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B . The following non-stormwater discharges or flows are exempt from the prohibition of non- stormwaters provided that the source is not a significant contributor of a pollutant to the municipal storm drain system: 1) Waterline flushing; 2) Flow from potable water sources; 3) Springs; 4) Natural flow from riparian habitats and wet- lands; 5) Diverted stream flow; 6) Rising groundwater; 7) Uncontaminated groundwater infiltration as defined in 40 CFR 35.2005(20), or unconta- minated pumped groundwater; 8) Water from exterior foundation drains, foot- ing drains (not including active groundwater dewatering systems), crawl space pumps, or air conditioning condensation; 9) Discharge from landscape irrigation or lawn watering; 10) Water from individual residential car wash- ing; 11) Discharge from dechlorinated swimming pool water (less than one ppm chlorine) pro- vided the water is allowed to stand for one week prior to draining and the pool is drained in such a way as not to cause a nuisance; Discharge from street sweeping; 12) Dye testing, provided verbal notification is given to the DPW prior to the time of the test; 13) Non-stormwater discharge permitted under an NPDES permit or a Surface Water Discharge Permit, waiver, or waste discharge order administered under the authority of the United States Environmental Protection Agency or the Department of Environmental Protection, provided that the discharge is in full compliance with the requirements of the permit, waiver, or order and applicable laws and regulations; and 14) Discharge for which advanced written approval is received from the DPW as necessary to protect public health, safety, welfare or the environment. 85 - 9. Emergency Suspension of Storm Drainage System Access The DPW may suspend municipal storm drain system access to any person or property without prior written notice when such suspension is necessary to stop an actual or threatened discharge of pollutants that presents imminent risk of harm to the public health, safety, welfare or the environment. In the event any person fails to comply with an emergency suspension order, the Authorized Enforcement Agency may take all reasonable steps to prevent or minimize harm to the public health, safety, welfare or the environment. 85 - 10. Notification of Spills Notwithstanding other requirements of local, state or federal law, as soon as a person responsible for a facility or operation, or responsible for emergency response for a facility or operation has information of or suspects a release of materials at that facility or operation resulting in or which may result in discharge of pollutants to the municipal drainage system or waters of the Commonwealth, the person shall take all necessary steps to ensure containment, and cleanup of the release. In the event of a release of oil or hazardous materials, the person shall immediately notify the municipal fire and police departments and the Department of Public Works, Conservation Department and the Board of Health. In the event of a release of non -hazardous material, the reporting person shall notify the Authorized Enforcement Agency no later than the next business day. The reporting person shall provide to the Authorized Enforcement Agency written confirmation of all telephone, facsimile or in -person notifications within three business days thereafter. If the discharge of prohibited materials is from a commercial or industrial facility, the facility owner or operator of the facility shall retain on -site a written record of the discharge and the actions taken to prevent its recurrence. Such records shall be retained for at least three years. 85 - 11. Enforcement A. The DPW or an authorized agent of the DPW shall enforce this by-law, regulations, orders, violation notices, and enforcement orders, and may pursue all civil and criminal remedies for such violations. B. Civil Relief. If a person violates the provisions of this bylaw, regulations, permit, notice, or order issued thereunder, the DPW may seek injunctive 83