MCWEC

Groundwater and Drinking Water Protection for Indianapolis and Marion County Indiana

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Dry Cleaning

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Why should I care about a wellfield?

For many years we believed that our groundwater was protected from contamination by being underground. We now know that substances on the surface can seep down and contaminate our drinking water supply. As Central Indiana grows the only source of additional water will be the groundwater resources.

How does this affect me in the dry cleaning business?

  • Changes to Indianapolis zoning codes and Marion County health ordinances will likely affect your business operations by mandating certain Best Management Practices (BMPs) that were previously voluntary (see below).
  • If you are careful to contain your contaminants, you will avoid polluting your site, or environs and avoid a potentially expensive clean-up down the road.
  • Being a good neighbor in your wellfield is good for your business – it will be appreciated by your customers.

What are potential contaminants?

In the dry cleaning business, the solvent is the most obvious potential contaminant. But your spotting chemicals could also cause contamination if spilled on the ground or dumped down a drain.

What am I required to do under the new health code?

  • Provide secondary containment for any containers over 40 gallons of liquids or 240 lbs of water soluble solids that can hold 110% of the volume of the container for at least 24 hours.
  • Provide secondary containment for any areas where multiple containers adding up to 40 gallons of liquids or 240 lbs of water soluble solids that can hold 110% of the volume of the containers for at least 24 hours.
  • Insure containment areas located outside are properly drained or covered from weather.
  • Make an emergency response spill prevention plan. Check out this spill plan to help you start!
  • Notify chemical suppliers and waste transporters in writing that you are in a wellfield protection area. Download a printable notification form.
  • Post signs at all entrances so employees, customers, and visitors know that you are in a wellfield protection area.  Post signs with the appropriate emergency numbers for your area. Post signs on sinks and within chemical storage areas that remind employees that chemicals can’t be dumped down the drains. Use our signs, or make your own.
  • Create a chemical inventory that lists all of the chemicals at your facility. Use this worksheet to help you get started.
  • Have a spill kit. View information on what should be in your spill kit.
  • Train employees on the use of the spill kit. Log your training records on this form.
  • Make sure your floors are in good condition to make sure no spills, leaks, or drips, can flow through the floor into the ground.
  • Make sure all of your chemical containers are labelled.

What else can I do to help protect groundwater?

  • If you have underground solvent storage tanks, upgrade them to meet federal and state requirements.
  • If possible, install secondary containment around your drycleaning machine, hazardous waste storage, and spotting chemical storage and seal the floor.
  • Close and seal floor drains near chemical storage and usage areas.
  • Clean-up minor spills (up to 7 gallons) with absorbent materials and use your drycleaning machine (extract and dry cycles) to recover the solvent. Train all employees on spill prevention and containment.
  • Do not dispose of any solvent-bearing waste in your dumpster. Use a hazardous waste hauler or use the Indianapolis Tox-Drop sites for small quantities.

Education and Training

There are many resources and face-to-face help to assist you in being compliant. Here’s what you can do: