STORMWATER MANAGEMENT APPROVAL PROCESS
 The stormwater management program is
administered by Water Resources Engineering.
Stormwater management quantity must be addressed for all new development within Harford
County. This must be addressed by applying and receiving a waiver or an exemption or by
receiving approval of a design plan for a best management practice
or BMP.
Categories for an exemption include:
Agricultural Land Management
Additions or Modifications to single family residence
Developments that disturb less than 5,000 SQ. FT.
Land development regulated under state laws
Residential developments consisting of single residences on lots greater than 2 acres
Categories for a waiver include:
Proposed 2 year peak discharges that
increase the existing 2 year peak discharges by less than 10%
Development that is completely
surrounded by development and existing public stormdrain systems of adequate capacity
Provisions to control direct outfall to tidal waters
For those developments that do not meet the requirements for an
exemption or a waiver, stormwater management design plans must be submitted. Management
must be provided for the two and ten year storm event. One hundred year management is also
required within portions of two watersheds in Harford County: Bynum Run north of Business
Route 1 and Wildcat Branch above Reckord Road. For specific design requirements and
legislation please refer to the following documents:
Specific questions about design requirements can also be directed to:
Harford County Public Works
Water Resources Engineering
212 South Bond Street, 3rd Floor
Bel Air, Maryland 21014
(410) 638-3545
(410) 893-3849 FAX
All submittals including exemptions, waivers, and design plans must be processed
through Harford County’s Development Review Process. As part of this process, the
Office of Development Coordination coordinates
the exemption, waiver, or design plan approval, bonding requirements, and permit approval
process for the Department of Public Works. Any questions about project status or time
frames for approvals should be directed to that office.
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