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Commercial Stormwater

Commercial Stormwater

Overview

Commercial stormwater compliance occupies a place in stormwater management that is less formal than industrial stormwater, but is still subject to requirements enforced by a local agency. Commercial stormwater is not a formal term. It is one Complyrs uses to differentiate from three formal stormwater programs in California: Industrial, Construction and Municipal. Businesses not subject to permitting under the Industrial General Permit (IGP) may need to manage stormwater runoff to comply with local rules and regulations. Local rules and regulations applied to commercial entities originate from conditions of Municipal Separate Storm Sewer System (MS4) permits that are granted by the State Water Resources Control Board. The municipal entities that hold MS4 permits agree to regulate businesses within their jurisdiction as a condition of compliance with the MS4 permit.

Because municipalities regulate businesses as part of an MS4 permit,  enforcement efforts and performance standards vary widely between jurisdictions.

Complyr’s Commercial Stormwater compliance program is based, in part, on Best Management Practices (BMPs) by the California Stormwater Quality Association (CASQA). We also use the San Diego County Stormwater Ordinance as a model for requirements.

 

Regulatory Agencies

Because of the delegation of enforcement, the agencies that implement and enforce can vary.  Often a local department of public works, environmental health department or local stormwater agency.

Conditions of Inclusion

A facility should implement a commercial stormwater compliance program if it is not required to participate in the IGP and is not required to have a National Pollution Discharge Elimination System (NPDES) permit, but as part of business, conducts any of the following activities:

  • Airplane mechanical repair, maintenance, fueling, or cleaning
  • Motor Vehicle (or other vehicle) parking lots and storage facilities
  • Motor Vehicle and other vehicle body repair or painting
  • Motor Vehicle mechanical repair, maintenance, fueling, or cleaning
  • Boat mechanical repair, maintenance, fueling, or cleaning
  • Botanical or zoological gardens and exhibits
  • Cement mixing or cutting
  • Cemeteries
  • Eating or drinking establishments
  • Equipment repair, maintenance, fueling, or cleaning
  • Golf courses, parks and other recreational areas/facilities
  • Landscaping
  • Marinas
  • Masonry installation
  • Mobile Motor Vehicle or other vehicle washing
  • Mobile carpet, drape or furniture cleaning
  • Nurseries and greenhouses
  • Painting and coating
  • Pest control services
  • Pool and fountain cleaning
  • Port-a-Potty servicing or
  • Retail or wholesale fueling

Required Tasks

The following tasks are included in the Complyrs program for commercial stormwater:

Prepare/review SWPPP with site map

Best Management Practices (BMP) Maintenance

Commercial Stormwater Training (Yearly)

What to expect during an inspection

Typically, a commercial stormwater program inspector will inspect a facility to verify the following:

  • Facility has prepared a Stormwater Pollution Prevention Plan (SWPPP).
  • Facility is implementing Best Management Practices (BMPs) that apply to business activities conducted on site.
  • Facility is conducting annual stormwater pollution prevention training.

Related Programs

Industrial Stormwater

Above Ground Petroleum Storage Act

Sources

CASQA Municipal BMP Handbook

County of San Diego Stormwater Ordinance

 

Learn More About Complyrs

 

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