Austin |
Land Development Code |
Title 25. LAND DEVELOPMENT. |
Chapter 25-8. ENVIRONMENT. |
SubChapter A. WATER QUALITY. |
Article 11. WATER SUPPLY RURAL WATERSHED REQUIREMENTS. |
§ 25-8-453. UPLANDS ZONE.
(A)
This section applies to development in an uplands zone. Density and impervious cover limits are based on net site area.
(B)
For a duplex or single family residential use, density may not exceed:
(1)
one unit for each two acres, with a minimum lot size of three-quarters acre; or
(2)
if development intensity is transferred under Section 25-8-454 ( Transfer of Development Intensity ), one unit for each acre, with a minimum lot size of one-half acre.
(C)
This subsection applies to cluster housing.
(1)
Density may not exceed:
(a)
one unit for each acre; or
(b)
if development intensity is transferred under Section 25-8-454 ( Transfer of Development Intensity ), two units for each acre.
(2)
At least 40 percent of the uplands area of a site must be retained in or restored to its natural state to serve as a buffer. The buffer must be contiguous to the development, and must receive overland drainage from the developed areas of the site unless a water quality control is provided. Use of the buffer is limited to fences, water quality controls that comply with Subdivision 25-8-213(C)(3) ( Water Quality Control Standards ), utilities that cannot reasonably be located elsewhere, irrigation lines not associated with wastewater disposal, and access for site construction. A wastewater disposal area may not be located in the buffer.
(D)
This subsection applies to a commercial, multifamily residential use, or mixed use.
(1)
Impervious cover may not exceed:
(a)
20 percent; or
(b)
if development intensity is transferred under Section 25-8-454 ( Transfer Of Development Intensity ), 25 percent.
(2)
At least 40 percent of the uplands area of a site must be retained in or restored to its natural state to serve as a buffer. The buffer must be contiguous to the development, and must receive overland drainage from the developed areas of the site unless a water quality control is provided. Use of the buffer is limited to fences, water quality controls that comply with Subdivision 25-8-213(C)(3) ( Water Quality Control Standards ), utilities that cannot reasonably be located elsewhere, irrigation lines not associated with wastewater disposal, and access for site construction. A wastewater disposal area may not be located in the buffer.
Source: Section 13-2-564; Ord. 990225-70; Ord. 990819-99; Ord. 031211-11; Ord. 20131017-046; Ord. No. 20170615-102 , Pt. 24, 6-15-17.