stormwater bmps for SIC Code 2521

Stormwater BMPs for SIC Code 2521, Stormwater Permitting Guide

SIC Code 2521


2026 Stormwater Permit Compliance for SIC Code 2521 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 Toxicity Best Management Practices (BMP) Qualifying Storm Event (QSE) Stormwater Permit Turbidity State water Board Stormwater Clean Water Act (CWA) Exceedance Response Action (ERA) New Discharge(r) Structural Controls Erosion Standard Industrial Classification (SIC) Discharger Sheet Flow Total Maximum Daily Load (TMDL) Natural Background Technology Based Effluent Limitation (TBEL) Quality Assurance/Quality Control (QA/QC) No Exposure Certification (NEC) Detected Not Quantifiable Multi Sector General Permit (MSGP) Numeric Action Level (NAL) Industrial General Permit (IGP) Good Housekeeping BMPs Monitoring Requirements New Source Performance Standards (NSPS) Oil and Grease (O&G) Scrap Metal Permit National Pollutant Discharge Elimination System (NPDES) Flocculant Socks Stormwater Guarantee Stormwater Benchmarks Drainage Area Monitoring Implementation Plan Sediment New Industrial General Permit Biochemical Oxygen Demand (BOD) Ontario Northern California Waste Discharge Identification Number (WDID) Notice of Intent (NOI) Debris Best Practicable Control Technology Currently Available (BPT) Third Party Environmental Group (TPEG) State Water Resources Control Board (SWRCB) Regional Water Board Storm Wattles Numeric Effluent Limitation (NEL) Notice of Non Applicability (NONA) Municipal Separate Storm Sewer System (MS4) Effluent Limitation Effective Date Minimum Level Division of Water Quality (DWQ) Run-on Best Available Technology Economically Achievable (BAT) Facility Waters of the United States Plastic Materials Trade Secret Wattles Non stormwater Scheduled Facility Operating Hours Water Quality Standards Water Quality Based Effluent Limitation (WQBEL) Non Detect Water Quality Objectives North American Industrial Classification System (NAICS) Total Suspended Solids (TSS) Industrial Materials Straw Wattles Total Organic Carbon (TOC) New Source Performance Standards Storm Water Systems (SWS) Industrial Storm wattles Storm Water Discharge Associated with Industrial Activity Notice of Termination (NOT) Erosion Control BMPs Wattle Sedimentation Permit Registration Documents (PRDs) Non-Governmental Organization (NGO) Chain of Custody Field Measurements Numeric Action Level (NAL) Exceedance Areas of Special Biological Significance (ASBS) Method Detection Limit Southern California Runoff Control BMPs Storm Water Multiple Application and Report Tracking System (SMARTS) Effluent Limitations Guidelines (ELGs) Source Non Storm Water Discharges (NSWD) Total Dissolved Solids (TDS) Stormwater Discharge Points United States Environmental Protection Agency (U.S. EPA) Stormwater Drainage Operator Legally Responsible Person (LRP) Best Conventional Pollutant Control Technology (BCT) Third Party Environmental Lawsuit (TPEL) Qualified Industrial Storm water Practitioner (QISP) Effluent Storm wattle Storm Water Pollution Prevention Plan (SWPPP) pH Sediment Control BMPs and more.

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Do businesses with sic code 2521 need a stormwater permit to comply with NPDES? Learn More.

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