Disadvantaged Communities

This Disadvantaged Communities (DAC) file contains the Census tracts that met criteria as 2022 Disadvantaged Communities (SB535) with Tribal Areas that fall outside of the designated Census tracts. This DAC file represents four (4)geographic areas. In this designation, CalEPA formally designated four categories of geographic areas as disadvantaged: 1. Census tracts receiving the highest 25 percent of overall scores in CalEnviroScreen 4.0. 2. Census tracts lacking overall scores in CalEnviroScreen 4.0 due to data gaps, but receiving the highest 5 percent of CalEnviroScreen 4.0 cumulative pollution burden scores. 3. Census tracts identified in the 2017 DAC designation as disadvantaged, regardless of their scores in CalEnviroScreen 4.0. 4. Lands under the control of federally recognized Tribes. For purposes of this designation, a Tribe may establish that a particular area of land is under its control even if not represented as such on CalEPA’s DAC map and therefore should be considered a DAC by requesting a consultation with the CalEPA Deputy Secretary for Environmental Justice, Tribal Affairs and Border Relations at [e-mail]. SCAG combined both those Census tracts described in 1-3 categories and tribal areas defined by the United States Census Bureau in the 4th category to present a single layer with all of the designated disadvantaged communities. Note: Tribal Areas do not have CalEnviroScreen 4.0 analysis.本弱势社区（Disadvantaged Communities, DAC）数据集包含符合2022年《SB535法案》标准的人口普查街区（Census tracts），以及未纳入指定人口普查街区的部落区域。本DAC数据集涵盖四类地理区域。 在本次认定中，加州环境保护局（CalEPA）正式将四类地理区域划定为弱势社区： 1. 在加州环境筛查系统（CalEnviroScreen 4.0）中综合得分位列前25%的人口普查街区； 2. 因数据缺失导致加州环境筛查系统（CalEnviroScreen 4.0）未给出综合得分，但在该系统的累积污染负荷得分中位列前5%的人口普查街区； 3. 2017年DAC认定中被划为弱势社区的人口普查街区，无论其在该系统中的得分如何； 4. 联邦认可的部落所管辖的土地。 就本次认定而言，部落可通过致信[e-mail]，向加州环境保护局负责环境正义、部落事务与边境关系的副秘书长申请咨询，以证明某片土地归其管辖（即便该土地未在CalEPA的DAC地图中被标注为部落领地），从而将该区域纳入DAC范畴。 南加州政府协会（SCAG）将第1至3类所述的人口普查街区，与第4类中由美国人口普查局划定的部落区域进行合并，生成包含所有指定弱势社区的单一图层。 备注：部落区域未开展CalEnviroScreen 4.0分析。