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(1) Purpose. It is the City’s policy to maintain the natural hydrology, protect water quality, avoid impacts to private properties, and preserve capacity in the City storm drain system by mitigating the direct impacts of development.

(2) Applicability. Development on private property shall provide stormwater facilities in compliance with the Rogue Valley Stormwater Quality Design Manual, adopted by reference in Section 10.481, and the following:

(a) Stormwater quality treatment and retention shall be addressed with the development that constructs or reconstructs 5,000 square feet or more impervious surface.

(b) Stormwater quality treatment, retention, and detention shall be addressed with development that constructs or reconstructs 10,000 square feet or more of impervious surface.

(c) For subdivisions, partitions, or PUDs with less than 5,000 square feet of new private streets, minimum access easements, or other shared impervious surfaces, each lot will be considered a separate development.

(d) As used in this section, “stormwater facility” refers only to a facility that provides one or more of the following: stormwater quality treatment, detention, or retention.

(3) Location. Stormwater facilities for development that does not include public rights-of-way shall be constructed on private property.

(4) Construction and Maintenance Standards.

(a) Stormwater facilities shall be constructed in conformance with Section 10.481, Improvement Standards Adopted.

(b) The stormwater facility design shall be approved by the City Engineer or designee prior to construction.

(c) Stormwater facilities for development that does not include public rights-of-way shall be privately maintained and shall have an Operation and Maintenance Plan approved by the City Engineer or designee prior to construction of the facility.

(d) When there will be multiple parties responsible for maintenance, an Operation and Maintenance Agreement, in a form acceptable to the City Engineer and the City Attorney, shall be required, in addition to the Operation and Maintenance Plan.

[Added Sec. 11, Ord. No. 2009-240, Nov. 5, 2009; Amd. Sec. 2, Ord. No. 2023-10, Jan. 19, 2023.]