Regulatory Zone Maps
These maps are presented on United States Geological Survey 7.5 Minute Quadrangles and reflect recharge and contributing zone areas regulated by Edwards Aquifer Authority Rules, ch. 713, (Water Quality), subchs. E (Spill Reporting), F (Regulated Materials Registration, Storage, and Planning), G (Aboveground and Underground Storage Tanks), and H (Prohibited Activities, §713.703).
In addition to the maps provided below, the EAA has also developed an interactive map for the EAA Subchapter 713 Regulated Zones.