ENVIRONMENTAL RESOURCE INVENTORY; POLLUTANT ATTENUATION PLAN.

Austin City Code tit. 25, ch. 25-8, subch. A, art. 3

in effect

Austin City Code § 25-8-121 ENVIRONMENTAL RESOURCE INVENTORY REQUIREMENT.

§ 25-8-121 - ENVIRONMENTAL RESOURCE INVENTORY REQUIREMENT. (A) For an application for a preliminary plan or plan, an applicant may provide an environmental resource inventory in accordance with this section to demonstrate compliance with applicable regulations. (B) For all other applications, an applicant shall file an environmental resource inventory with the director for proposed development located on a tract: (1) within the Edwards Aquifer recharge zone; (2) containing a critical water quality zone; (3) with a gradient of more than 15 percent; or (4) containing, or within 150 feet of, a potential or verified wetland feature as identified in a map maintained by the Watershed Protection Department and made available for reference online and at the offices of the Development Services Department. (C) An environmental resource inventory must: (1) identify critical environmental features and propose protection measures for the features; (2) provide an environmental justification for spoil disposal locations or roadway alignments; (3) propose methods to achieve overland flow; (4) describe proposed industrial uses and the pollution abatement program; and (5) be completed as prescribed by the Environmental Criteria Manual. (D) An environmental resource inventory must include: (1) a hydrogeologic report in accordance with Section 25-8-122 (Hydrogeologic Report); (2) a vegetation report in accordance with Section 25-8-123 (Vegetation Report); and (3) a wastewater report in accordance with Section 25-8-124 (Wastewater Report). (E) The director of the Watershed Protection Department may permit an applicant to exclude from an environmental resource inventory information required by this section after determining that the information is unnecessary because of the scope and nature of the proposed development. Source: Section 13-7-28; Ord. 990225-70; Ord. 010329-18; Ord. 031211-11; Ord. 20131017-046; Ord. No. 20170615-102, Pt. 15, 6-15-17; Ord. No. 20191114-064, Pt. 12, 11-25-19; Ord. No. 20221027-045, Pt. 14, 11-7-22; Ord. No. 20230831-141, Pt. 46, 9-11-23.

Austin City Code § 25-8-122 HYDROGEOLOGIC REPORT.

§ 25-8-122 - HYDROGEOLOGIC REPORT. A hydrogeologic report must: (1) generally describe the topography, soils, and geology of the site; (2) identify springs and significant point recharge features on the site; (3) demonstrate that proposed drainage patterns will protect the quality and quantity of recharge at significant point recharge features; and (4) identify all recorded and unrecorded water wells, both on the site and within 150 feet of the boundary of the site. Source: Section 13-7-28(1); Ord. 990225-70; Ord. 031211-11; Ord. 20131017-046.

Austin City Code § 25-8-123 VEGETATION REPORT.

§ 25-8-123 - VEGETATION REPORT. A vegetation report must: (1) demonstrate that the proposed development: (a) preserves to the greatest extent practicable the significant trees and vegetation on the site; and (b) provides maximum erosion control and overland flow benefits from the vegetation; (2) include one of the following: (a) a tree survey of all trees with a diameter of at least eight inches measured four and one-half feet above natural grade level; or (b) on approval of the city arborist, stereo aerial photographs that are nine inches by nine inches in size, are at a scale of one inch to 400 feet or larger, and were photographedbetween the months of April and November; and (3) for a commercial or multifamily site, include a vegetation survey that shows the approximate locations and types of all significant vegetation. Source: Section 13-7-28(2); Ord. 990225-70; Ord. 031211-11.

Austin City Code § 25-8-124 WASTEWATER REPORT.

§ 25-8-124 - WASTEWATER REPORT. A wastewater report must: (1) provide environmental justification for a sewer line location in a critical water quality zone; (2) address construction techniques and standards for wastewater lines; (3) include calculations of drainfield or wastewater irrigation areas; (4) describe alternative wastewater disposal systems used over the Edwards Aquifer recharge zone; and (5) address on-site collection and treatment systems, their treatment levels, and effects on receiving watercourses or the Edwards Aquifer. Source: Section 13-7-28(3); Ord. 990225-70; Ord. 031211-11.

Austin City Code § 25-8-125 POLLUTANT ATTENUATION PLAN.

§ 25-8-125 - POLLUTANT ATTENUATION PLAN. An applicant proposing an industrial use that is not completely enclosed in a building shall provide a pollutant attenuation plan in accordance with the Environmental Criteria Manual. Source: Section 13-7-32; Ord. 990225-70; Ord. 031211-11; Ord. 20131017-046.

Source: City of Austin, City Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/tx/austin/codes/code_of_ordinances?nodeId=TIT25LADE_CH25-8EN_SUBCHAPTER_AWAQU_ART3ENREINPOATPLFetched: 10/27/2026