[Ord. 3-2016, 10/13/2016]
Prior to the final approval of subdivision and/or land development plans, or the issuance of any permit or the commencement of any land disturbance activity, the owner, subdivider, developer or his agent shall submit a stormwater management plan to Canton Township for approval.
[Ord. 3-2016, 10/13/2016]
1. 
The following activities are specifically exempt from the plan preparation provisions of this chapter:
A. 
Land disturbances affecting less than 1,000 square feet of ground surface.
B. 
Land disturbance associated with existing one- and two-family dwellings.
C. 
Use of land for gardening for home consumption.
D. 
Agriculture when operated in accordance with a conservation plan or erosion and sedimentation control plan prepared by the Conservation District.
E. 
Forest management operations which are following the Department of Environmental Protection's management practices contained in its publication "Soil Erosion and Sedimentation Control Guidelines for Forestry" and are operating under an erosion and sedimentation control plan.
[Ord. 3-2016, 10/13/2016]
1. 
The following items, where appropriate, shall be included in the plan:
A. 
General:
(1) 
General description of project.
(2) 
General description of erosion and sedimentation controls.
(3) 
General description of stormwater controls, both during and after development.
(4) 
Expected project time schedule, including anticipated start and completion dates.
(5) 
Training and experience of person(s) preparing the plan.
B. 
Map(s) of the project area showing:
(1) 
The location of the project relative to highways or other identifiable landmarks.
(2) 
Existing contours at intervals of two feet. In areas of steep slopes (greater than 15%), five-foot contour intervals may be used.
(3) 
Streams, lakes, ponds or other bodies of water within the project area or which will be affected by runoff from the project.
(4) 
Other physical features, including existing drainage swales and areas of natural vegetation to be preserved.
(5) 
Locations of proposed underground utilities, sewers and water lines.
(6) 
An overlay showing soil types and boundaries.
(7) 
Proposed changes to land surface and vegetative cover.
(8) 
Areas to be cut or filled.
(9) 
Proposed structures, roads, paved areas and buildings.
(10) 
Final contours at intervals of two feet. In areas of steep slopes (greater than 15%), five-foot contours may be used.
C. 
Erosion and Sedimentation Controls:
(1) 
The staging of all earthmoving activities must be described, including cuts and fills, streets, underground utilities, sewer and water lines, buildings, driveways, parking areas, recreational areas, other structures, etc.
(2) 
The type, location and extent of all erosion and sedimentation control measures must be shown on a map and described, including all calculations, assumptions and criteria used in designing the controls, and a schedule for their implementation.
D. 
Stormwater Management Controls:
(1) 
All stormwater management controls must be shown on a map and described, including:
(a) 
Groundwater recharge methods, such as seepage pits, beds or trenches. When these structures are used, the locations of septic tank infiltration areas and wells must be shown.
(b) 
Other control devices or methods, such as rooftop storage, semipervious paving materials, grass swales, parking lot ponding, vegetated strips, detention or retention ponds, storm sewers, etc.
(c) 
Schedule for installation of the control measures and devices.
(2) 
All calculations, assumptions and criteria used in the design of the control device or method must be shown.
E. 
Maintenance Program. A maintenance program for all stormwater management control facilities must be included. This program must include the proposed ownership of the control facilities and detail the financial responsibility for any required maintenance.
[Ord. 3-2016, 10/13/2016]
1. 
The plan shall be accompanied by the requisite fee as set forth pursuant to a resolution of the Canton Township Board of Supervisors.
2. 
Four copies of the completed plan must be submitted.
[Ord. 3-2016, 10/13/2016]
1. 
Canton Township shall forward a copy of the plan to the Washington County Planning Department and the Conservation District for review.
[Amended at time of adoption of Code]
2. 
The Canton Township Engineer and Planning Department shall review the plan and comments from the Conservation District and the Washington County Planning Department and shall recommend whether the plan be approved or disapproved.
[Amended at time of adoption of Code]
3. 
Canton Township shall notify the applicant within 30 days from receipt of a complete plan submission of its decision.
4. 
A disapproval shall contain the reasons for disapproval and a listing of the plan deficiencies.
5. 
Failure of Canton Township to render a decision within the thirty-day time limit shall be deemed an approval.
[Ord. 3-2016, 10/13/2016]
A modification to an approved stormwater management plan which involves a change in control methods or techniques, or which involves the relocation or redesign of control measures, or which is necessary because soil or other conditions are not as stated on the approved application (as determined by the Canton Township Engineer), shall be approved under the procedures contained in § 17-405 of this chapter. The Canton Township Engineer shall notify the applicant when such plan modification is required.