§ 255-165. Prohibited uses.

   A.   Any use or activity not specifically permitted herein shall be prohibited within the Floodplain Conservation District.

   B.   The following uses and activities are specifically prohibited in the Floodplain Conservation District and no variance shall be granted because the uses and activities have been identified as being dangerous to human life or posing a special hazard in a floodplain :

      (1)   Any new or substantially improved structure intended for the production or storage of any of the following dangerous materials or substances, or which will be used for any activity requiring the maintenance of more than 55 gallons or other comparable volume of any of the following dangerous materials or substances on the premises:

         (a)   Acetone.

         (b)   Ammonia.

         (c)   Calcium carbide.

         (d)   Benzene.

         (e)   Carbon disulfide.

         (f)   Celluloid.

         (g)   Chlorine.

         (h)   Hydrochloric acid.

         (i)   Hydrocyanic acid.

         (j)   Magnesium.

         (k)   Nitric acid and oxides of nitrogen.

         (l)   Petroleum products (gasoline, fuel oil, etc.).

         (m)   Phosphorus.

         (n)   Potassium.

         (o)   Sodium.

         (p)   Sulphur and sulphur products.

         (q)   Pesticides (including insecticides, fungicides and rodenticides).

         (r)   Radioactive substances, insofar as such substances are not otherwise regulated.

      (2)   The construction , enlargement or expansion of any structure used or intended to be used for any of the following:

         (a)   Hospital.

         (b)   Nursing home.

         (c)   Jail or prison.

         (d)   School .

      (3)   The construction , enlargement or expansion of any sanitary landfill, dump, junkyard , or outdoor storage of vehicles and materials.

      (4)   The commencement of or any construction of a new manufactured home park or manufactured home subdivision , or a substantial improvement to an existing manufactured home park or manufactured home subdivision .

      (5)   On-site sewage disposal systems.

      (6)   Any construction , development , use or activity that has the potential to trap or catch debris and exacerbate flood events.

      (7)   Any construction , development , use or activity within any floodway that would cause any increase in the base flood elevation (BFE) .

      (8)   Any construction , development , use or activity within any AE Area/District without floodway that would, together with all other existing and anticipated development , increase the base flood elevation (BFE) more than one foot at any point.

   C.   The following uses are specifically prohibited in the Floodplain Conservation District although a variance may be granted by the Zoning Hearing Board for any of these uses in accordance with the requirements and provisions of this chapter and Pennsylvania law; and upon review and comment on the variance application by the Township Planning Commission and the Township Engineer.

      (1)   Construction , enlargement or expansion of all freestanding structures and buildings , with the exception of flood retention dams, culverts and bridges as approved by the Pennsylvania Department of Environmental Protection.

      (2)   The alteration or relocation of the course of flow of any watercourse , with the exception of stream channel improvements approved by the Pennsylvania Department of Environmental Protection and the Township Board of Commissioners through conditional use approval. A variance may be granted by the Zoning Hearing Board to alter or relocate a watercourse after review and comment on the variance application by the Township Planning Commission and the Township Engineer, and the approval of the alteration or relocation by the Pennsylvania Department of Environmental Protection and any other governmental agency with applicable jurisdiction. In addition, all adjacent municipalities shall be notified prior to the alteration or relocation of a watercourse . Copies of such notification shall be sent to the Federal Insurance Administration. The flood -carrying capacity within the altered or relocated portion shall be maintained.

      (3)   Private water supply wells.

      (4)   Placement of fill, including the deposit of topsoil and the grading thereof; excavation of soil and rock; grading or regrading of land; and the construction of retaining walls. A variance application for such use shall be accompanied by a plan indicating the fill or material proposed to be deposited and how such fill or other materials will be protected against erosion by the use of riprap, vegetation or bulkheads.

      (5)   Encroachment upon any watercourse , with the exception of dams, bridges and culverts as approved by the Pennsylvania Department of Environmental Protection and the Board of Commissioners through conditional use approval.

      (6)   Clearing of all existing vegetation, except where such clearing is necessary to prepare land for an approved use and where the effects of these actions are mitigated by the establishment of cover vegetation.

      (7)   Application of fertilizers, pesticides, herbicides, and/or other chemicals in excess of prescribed industry standards.

      (8)   Roads or driveways, except where permitted as corridor crossings and for access to single-family detached dwelling units .

      (9)   More than half of any required yard setback area on an individual residential lot .

      (10)   Motor or wheeled vehicle traffic in any area not designed to adequately accommodate the type and volume of traffic.

      (11)   Parking lots.

      (12)   Subsurface sewage disposal areas.

      (13)   Sod farming.

      (14)   Storm water management facilities.