Edwards Aquifer: Rules and Technical Guidance

Chapter 213 Rules Protecting the Edwards Aquifer — Also see the rules at Title 30, Texas Administrative Code (30 TAC) Chapter 213

Complying with the Edwards Aquifer Rules: Technical Guidance on Best Management Practices (RG-348) — Guidance on the rules that apply specifically to the Edwards Aquifer.

Optional Enhanced Measures: Water Quality Protections for the Edwards Aquifer — Letters and TCEQ publications about using Optional Enhanced Measures (OEM) to protect federally listed species from potential water quality impacts to the Edwards Aquifer.

Innovative Technology Use and Evaluation — Information about and application to use innovative, cost-effective storm water management technologies to protect the Edwards Aquifer.

Edwards Aquifer Protection Program Contractor Handout  (GI-406) — Building on the Edwards Aquifer? Added responsibilities and requirements apply.

Sensitive Features Encountered During Construction — Overview of the steps that must be taken if sensitive features are encountered during a construction activity over the Edwards Aquifer.

Instructions to Geologists for Geologic Assessments on the Edwards Aquifer Recharge/Transition Zones  (TCEQ-0585-Instructions)

Rules Protecting the Edwards Aquifer Recharge and Transition Zones  (RG-011) — Guidance on restrictions relating to construction on the Edwards Aquifer Recharge Zone in Williamson, Travis, Hays, Comal, Bexar, Medina, Uvalde, and Kinney counties.

Best Management Practices for Quarry Operations  (RG-500) — A guide to complying with the Edwards Aquifer rules pertaining to quarries.

Calculation Spreadsheet: Total Suspended Solids Removal — Excel spreadsheet that may be used to calculate the required Total Suspended Solids removal for permanent BMPs.