FAQs: Industrial High Risk Runoff (IHRR) Inspection Program

What if my business activities are not exposed to stormwater? Am I still required to be inspected?

Yes. Business owners must also eliminate non-stormwater discharges and implement BMPs to minimize pollutant sources associated with their everyday business activities. To better understand the specific guidelines and stormwater requirements and to maintain an environmentally compliant facility, call the stormwater inspectors at 703-324-5500, TTY 711.

What are some typical areas and activities that could result in discharges of stormwater pollution?
  • Discharges into the storm drainage system from commercial vehicle and equipment washing
  • Dumping materials and wastes into the storm drainage system
  • Service bays being hosed out and discharged into the storm drainage system
  • Power washing discharges into the storm drainage system
  • Discharges to the storm drainage system of materials such as concrete, paint or automotive fluids
  • Improperly stored hazardous wastes
  • Oily, dirty items such as engine parts that are left outdoors exposed to rainfall
  • Exposure of process activities and equipment or best management practices to rainfall that is likely to result in pollutants entering the stormwater drainage system
  • Open containers of liquids or other materials that when left outdoors collect rainwater and overflow during rain events or have the potential to crack or rust causing the container to leak
  • Improperly maintained grease interceptors

Routinely walking around and inspecting your business practices is an effective way to proactively identify any potential problems. Early identification and taking proactive steps to address potential problems can help keep your business looking great and protect local streams, the Potomac River and the Chesapeake Bay.

How can I prepare my business for inspection?

One suggestion would be to become familiar with potential and actual sources of pollutants at your business site. Observe storm drains and nearby waterways that could receive drainage from your facility. Determine whether materials, equipment or activities may come into contact with stormwater. Are pollutants, such as oil, grease, trash, construction materials, chemicals or food waste deposited or stored in outdoor, unprotected locations? Consider what will happen to exposed materials when it rains at your facility.

What happens if my business is found to be non-compliant?

When issues are identified, the county will work with owners or their representatives to foster increased education on corrective measures. Time frames will be given to implement required actions. A re-inspection may be required to ensure the proper BMPs are in place to protect the protect water quality and that the facility is operating in compliance with Fairfax County’s MS4 permit.

Contact Fairfax County: Phone, Email or Twitter | Main Address: 12000 Government Center Parkway, Fairfax, VA 22035
Technical Questions: Web Administrator

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