A. All roof and foundation drains may be discharged either to:
1. a street or an alley, or
2. a public or approved private storm drain, or
3. a natural drainageway, if adjacent to the lot, or
4. to an on-site storage facility.(i.e. rain storage tank)
5. to depressed landscaped areas with a sufficient buffer from building foundation.
6. other as approved by the City Engineer.
B. The design of drainage facilities that involve discharges to a public works improvement or public property shall be reviewed and approved by the Director of Public Works prior to issuance of a building permit by the Director of Community Development. The Director of Community Development may permit the use of an on-site detention, retention, or dry well located in the rear yard for such drainage, provided the design is reviewed and approved by the Director of Public Works. Any such dry well shall be subject to the requirements of A.R.S. §§ 49-331 through 336 which requires a permit from the ADEQ. See Section 151.22.029, Flood Hazard, for applicable provisions when location of dry wells falls within the flood prone area.
C. Subsurface drainage facilities may be required in areas of fill if it is determined by a geologist or certified soils engineer that there will exist a groundwater situation that could cause stabilization problems. Any subsurface natural spring or field tile shall be piped to an approved drainage facility.
(Ord. 743, passed 4-10-86; Am. Ord. 764, passed 1-8-87; Am. Ord. 875, passed 1-10-91; Am. Ord. 1043, passed 9-11-97; Am. Ord. 2019-007, passed 11-14-19)
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