Sammamish Unified Development Code

Surface Water Management (Title 13) | Environment & Sustainability

use of, notice and orders, assessment of civil penalties and fines, or other compliance actions may be used in the following circumstances: i. The discharge, whether standalone or in combination with other discharges, is causing a significant contribution of contaminants to surface and stormwater or groundwater; or ii. The discharge poses a hazard to the public health, safety or welfare, endangers any property or adversely affects the safety and operation of City right-of-way, utilities or other City-owned or maintained property. c. Persons implementing BMPs through another federal, state or local program will not be required to implement the BMPs prescribed in the King County Stormwater Pollution Prevention Manual, unless the director determines the alternative BMPs are ineffective at reducing the discharge of contaminants. If the other program requires the development of a stormwater pollution prevention plan or other best management practices plan, the person shall make the plan available to the City upon request. Persons who qualify for exemptions include, but are not limited to, persons: i. Required to obtain a general or individual NPDES permit from the Washington State Department of Ecology; ii. Implementing and maintaining, as scheduled, a King Conservation District-approved farm management plan;

iii. Implementing BMPs in compliance with the management program of the City’s municipal NPDES permit; iv. Engaged in forest practices, with the exception of forest practices occurring on lands platted after January 1, 1960, or on lands being converted to another use or when regulatory authority is otherwise provided to local government by RCW 76.09.240; or v. Identified by the director as being exempt from this section.

5. Enforcement

a. The director is authorized to carry out enforcement actions for violations of this chapter pursuant to the enforcement and penalty provisions of SMC 23.100.030 and other enforcement provisions adopted by rule under the procedures of Chapter 2.55 SMC. b. The director shall gain compliance with this chapter by requiring the implementation of operational and/or source control BMPs. Source control BMPS are found in the King County Stormwater Pollution Prevention Manual. The director may also require maintenance of stormwater facilities which discharge into the MS4 in accordance with maintenance standards established in the Surface Water Design Manual. The director may initially rely on education and informational assistance as much as possible to gain compliance with this chapter prior to civil enforcement and/or penalties. The director may pursue civil enforcement and/or

Effective | January 1, 2022 Revisions | June 29, 2022

Title 21: Sammamish Development Code | 163

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