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(1) Purpose. The purpose of EC 9.6795 is to prevent stormwater pollution by eliminating pathways that may introduce pollutants into stormwater.

(2) Applicability and Exemptions. Except as exempted below and except when the source control would duplicate source controls required by a state or federal permit obtained by the applicant, source control standards set forth in EC 9.6795(3), apply to all land use applications, development permits and tenant improvements that result in any of the defined site uses or characteristics listed in EC 9.6795(2)(a) – (h).

(a) Fuel dispensing facilities and surrounding traffic areas where vehicles, equipment, or tanks are refueled on the premises. A fuel dispensing facility is the area where fuel is transferred from bulk storage tanks to vehicles, equipment, and/or mobile containers. Exempt from this subsection are:

1. Propane tanks.

2. Fuel dispensing areas generally used to service oversized equipment, for example cranes, that cannot maneuver under a roof or canopy.

3. Existing fueling areas where scope of work is limited to a new canopy installation over an existing fuel pad that is not being upgraded, an underground tank replacement for compliance with state regulations, or the replacement of a fuel pump on an existing fuel pad that is not being upgraded.

(b) Exterior storage of liquid materials, for example chemicals, food products, waste oils, solvents, process wastewaters, or petroleum products in aboveground containers, in quantities of 50 gallons or more, including permanent and temporary storage areas. Exempt from this subsection are underground storage tanks or installations requiring a Water Pollution Control Facility (WPCF) permit and containers with internal protections (such as double-walled containers).

(c) All facilities that store solid waste. A solid waste storage area is a place where solid waste containers, including compactors, dumpsters, and garbage cans, are collectively stored. Solid waste storage areas include, areas used to collect and store refuse or recyclable materials collection areas. Exempt from this subsection are solid waste storage areas for one and two family dwelling and areas used for the temporary storage of wood pallets or cardboard.

(d) Developments that stockpile or store high-risk or low-risk bulk materials in outdoor containers, as the terms “high risk” and “low risk” are in the Stormwater Management Manual. Exempt from this subsection are:

1. Materials which have no measurable solubility or mobility in water and no hazardous, toxic or flammable properties.

2. Materials which exist in a gaseous form at ambient temperature.

3. Materials, except for pesticides and fertilizers, that are contained in a manner that prevents contact with stormwater.

(e) Developments proposing the installation of new material transfer areas as defined in the Stormwater Management Manual, or structural alterations to existing material transfer areas, such as access ramp re-grading and leveler installations. Exempt from this subsection are areas used only for mid-sized to small-sized passenger vehicles and restricted by lease agreements or other regulatory requirements to storing, transporting or using materials that are classified as domestic use, for example, primary educational facilities (elementary, middle or high schools), buildings used for temporary storage and churches.

(f) All development with a designated equipment or vehicle washing or steam cleaning area, including smaller activity areas such as wheel-washing stations. Exempt from this subsection are:

1. Washing activity areas generally used to service oversized equipment than cannot maneuver under a roof or canopy, for example cranes and sail boats.

2. Evaporation unit installed as part of a wash recycling system are exempt from the wastewater connection requirement.

3. One and two family dwelling sites.

Development that is intended for the storage of 10 or more fleet vehicles shall include a designated vehicle washing area.

(g) All development projects that disturb property suspected or known to contain contaminants in the soil or groundwater.

(h) All development with new covered vehicle parking areas, or existing parking structures that are being developed. Exempt from this subsection are single-level canopies, overhangs and carports.

(3) Standards. Unless adjusted pursuant to EC 9.8030(24), all source controls shall be designed and constructed according to the source control provisions set forth in the Stormwater Management Manual.

(4) Enforcement. Failure to construct, operate and maintain source controls when a land use application, development permit or tenant improvement has resulted in a defined site use or characteristic listed in EC 9.6795(2)(a)-(h) is subject to enforcement in accordance with EC Chapter 6.

(Section 9.6795 added by Ordinance No. 20369, enacted June 14, 2006, effective July 14, 2006.)