Austin |
Land Development Code |
Title 30. AUSTIN/TRAVIS COUNTY SUBDIVISION REGULATIONS. |
Chapter 30-5. ENVIRONMENT. |
SubChapter A. WATER QUALITY. |
Article 9. SUBURBAN WATERSHED REQUIREMENTS. |
§ 30-5-392. UPLANDS ZONE.
(A)
This section applies to development in an uplands zone. Impervious cover limits in this section are expressed as percentages of gross site area.
(B)
This subsection applies in the extraterritorial jurisdiction and in the portions of the Lake, Rattan, Buttercup, South Brushy, and Brushy Creek watersheds that are in the zoning jurisdiction.
(1)
Impervious cover for a single-family residential use with a minimum lot size of 5,750 square feet may not exceed:
(a)
45 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 50 percent.
(2)
Impervious cover for a duplex or single- family residential use with a lot smaller than 5,750 square feet in size may not exceed:
(a)
55 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 60 percent.
(3)
Impervious cover for a multifamily residential use may not exceed:
(a)
60 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 65 percent.
(4)
Impervious cover for a commercial use may not exceed:
(a)
65 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 70 percent.
(5)
Impervious cover for mixed use may not exceed:
(a)
the limits in subsection (B)(3) for the portion of the ground floor that is multifamily residential;
(b)
the limits in subsection (B)(4) for the portion of the ground floor that is commercial; and
(c)
impervious cover for the entire site shall be based on the ratios determined on the ground floor.
(C)
This subsection applies in the portion of the zoning jurisdiction that is outside the Lake, Rattan, Buttercup, South Brushy, and Brushy Creek watersheds.
(1)
Impervious cover for a single-family residential use with a minimum lot size of 5,750 square feet may not exceed:
(a)
50 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 60 percent.
(2)
Impervious cover for a duplex or single- family residential use with a lot smaller than 5,750 square feet in size may not exceed:
(a)
55 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 60 percent.
(3)
Impervious cover for a multifamily residential use may not exceed:
(a)
60 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 70 percent.
(4)
Impervious cover for a commercial use may not exceed:
(a)
80 percent; or
(b)
if development intensity is transferred under Section 30-5-393 (Transfer Of Development Intensity), 90 percent.
(5)
Impervious cover for mixed use may not exceed:
(a)
the limits in subsection (C)(3) for the portion of the ground floor that is multifamily residential;
(b)
the limits in subsection (C)(4) for the portion of the ground floor that is commercial; and
(c)
impervious cover for the entire site shall be based on the ratios determined on the ground floor.
Source: City Code Section 25-8-394; Ord. 031211-11; Ord. 031211-42; Ord. 20131017-046.