Environment & Sustainability | Surface Water Management (Title 13)
washdown that does not use detergents. These discharges shall minimize the amount of street wash and dust control water used; xviii. Other non-stormwater discharges. The discharges shall be in compliance with the requirements of a pollution prevention plan reviewed by the City, which addresses control of such discharges. e. Dye testing is allowable but requires verbal notification to the City at least one day prior to the date of test. The City is exempt from this requirement.
h. Emergency response activities or other actions that must be undertaken immediately or within a time too short to allow full compliance with this chapter in order to avoid an imminent threat to public health or safety shall be exempt from this section. The director by public rule may specify actions that qualify for this exception in City procedures. A person undertaking emergency response activities shall take steps to ensure that the discharges resulting from such activities are minimized. In addition, this person shall evaluate BMPs and the site plan, where applicable, to restrict recurrence.
4. Stormwater Pollution Prevention Manual
f. A person does not violate subsection 1. of this section if:
a. Compliance with this chapter shall be achieved through the use of the best management practices described in the King County Stormwater Pollution Prevention Manual in effect on June 29, 2022 (effective date of the ordinance codified in this chapter). In applying the King County Stormwater Pollution Prevention Manual, the director shall first require the implementation of source control BMPs. If these are not sufficient to prevent contaminants from entering surface and stormwater or groundwater, the director may require implementation of treatment BMPs as set forth in AKART. The City will provide, upon reasonable request, available technical assistance materials and information, and information on outside financial assistance options to persons required to comply with this chapter. b. In applying the King County Stormwater Pollution Prevention Manual to prohibited discharges, the director may use public education and warnings as the primary method of gaining compliance with this chapter. The
i. That person has properly designed, constructed, implemented and is maintaining BMPs and is carrying out AKART as required by this chapter, but contaminants continue to enter surface and stormwater or groundwater; or ii. That person can demonstrate that there are no additional contaminants being discharged from the site above the background conditions of the water entering the site. g. A person implementing operational and/or source control BMPs under subsection 5.b is liable for any prohibited discharges through illicit connections, dumping, spills, improper maintenance of BMPs or other discharges that allow contaminants to enter surface and stormwater or groundwater.
Revisions | June 29, 2022 Effective | January 1, 2022
162 | Title 21: Sammamish Development Code
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