1. The maintenance, operation, repair, and replacement of private storm drainage facilities shall be the responsibility of the property owner. Where the private storm drainage facilities serve multiple properties, the maintenance, operation, repair and replacement shall be the responsibility of the owners of the subject properties.

2. The private storm drainage facilities shall be maintained so that discharges comply with the water quality requirements in ACC 13.48.210. The maintenance, operation, repair, and replacement shall be performed in accordance with the standards listed in the SWMM.

3. The city may inspect the private storm drainage facilities in order to ensure continued use of the facilities for the purposes for which they were built and in accordance with these arrangements. Failure to maintain the private storm drainage facilities in accordance with the maintenance standards listed in the SWMM shall be considered a violation, enforceable in accordance with Chapter 1.25 ACC.

4. If the property owner’s failure to maintain the private storm drainage facility results in flooding or damage to the adjacent roadway or public storm drainage facility, the city retains the right to make emergency repairs as needed to protect public safety.

5. Except as described in subsection B of this section, surface maintenance of private and public storm management facilities along roadways, including, but not limited to, ditches, channels, streams, culverts, catch basin openings and grates, and pervious sidewalks, shall be the burden and expense of the abutting property owner. Maintenance shall include, but not be limited to: (a) removal of trash, debris, invasive vegetation, and moss; and (b) vegetation trimming and maintenance. Property owners are not responsible for the maintenance of underground public storm water facilities such as pipes, catch basins, manholes, subgrade material of bioswales, and other underground structures and appurtenances.

1. The city is responsible for the operation, repair, replacement, and maintenance to the extent needed to provide adequate storage, conveyance, infiltration, and treatment of public storm drainage facilities.

2. The maintenance, operation, repair, and replacement shall be performed in accordance with the standards listed in the SWMM. (Ord. 6851 § 1 (Exh. A), 2022; Ord. 6617 § 17, 2016; Ord. 6283 § 12, 2009; Ord. 5853 § 1, 2004; Ord. 5212 § 1 (Exh. J), 1999; Ord. 4492 § 4, 1991.)