stormwater bmps for SIC Code 3621

Stormwater BMPs for SIC Code 3621, Stormwater Permitting Guide

SIC Code 3621


2026 Stormwater Permit Compliance for SIC Code 3621 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 Water Quality Based Effluent Limitation (WQBEL) No Exposure Certification (NEC) Wattles Scheduled Facility Operating Hours Legally Responsible Person (LRP) Straw Wattles Source Plastic Materials Stormwater Permit Division of Water Quality (DWQ) Standard Industrial Classification (SIC) Notice of Intent (NOI) Notice of Non Applicability (NONA) Total Organic Carbon (TOC) Discharger Effluent Total Maximum Daily Load (TMDL) Erosion Storm Water Systems (SWS) Storm Wattles Best Practicable Control Technology Currently Available (BPT) Detected Not Quantifiable Multi Sector General Permit (MSGP) Non stormwater Facility Runoff Control BMPs Trade Secret Debris Field Measurements Sheet Flow Monitoring Implementation Plan Chain of Custody Method Detection Limit Storm Water Pollution Prevention Plan (SWPPP) Biochemical Oxygen Demand (BOD) Stormwater Discharge Points Run-on Quality Assurance/Quality Control (QA/QC) Permit Registration Documents (PRDs) Qualifying Storm Event (QSE) Numeric Action Level (NAL) Exceedance Industrial Materials Stormwater Drainage Minimum Level Oil and Grease (O&G) Areas of Special Biological Significance (ASBS) National Pollutant Discharge Elimination System (NPDES) New Industrial General Permit Southern California Total Suspended Solids (TSS) Best Conventional Pollutant Control Technology (BCT) Exceedance Response Action (ERA) Turbidity Structural Controls Scrap Metal Permit State Water Resources Control Board (SWRCB) United States Environmental Protection Agency (U.S. EPA) Technology Based Effluent Limitation (TBEL) Non Storm Water Discharges (NSWD) Water Quality Standards Sediment Control BMPs State water Board Stormwater Industrial Storm wattles New Source Performance Standards Drainage Area Operator Third Party Environmental Group (TPEG) Non Detect Sedimentation Wattle pH Effluent Limitation Qualified Industrial Storm water Practitioner (QISP) Flocculant Socks Stormwater Benchmarks New Source Performance Standards (NSPS) Northern California Storm wattle North American Industrial Classification System (NAICS) New Discharge(r) Good Housekeeping BMPs Erosion Control BMPs Notice of Termination (NOT) Best Available Technology Economically Achievable (BAT) Third Party Environmental Lawsuit (TPEL) Waste Discharge Identification Number (WDID) Total Dissolved Solids (TDS) Monitoring Requirements Storm Water Multiple Application and Report Tracking System (SMARTS) Stormwater Guarantee Storm Water Discharge Associated with Industrial Activity Waters of the United States Numeric Effluent Limitation (NEL) Toxicity Non-Governmental Organization (NGO) Numeric Action Level (NAL) Natural Background Regional Water Board Effective Date Ontario Clean Water Act (CWA) Best Management Practices (BMP) Industrial General Permit (IGP) Effluent Limitations Guidelines (ELGs) Water Quality Objectives Sediment Municipal Separate Storm Sewer System (MS4) and more.

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Do businesses with sic code 3621 need a stormwater permit to comply with NPDES? Learn More.

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