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Stormwater Remediation Fee

Baltimore County is mandated by federal law to address phosphorus, nitrogen and sediment loading into the Chesapeake Bay. In order to pay for these new stormwater management regulations, the County has implemented a stormwater remediation fee. The fee is identified as a separate item on your 2015 real property tax bill.

Fee Structure

Learn more about stormwater fees.

About Stormwater Remediation

Stormwater runoff from impervious surfaces—such as parking lots, roads and roofs—causes a range of environmental problems including pollution of the Chesapeake Bay and other waterways, more frequent flooding, increased erosion and contamination of drinking water.

To mitigate these effects, the federal government and the state of Maryland have enacted a series of new stormwater remediation mandates. Maryland House Bill 987 (PDF), passed in 2012, requires the largest jurisdictions in Maryland, including Baltimore County, to assess fees to fund these mandates.

Baltimore County established the Stormwater Remediation Fee to help offset the cost of stormwater management services provided to those who live and work in the County.

What's New

  • While the state no longer mandates that a fee must be charged, counties are still required to fund the cost of stormwater remediation.
  • Fee rates have been reduced for all categories. After extensive review by Baltimore County’s Director of Environmental Protection and Sustainability and the Director of Public Works, the County concluded that it could reduce the fee due to the following analysis:
    • Pollutant load reduction credits for various practices have been increased due to Chesapeake Bay Program Expert Panel analysis, requiring fewer remediation projects to meet the pollution reduction goals
    • Baltimore County has continued to successfully obtain state and federal grants for project implementation offsetting project costs
    • Reduction in the funding needed to address the sites that fall under the General Discharge Permit for Industrial Sites
    • Reduction in startup funding needed for street sweeping and storm drain vacuum maintenance
  • Mobile homes are now considered single-family residential homes rather than commercial properties
  • The County no longer includes pools and associated decking as impervious surfaces

How the Fee is Used

State and county laws require that stormwater fees go to a dedicated Stormwater Remediation Fund used to meet the requirements of managing and treating stormwater discharge. Examples of these practices include:

  • street sweeping
  • storm drain cleaning
  • stormwater facility inspection, maintenance and upgrades
  • shoreline stabilization
  • urban canopy tree planting
  • reforestation
  • stream restoration
  • monitoring, planning and programs

The fee covers both the additional operating expense and capital expense necessary to meet mandates. The fees collected and the fund’s annual expenditures are required to be reported each year.

Fee Reports

Contact Us

If you have questions or concerns that aren’t answered above, email

Revised June 17, 2015

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