The purpose of this ordinance is to provide for the health, safety, and general welfare of the citizens of Grand Island, Nebraska through the regulation of stormwater and non-storm water discharges to the storm drainage system to the maximum extent practicable as required by federal and state law. In addition, the purpose is to control land disturbances, or to reduce or eliminate soil erosion and sedimentation within the City of Grand Island, NE. This ordinance establishes methods for controlling the introduction of pollutants into the Municipal Separate Storm Sewer System (MS4) in order to comply with requirements of the National Pollutant Discharge Elimination System (NPDES) permit process. The objectives of this ordinance are:
A. To regulate the contribution of pollutants to the municipal separate storm sewer system by discharges by any person.
B. To prohibit illicit connections and discharges to the municipal separate storm sewer system.
C. To prevent non-storm water discharges generated as a result of spills, inappropriate dumping, or disposal to the City of Grand Island separate storm drainage system.
D. To reduce pollutants in stormwater discharges from construction activity by guiding, regulating, and controlling the design, construction, use, and maintenance of any development or other activity that disturbs or breaks the topsoil or results in the movement of earth on land.
E. To require the construction of locally-approved, permanent stormwater runoff controls to protect water quality and maintain non-erosive hydrologic conditions downstream of construction activity and development.
F. To require responsibility for and long-term maintenance of structural stormwater control facilities and nonstructural stormwater management.
G. To establish legal authority to carry out all inspection, surveillance and monitoring procedures necessary to ensure compliance with this ordinance.
H. To regulate the contribution of pollutants to the municipal separate storm sewer system (MS4) by geothermal water source heating and cooling system discharges by any user.
I. To limit the connection and discharges of spent groundwater from geothermal heat pump systems to the MS4.