Pollution prevention criteria in Category 2.
San Antonio City Code § 34-930
in effectSec. 34-930. - Pollution prevention criteria in Category 2.
The following criteria and restrictions shall apply to all regulated activity on a project that is classified as category 2 by section 34-925 of this division:
(a) Single-family residential. The projected impervious cover for all single-family residential development of a category 2 project shall not exceed a maximum of thirty (30) percent gross impervious cover.
(b) Multi-family residential. The projected impervious cover for multifamily residential development of a category 2 project shall not exceed a maximum of fifty (50) percent gross impervious cover.
(c) Commercial. The projected impervious cover for commercial development of a category 2 project shall not exceed a maximum of sixty-five (65) percent gross impervious cover.
(d) Special conditions. Development activities regulated by this section shall be subject to the following special conditions:
(1) Within a multi-use project, impervious cover limits may be exceeded in a given area if compensated for in another area which is within the same overall project and which is dedicated on a simultaneous basis.
(2) The allowable impervious cover in this section does not override requirements for significant recharge feature protection buffer zones or floodplain preservation areas and buffer zones.
(3) Additional control strategies as described in Subdivision E are required on all multi-family and commercial development.
(4) Non-Structural Best Management Practices as described in Subdivision E are required for all single-family developments
(5) Must be designed to prevent degradation.
(e) Monitoring. Monitoring of runoff for pollutant concentrations and loadings shall be required, according to standards established by. the SAWS pursuant to its stormwater program and/or NPDES permit process, including but not limited to, baseline assessments, appropriate pollution prevention design, performance inspections, and nondegradation requirements. The monitoring methods, protocol and expense will be determined by SAWS at the time of permit review and approval. Expenses for monitoring will be the responsibility of the affiant.
(f) Major intersection nodes (node). For the purpose of this section a node shall mean a rectangular area centered on a major intersection, and having boundaries based on a linear distance from the outer limits of the rights-of-way (ROW) of the intersecting streets, roads, of highways (nodal distance). The length and width of the node is equal to the ultimate rights-of-way width of the street plus the nodal distance on each side of the street ROW, as determined by the resource protection and compliance department and the City of San Antonio. Percentages of impervious cover in Major Intersection Nodes may exceed the limits imposed elsewhere in this division, but shall be limited as follows:
Type of Intersection | Nodal Distance | Commercial Impervious Coverage
Hwy-Hwy Intersection | 2500′ | 80% Maximum
Hwy-Arterial Intersection | 1000′ | 75% Maximum
(Ord. No. 2006-02-16-0241, § 2, 2-16-06; Ord. No. 2014-08-14-0581, §§ 3, 9, 8-14-14)
Source: City of San Antonio, City Code, City Charter and Unified Development Code (Municode Library, library.municode.com)URL: https://library.municode.com/tx/san_antonio/codes/code_of_ordinances?nodeId=PTIICO_CH34WASE_ARTVIWAQUCOPOPR_DIV6AQREZOWAPR_SDDPOPRCR_S34-930POPRCRCA2Fetched: 10/27/2026