Harford County
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Site Plan Requirements


Site plans are routinely submitted with well and building permit applications, subdivision and commercial development proposals, and abbreviated process and pre-permit plan review requests.

In order to conduct a thorough, accurate and timely review of your project, submission of a comprehensive site plan is required. All submitted plans must be appropriately scaled and, include the following items:

  • Existing and proposed structures (dwellings, sheds, garages, barns, decks, pool, etc.)
  • Existing or proposed driveway, and any paved or disturbed areas.
  • Existing or proposed wells. For an existing well with a tag, please include the number on the site plan. If no tag is present, a photo of the well must be included along with a description of its construction (e.g. drilled well, well in pit, buried well, or hand dug well).
  • Existing on-site sewage disposal system(s) (OSDS). All components of the OSDS must be shown and labeled if septic permit records are available.
  • Configuration of the current septic reserve area (SRA).
  • Configuration of the proposed SRA.
  • Contours labeled in intervals no greater than five (5) feet. Many site plans will require identification of contours in 2 foot intervals.
  • Soil types.
  • Field located soil percolation test sites (old and new test sites).
  • A legend indicating passing and failing soil percolation tests.
  • Neighboring wells, OSDS, and SRAs within 200 feet of the property lines. If there are no encroachments, please indicate such along the appropriate tract boundary.
  • Existing easements, right of ways, critical areas, forest retention areas, flood plain, etc.
  • Ponds, streams, steep slopes, lakes, springs, seeps, etc.
  • Stormwater management devices.
  • Utility lines and easements (water, sewer, natural gas, electric).
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