDES) Storm Water Systems (SWS) Flocculant Socks Notice of Intent (NOI) Storm Water Pollution Prevention Plan (SWPPP) Operator Numeric Action Level (NAL) Exceedance Stormwater Drainage Notice of Non Applicability (NONA) Municipal Separate Storm Sewer System (MS4) Stormwater Benchmarks Industrial General Permit (IGP) Discharger North American Industrial Classification System (NAICS) Runoff Control BMPs Run-on Water Quality Objectives Scheduled Facility Operating Hours Wattle pH United States Environmental Protection Agency (U.S. EPA) Trade Secret Wattles Structural Controls Stormwater Permit Non Storm Water Discharges (NSWD) No Exposure Certification (NEC) Drainage Area Source Plastic Materials Total Maximum Daily Load (TMDL) Division of Water Quality (DWQ) Numeric Effluent Limitation (NEL) Multi Sector General Permit (MSGP) Water Quality Based Effluent Limitation (WQBEL) and more.

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Do businesses with sic code 4481 need a stormwater permit to comply with NPDES? Learn More.

Stormwater Permits for SIC Codes:


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