To better assist you in managing your groundwater withdrawal permit(s), the EAA has developed a full range of online permit holder tools. The PWeb portal currently includes access to a database of Groundwater Permits, a Critical Period Calculator, and an up-to-date Sellers/Lessors List. Other helpful tools will be added to this section as they are developed.

	Our Groundwater Permit list provides a detailed, real-time list of all current EAA-issued permits, which allows users to search the permits database by filtering pertinent information—including authorized amounts, withdrawal purpose, pool, and county. To access this tool Click Here

	Our auto-fill Critical Period Calculator allows you to accurately determine the authorized groundwater withdrawal amount available for use during times of mandatory critical period management. To access the calculator Click Here

	Our Interactive Critical Period Calculator allows you to predict and plan your groundwater withdrawal amount available for use during times of mandatory critical period management. To access the calculator Click Here

	The Groundwater Sellers / Lessors list puts you in contact with individuals and entities interested in selling and/or leasing Edwards Aquifer groundwater withdrawal rights. Click Here