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Section 1207.07    Stormwater Management/Drainage/Erosion Control

  1. Purposes
    The purposes of this section are to protect existing properties by controlling the
    water runoff from development areas, to protect the environmental integrity of the
    existing wetlands, to preserve the water quality of Hudson’s wellhead protection
    areas, to implement water quality studies for the Mudbrook/Powers Book,
    Brandywine Creek, and Tinkers Creek watersheds, and to provide minimum design
    standards for storm water management facilities.

  2. Applicability
    Storm water retention/detention applies to all development in the City of Hudson
    except “Minor Development” as defined in Section 1203.09(d), Site Plan Review.

  3. General Criteria
    The City of Hudson Engineering Standards for Infrastructure Construction are the
    accepted design and construction specifications for storm water management
    facilities in the City. All provisions in the Engineering Standards shall be applicable
    to all development in the City of Hudson, Ohio.

  4. Additional Regulations
    1. In addition to the requirements of the Engineering Standards for
      Infrastructure Construction, the following additional regulations shall be
      adhered to:
      1. Retention/Detention Basins
        Developers constructing detention basins are encouraged to design
        them for use as neighborhood open space and recreation components
        and to consider designs based on Summit County Soil and Water
        Conservation District recommendations or guidelines from the Center
        for Watershed Protection. Adequate signage declaring the intended
        use of the basin shall be conspicuously displayed along with
        appropriate warnings about storms. All such signs shall be approved
        by the City.
      2. To the maximum extent feasible, the applicant’s storm water
        management plan shall include the following non-structural control
        techniques. Where the applicant proposes the use of detention/
        retention facilities, he must first utilize one or more of the following
        runoff reduction measures. The applicant shall provide a written
        justification of the utilization of the following in calculating storage
        capacities of the detention/retention facilities:
        1. Areas undisturbed (cleared) by construction;
        2. Restriction of development on steep slopes;
        3. Maintenance of vegetation buffers;
        4. Minimization of impervious surfaces and use of pervious
          surfaces;
      3. Use of terraces, contoured landscapes, tiered pond systems, runoff
        spreaders, grass or rock-lined waterways; and/or
      4. Use of infiltration trenches.
      5. Other techniques appropriate to the site as recommended by the City
        Community Development Staff.

    2. Wetlands may be considered for use in reducing storm water runoff using the
      following criteria:
      1. No existing or proposed structure shall be affected due to flooding
        during the post-development 25, 50, or 100-year storm.
      2. No adverse impact will occur on existing vegetation within the
        wetland.
      3. The use of a modified level spreader as defined in the City of Hudson
        Design Specifications is required at all storm water outlets to the
        wetland.
      4. The City may request further study parameters of the wetland if
        additional concerns are raised.
      5. Exception: Wetlands located in the City of Hudson’s mapped
        Wellhead Protection Areas shall not be used for the purposes of
        reducing storm water runoff.
      6. The written approval of the Army Corps of Engineers and/or the Ohio
        Environmental Protection Agency is required.

    3. Channels, Swales, and Ditches
      Channels, swales, and ditches are not permitted as part of the primary storm
      water management system in any new development, except as provided
      below. Due to topography or other reasons approved by the City Engineer, swales or
      ditches between buildings are permitted to carry storm water to an
      underground system.
      1. Storm water from no more than one (1) acre of residential
        development or a (one-half) ½ acre area in commercial,
        industrial, or retail districts shall be transported on the surface
        before being intercepted by an underground drainage system.

    4. Erosion and Sediment Control
      Storm Water Pollution Prevention Plans are required for the purpose of
      controlling the pollution of public waters by sediment from accelerated
      soil erosion and accelerated storm water runoff caused by earth disturbing
      activities and land use changes connected with developing urban areas.

    5. Plat Notes
      A note shall be added to all final plats indicating that the
      detention/retention facilities shall be owned and maintained by the
      property owner or homeowners/condominium association as appropriate.
      The note should also indicate that the City of Hudson reserves the right to
      assess the responsible entity for any necessary maintenance and/or
      improvements that must be performed by the City.