(a) When the Village of Highland Hills determines that site constraints compromise the intent of this regulation, off-site alternatives may be used that result in an improvement of water quality and a reduction of stormwater quantity. Such alternatives shall meet the following standards:
(1) Shall achieve the same level of stormwater quantity and quality control that would be achieved by the on-site controls required under this regulation.
(2) Implemented in the same Hydrologic Unit Code (HUC) 12 watershed unit as the proposed development project.
(3) The mitigation ratio of the water quality volume is 1.5 to 1 or the water quality volume at the point of retrofit, whichever is greater.
(4) An inspection and maintenance agreement as described in Chapter 1351.08(d)(10) is established to ensure operations and treatment in perpetuity.
(5) Obtain prior written approval from Ohio EPA.
(b) Alternative actions may include, but are not limited to the following. All alternative actions shall be approved by the Village Engineer:
(1) Fees, in an amount specified by the Village of Highland Hills to be applied to community-wide SCMs.
(2) Implementation of off-site SCMs and/or the retrofit of an existing practice to increase quality and quantity control.
(3) Stream, floodplain, or wetland restoration.
(4) Acquisition or conservation easements on protected open space significantly contributing to stormwater control such as wetland complexes.
(Ord. 2016-63. Passed 12-14-16.)