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The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:

Drainage basin development fee means the fee levied and assessed upon each vacant and undeveloped lot and parcel of land within the city for the purpose of funding the construction and installation of regional facilities in accordance with the drainage master plan.

Drainage basin plans mean those plans which describe flood control and storm drainage channels, structures, sewers and facilities for conveyance, control or storage of stormwater in individual drainage basins. Upon approval by the general manager, such plans shall become detailed subsections of the drainage master plan.

Drainage facilities mean all manmade structures or natural watercourses owned, operated or maintained by the city which are used for the conveyance, control or storage of stormwater arising within the city limits or within drainage basins which discharge into the city limits.

(1) Major facilities mean those drainage facilities identified in the drainage master plan which provide for the conveyance or detention of stormwater runoff generated from an area of greater than 130 acres. Such projects include but are not limited to regional detention ponds, stream improvements, drop structures in constrained urban streams, and bank stabilization. All major facilities shall be constructed as maintenance eligible projects.

(2) Minor facilities mean those drainage facilities which provide for the conveyance or detention of stormwater runoff generated within a master planned parcel, or that serves a project area of fewer than 130 acres. Examples of minor facilities include but are not limited to storm sewers, overflow tracts, drop structures in undeveloped areas, sub-regional detention ponds and drainage conveyance.

Drainage master plan means the overall plan developed by the general manager which addresses various matters relating to storm drainage within the city, including the identification of drainage and flooding problems, the compilation of base data related to rainfall and runoff, proposals for controlling stormwater flows, and cost control measures regarding the construction, operation and maintenance of drainage facilities. Such plan shall identify the principal features of the storm drainage system and shall consist of approved drainage basin plans, drainage basin maps, basic drainage concepts and related calculations, and any other items deemed appropriate by the general manager.

Maintenance eligible projects (MEPs) means projects that have received written confirmation from urban drainage and flood control district that they have met the criteria set forth in their guidelines to satisfy this designation.

Master planned parcel means any development area that has an approved general development plan or framework development plan.

Monthly usage rate means the monthly rate imposed on each and every lot or parcel of land within the city to pay for the operation, maintenance, improvement, and replacement of drainage facilities.

Regional facilities mean any major facilities that have been identified in a drainage master plan, which serve a tributary area of adjacent parcels owned by multiple subdividers.

Storm drainage system means all drainage facilities owned, operated or maintained by the city which are used for the conveyance, control or storage of stormwater to, through and from drainage areas to points of final outlet, including but not limited to any and all of the following: conduits, canals, ditches, channels, streams, gulches, gullies, flumes, culverts, streets, curbs, gutters, catchbasins, detention and retention ponds, siphons, bridges, pump stations, and all features appurtenant thereto.

Subdivider means the same as the definition of subdivider in chapter 146, Unified Development Ordinance. (Code 1979, § 17-17; Ord. No. 2023-44, § 36, 9-11-2023; Ord. No. 2019-83, § 4, 11-4-2019; Ord. No. 2005-74, § 1, 10-10-2005)

Cross reference: Definitions generally, § 1-2.