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10-Year Annual Recharge Average (2013-2022) 553,230 acre-feet
Provisional Daily Water Readings as of 12:15:43 PM, May 27, 2025
821.4
FT. AMSL
625
FT. AMSL
61
CFS
82
CFS
J-27 Well
822 FT. AMSL
J-17 Well
624.3 FT. AMSL
Comal Springs
52 CFS
San Marcos Springs
84 CFS
FT AMSL = feet above mean sea level
CFS: cubic feet per second
Last updated: May 27, 2025
This calculator is only available December 31st - January 31st. Please check back on December 31, 2025, to calculate your reductions for the year.
As part of a comprehensive effort to streamline processes for our permit holders and the regulated community, the EAA now offers an online payment program that allows individuals and business entities to pay for their transactions by credit card (American Express, Discover, MasterCard, or VISA) or by electronic check.
The payment site is operated and maintained by a secure, third party, payment processor. A convenience fee of 2.75% applies to all credit card transactions (a $2 minimum fee) and a $2.00 fee applies to e-check transactions. The EAA does not keep any portion of these convenience fees. After confirmation of payment, the EAA will coordinate internally to ensure your payment is posted to the correct account. This process may take up to 72 hours.
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