Stormwater Management Contact Us

The Stormwater Management Division specializes in Howard County’s stormwater management facilities, local streams, and floodplains. Contact the Stormwater Management Division for the following concerns:

Are you concerned about stream erosion on your property?

Contact Mark S. Richmond, Chief, msrichmond@howardcountymd.gov, 410-313-6413


Is there a stormwater management facility that needs maintenance?

Contact John Slater, jpslater@howardcountymd.gov, 410-313-5932


Are you concerned about excessive aquatic vegetation in stormwater management ponds (duck weed, algae, etc.)?

Contact John Slater, jpslater@howardcountymd.gov, 410-313-5932


Did you observe illicit discharges or dumping into local streams or inlets?

Contact Cynthia Alden, calden@howardcountymd.gov, 410-313-6447 or Max Anthony, manthony@howardcountymd.gov, 410-313-6432, or submit a report online using the Illicit Discharge Form


Do you have questions related to floodplains and flood protection?

Contact Christine Lowe, cslowe@howardcountymd.gov, 410-313-0522

Our Address

9801 Broken Land Parkway,
Columbia, MD 21046


Our Main Phone Number

410-313-6444


Related Contacts

Maryland Department of the Environment at 410-537-3000

FEMA or 202-646-2500

Howard County Master Gardeners or 410-313-1913

Howard County Watershed Stewards Academy or 410-599-5362

Other Water-Related Issues & Contacts

Do you have excessive surface water flowing through your property?

Contact the Transportation and Special Projects Division at 410-313-2014.


Is your sump pump continuously flowing?

    • Check that your downspouts are directed away from your foundation.
    • If you suspect there may be a broken water line, contact the Bureau of Utilities at 410-313-4900.
    • If the groundwater table is high, contact the Howard Soil Conservation District at 410 -313-0680 to learn about your property’s soil conditions.


Do you have a sinkhole?

    • If related to storm drain infrastructure, contact the Bureau of Highways at highways@howardcountymd.gov or 410-313-7450.
    • If related to the water or sanitary line, contact the Bureau of Utilities at 410-313-4900.
    • All other inquiries, contact the Howard Soil Conservation District at 410-313-0680 regarding groundwater and soil conditions.


Do you have standing water on your property unrelated to streams?

    • If the property is private property, contact the Transportation and Special Projects Division at 410-313-2014, the Office of Community Sustainability at 410-313-0700, and/or the Howard Soil Conservation District at 410-313-0680.
    • If the property is County Open Space, contact the Department of Recreation and Parks at 410-313-4700.
    • If the issue is associated with storm drain infrastructure and is in a County drainage easement, contact the Bureau of Highways at  highways@howardcountymd.gov or 410-313-7450.

Do you have a concern about a storm drain system structure (inlet, pipe, headwall, manhole)?

Contact the Bureau of Highways at  highways@howardcountymd.gov or 410-313-7450.


Is there poor drainage in your neighborhood?

Contact the Transportation and Special Projects Division at 410-313-2014.


Is there poor drainage along a roadway?

Contact the Bureau of Highways at  highways@howardcountymd.gov or 410-313-7450.


Is there woody debris and/or dangerous trees on public property that needs to be removed?

    • If the property is County Open Space, contact the Department of Recreation and Parks at 410-313-4700.
    • If the property is in a County drainage easement or roadway, contact the Bureau of Highways at  highways@howardcountymd.gov or 410-313-7450.


Do you have a concern about wildlife (either too much or not enough) around ponds?

Contact the Department of Recreation and Parks at 410-313-4700.