Sammamish Unified Development Code

Surface Water Management (Title 13) | Environment & Sustainability

Clean Water Act, 33 U.S.C. 1251 et seq. In meeting the intent of the Clean Water Act the City council also recognizes the importance of maintaining economic viability while providing necessary environmental protection and believes this chapter helps achieve both goals.

xiii. Pesticides, herbicides or fertilizers;

xiv. Steam cleaning wastes;

xv. Soaps, detergents or ammonia;

xvi. Swimming pool backwash;

2. Discharges into waters

xvii. Chlorine, bromine and other disinfectants;

a. It is unlawful for any person to discharge any contaminants into surface and stormwater, groundwater or Puget Sound. Contaminants include, but are not limited to, the following:

xviii. Heated water;

xix. Domestic animal wastes;



i. Trash or debris;

xxi. Recreational vehicle waste;

ii. Construction materials;

xxii. Animal carcasses;

iii. Petroleum products including but not limited to oil, gasoline, grease, fuel oil, heating oil;

xxiii. Food wastes;

iv. Antifreeze and other automotive products;

xxiv. Bark and other fibrous materials;

v. Metals in either particulate or dissolved form;

xxv. Collected lawn clippings, leaves or branches;

vi. Flammable or explosive materials;

xxvi. Silt, sediment or gravel;

vii. Radioactive material;

xxvii. Dyes, except as stated in subsection 2.e. of this section; xxviii. Chemicals not normally found in uncontaminated water;

viii. Batteries;

ix. Acids, alkalis, or bases;

x. Paints, stains, resins, lacquers or varnishes;

xxix. Any hazardous material or waste not listed above.

xi. Degreasers and solvents;

b. Illicit Connections. Any connection identified by the director that could convey anything not composed entirely of surface and stormwater directly to surface

xii. Drain cleaners;

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

Title 21: Sammamish Development Code | 159

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