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SWM Facility Locations
Do You Have a SWM Facility on Your Property
Some SWM facilites are above ground but many are below ground and can be tricky to find. If a portion of your property was developed on redeveloped after the mid-1990's, it is likely that you have SWM facilites treating the impervious surface. However, there is a chance that your property has a SWM facility if it was developed or redeveloped anytime after the early 1970's.

If a SWM facility exists on your property than a Stormwater Management Easement is generally present in your settlement agreement detailing maintenance responsibilities for the owner.

  • The City of Rockville’s Stormwater Management Infrastructure Map (link to updated map) can also be used to find public and private SWM facilities located within the City limits.