[Adopted as Ch. 6.2, Art. II, Div. 4, of the 1990 Code; amended 12-2-2010 by Ord. No. 175]
A. 
Surface water shall be the responsibility of the Public Works Director until it enters a catch basin or other portion of the drainage system under the responsibility of the Greater Augusta Utility District, at which point it becomes the responsibility of the district, or until it enters a stream or river under state or federal jurisdiction.
B. 
All culverts, ditches, sluiceways, other structures or natural drainage surface or groundwater in/or crossing public rights-of-way shall be the responsibility of the Public Works Director, except those catch basins or pipes which are connected to the storm sewer or combined sewer systems or have been accepted by the Greater Augusta Utility District, which shall be the responsibility of the Greater Augusta Utility District.
C. 
Retention structures may be built for or by the City of Greater Augusta Utility District and shall be the responsibility of the Public Works Director if located on City rights-of-way, land or easements and not connected to the storm or combined sewer systems or accepted by the Greater Augusta Utility District. If connected to the latter, they shall be the responsibility of the Greater Augusta Utility District. Natural drainage easements may be acquired by the City and shall be the responsibility of the Public Works Director. Easements exceeding 400 feet in length shall be approved by the Planning Board before acquisition and shall be in accord with any Greenway-Natural Drainage Protection Plan adopted by the Planning Board and with the Shoreland Protection Ordinance. If downstream reworking or rebuilding is necessitated by a new street or development, the developer of the land shall participate in such cost at a rate to be determined by the City Engineer and General Manager of the Greater Augusta Utility District.
All storm sewers, drains and drainage installed in the City outside of the Greater Augusta Utility District jurisdiction shall be built in accordance with the specifications of the City Engineer and they shall be the responsibility of the Public Works Director.
No person shall place any obstruction in any ditch or watercourse by the side of any street of the City without providing a sufficient culvert for the passage of water. The culvert size and the installation of such culvert shall be approved by the City Engineer, and the cost of same shall be borne by the owner.
A. 
No person shall let out or empty upon the surface of any street or sidewalk any cellar, sink or other drains, nor shall any person allow seepage upon any such street or sidewalk from septic tank filter beds or cesspools.
B. 
It shall be the responsibility of the various utilities to maintain location records of dormant house services. The City shall notify utilities prior to issuing demolition permits.
A. 
For residential properties not exceeding four dwelling units, roof and pavement drainage may enter natural drainage, man-made drainage or stormwater systems. Natural drainage systems shall be used whenever possible.
B. 
Stormwater run-off from multifamily, commercial, governmental, institutional and industrial property shall be piped into the stormwater system where available and as approved by the City Engineer. In areas beyond the current limits of the storm drainage system, the developer shall provide adequate drainage to the nearest natural watercourse, subject to the approval of the City Engineer.
C. 
In areas where there is no storm drain system or natural watercourse, persons converting existing residential buildings to commercial or office use shall be permitted to develop parking lots up to 3,600 square feet in size or for up to 12 spaces, whichever is less. The runoff from such lots shall be controlled. The following conditions shall be applicable:
(1) 
Parking lots shall not be paved until such time as a storm drain system is available.
(2) 
Runoff shall be directed to a landscaped buffer strip to attenuate drainage impact.
(3) 
All parking lots constructed under this Subsection C and after July 17, 1989, shall be required to collect storm drainage on-site and pipe it to a storm drain system when it becomes available.