Aquifer Beaker

Edwards Aquifer

Aquifer Level 687.2'
2/24/17 - Official

The Edwards aquifer and its catchment area in the San Antonio region is about 8,000 square miles and includes all or part of 13 counties in south-central Texas.

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Year-Round Watering Hours

Watering with an irrigation system or sprinkler is allowed any day of the week before 11 a.m. or after 7 p.m.

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Aquifer Level 687.2 | Year-Round Watering Hours


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Meet the Education Staff

Greg Wukasch

Greg WukaschWukasch has been with SAWS since 1998. He coordinates all elementary school educational programs. His responsibilities include classroom presentations, curriculum development and educator training.

Wukasch has a Bachelor of Recreation Administration from Texas State University. He has also worked as an environmental educator with the Aquarena Center in San Marcos and as a corporate training development coordinator for Six Flags.

Greg is married with three children. He loves to garden, read, hike, camp, spend time with his family and is a theme park enthusiast.

For information on the elementary school program H2O Heroes or The Rain to Drain Experience community field trips, please contact Wukasch at:

Lynne Christopher

Lynne ChristopherChristopher coordinates the middle and high school education programs for SAWS. Her duties include classroom presentations, conducting field trips, curriculum development and teacher training. In addition, she administers the SAWS Environmental Education and Awareness Mini-Grant Program which provides funds for water-related field trips.

Christopher has a Bachelor of Education in elementary education from the University of Alabama and a Master of Education in middle grades from Georgia State University. She has more than 12 years of formal classroom experience and 15 years of informal science education. She managed school and teacher programs at the Witte Museum prior to working at SAWS.

Christopher is married and has three children. She loves reading, singing in her church choir, doing home improvement projects and is a huge Star Trek fan.

For information on the middle school program Student Water Investigators (SWI) and the high school program, please contact Christopher at: