A. All surface drainage water from roofs, drainage, parking, sales and display lots and other impervious surfaces shall be connected to a storm sewer when such system is available. When such system is not provided, such lots and areas shall provide for surface and storm drainage in accordance with the ordinances of the city.

B. Surface drainage waters may be connected to combined sewers. Combined sewers shall be allowed only in the north end of the city, as shown on Figure 6-10.1, “Combined Sewer Area,” of the Design and Construction Standards and Specifications (DCSS) created under Chapter 13.76, as currently enacted or later amended.

C. Except as provided in subsections A and B of this section, no person(s) or corporation(s) shall connect any source(s) of surface drainage water to a sanitary sewer; provided, that an industrial pretreatment permit may include authorization to discharge surface drainage waters or contaminated effluents from other sources to the Everett municipal sewer system under the terms and conditions therein. (Ord. 3731-20 § 2, 2020; Ord. 1506-88 § 4, 1988.)