Aquifer Beaker

Edwards Aquifer

Aquifer Level 685.0'
2/20/17 - 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 685.0 | Year-Round Watering Hours


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Conservation Outreach Calendar

Explore our online calendar and find out more about SAWS Conservation events scheduled in the San Antonio area. Events include workshops, seminars, lectures and other functions promoting conservation.

Lunch and Learn Series: Butterfly Babies

February 23, 2017 (Thu) 11:30 AM - 1:00 PM
San Antonio Botanical Garden - 555 Funston
Butterfly babies—aka caterpillars—are found in the Garden if you know where to look! Discover what host plants are, and why they are needed in your butterfly garden. Join us for an indoor presentation followed by a walk to uncover butterfly host plants throughout the Garden. Leave with a host plant for the butterfly babies in your neighborhood. Fee: $15 ($13.50 members) Bring your lunch

Gardening in South Texas

February 25, 2017 (Sat) 9:30 AM - 11:00 AM
San Antonio Botanical Garden - 555 Funston
Join horticulturist and author, Mary Irish, as she explores the conditions that drive gardening success in South Texas. Whether you're new to gardening or just new to gardening in South Texas, Mrs. Irish, is a wealth of knowledge. Class topics include soils, rainfall regimes, seasons, and strong emphasis on plant selections in all categories (trees, shrubs, perennials, bulbs, etc.). Mrs. Irish has written ten books, including Texas: Getting Started Garden Guide, Trees and Shrubs for the Southwest, Perennials for the Southwest, and Agaves, Yuccas and Related Plants. Fee: $20 ($18 members)

Spring Clean-Up

February 25, 2017 (Sat) 10:30 AM - 12:30 PM
Milbergers Nursery - 3920 N Loop 1604
Learn the best practices for preparing your spring garden: proper pruning, mulching and fertilization with David Rodriguez, Extension Horticulturist for Texas A&M AgriLIFE Extension Service. Bring a notebook. Earth-Kind Seminar at the nursery. FREE

Butterfly Gardening

March 2, 2017 (Thu) 2:00 PM - 4:00 PM
John Igo Library - 13330 Kyle Seale Pkwy
Presentation on Butterfly Gardening: discussion of recommended plants that attract butterflies and how to care for them. SAWS materials will be handed out that provide information on current rebate, website and consults for outdoor landscape.

Creating a Kinder World

March 4, 2017 (Sat) 9:00 AM - 1:00 PM
Leon Valley Community Center - 6427 Evers Rd
Community event - watersaver principles and resources within the community.

Herbal Infusions, Vitamin Waters and other Herbal Drink

March 9, 2017 (Thu) 6:30 PM - 8:30 PM
San Antonio Garden Center - 3310 N New Braunfels
Herbal tea, or, more properly, tisane, is any beverage made from the infusion or decoction of herbs, spices, or other plant material in hot water, and usually does not contain caffeine. -Wikipedia Our speaker will be Ms. Patricia James-Hasser. Ms Hasser, a lover of herbs and of blending herbal teas, will, once again, inspire us with her extensive knowledge on these subjects. Retired from 22 years in the Army, Pat enjoys studying and learning not only about culinary herbs, but also herbs for their practical uses for the whole household. Pat also finds great interest in the secrets and etiquette of an afternoon tea and cooking as practiced in colonial days. Pat is a member of the Mayflower Society, and several organizations dedicated to furthering an appreciation of national heritage. She acted as the Chef de Gare du Voiture for The Forty and Eight, and is a long-distance member of the SAHS. The San Antonio Herb Society meets at the San Antonio Garden Center located on the corner of Parland and N. New Braunfels. The meeting is free and open to the public. For more SAHS information, see our website at

Native Plant Walk: South Texas

March 10, 2017 (Fri) 10:00 AM - 12:00 PM
San Antonio Botanical Garden - 555 Funston
MEET AT THE CARRIAGE HOUSE Explore our 11-acre Texas Native Trail with a focus on South Texas. This area has its own distinctive and diverse ecological region of Texas, varying in soil, plant life, topography, and weather. There are more than 250 plant species in collections that represent three ecosystems. In the East Texas Pineywoods, visitors find pines, sweetgum, sassafras, and other acidic soil-loving woodland species. The Hill Country area features live oaks, juniper, Texas mountain laurel, Eve’s necklace, Blanco crabapple, Possum Haw, Hop-tree, Uvalde maples, and other limestone tolerant plants. In the South Texas region, dryland trees and thorny brush such as torchwood, Mexican olive, mesquite, Texas ebony, and huisaache thrive

Spring Bloom

March 11, 2017 (Sat) 9:00 AM - 1:00 PM
SAWS Headquarters - 2800 US Hwy 281 N
Flora and fun - you'll find it all at SAWS Headquarters during Spring Bloom. This free event is your opportunity to learn about gardening, landscape care and so much more. SAWS and other participants will offer great tips to help spruce up your yard while saving water. Free and open to the public.

WaterSaver Walk: Explore the cycle of water conservation for landscapes in San Antonio

March 11, 2017 (Sat) 10:00 AM - 12:00 PM
San Antonio Botanical Garden - 555 Funston
MEET AT THE CARRIAGE HOUSE Join Master Naturalist, Linda Cace for a tour of our WaterSaver gardens and learn about the cycle of water conservation in San Antonio. Fee: Free with Admission

Japanese Gardening Experience

March 11, 2017 (Sat) 1:00 PM - 3:00 PM
San Antonio Botanical Garden - 555 Funston
Description: Celebrate Japanese culture by touring our Japanese Garden, Kumamoto En. Enjoy the peace and tranquility of the garden with a tea ceremony and demonstration of Ikebana floral design. Fee: $20 ($18 members)

Harvesting Rainwater & Do-It-Yourself Rain Barrel Workshop

March 25, 2017 (Sat) 9:30 AM - 12:00 PM
San Antonio Botanical Garden - 555 Funston
Join Lou Kellogg for a rainwater harvesting class. Learn how harvesting rain water can reduce your water bills while providing a source of free water during drought conditions. This class is also a Do-It-Yourself workshop for your personal 55-gallon rain barrel that you will make and take home with you at the end of class. Fee: $55 (includes materials: 55-gallon rain barrel and spout)

Lunch and Learn Series: Revealing Fruit

March 30, 2017 (Thu) 11:30 AM - 1:00 PM
San Antonio Botanical Garden - 555 Funston
Plants use crafty strategies for getting their babies dispersed and into favorable environments. Join us as we eat our way through a lecture on the secrets of fruits. Fee: $15 ($13.50 members) Bring your lunch

Converting Your Garden to a Waterwise Garden

April 8, 2017 (Sat) 9:30 AM - 11:00 AM
San Antonio Botanical Garden - 555 Funston
What are the chief techniques to turning a yard dominated by lawn and thirsty plants into one that is beautiful but uses less water? This class will teach both techniques and considerations in the conversion to a waterwise garden, as well recommended plants. Mary Irish is a horticulturist, author and manages the greenhouse at the San Antonio Botanical Garden. She has over 20 years experience. Fee: $20 ($18 members)

South Texas Lawn Care: I Want the Same Kind of Grass THEY Have

April 8, 2017 (Sat) 9:30 AM - 11:00 AM
San Antonio Botanical Garden - 555 Funston
Lawn grasses in our area can be a beauty or a beast. Some require lots of water while others don't. All require at least some TLC in order to be lush and carpet-like. In this class we discuss the major varieties of grass that do well here, fertilizer for them, watering, and pest/disease problems. Fee: $20 ($18 members)

Viva Botanica

April 22, 2017 (Sat) 10:00 AM - 2:00 PM
San Antonio Botanical Garden - 555 Funston
Celebrate Fiesta® and Earth Day at the San Antonio Botanical Garden. Enjoy Los Colores of spring in th Garden and learn about nature with fun, hands-on activities. Fee: Free with Admission

Texas Superstar® Plants

April 29, 2017 (Sat) 9:30 AM - 11:00 AM
San Antonio Botanical Garden - 555 Funston
Texas Superstar® plants provide maximum beauty with minimal care. They come highly recommended for WaterSaver landscapes by Texas A&M AgriLife Research and Extension. Learn from Master Gardener, Brigid Oman, about the variety of plants that have been subjected to statewide testing and been found to be hardy, tolerating the heat and drought conditions as well as proving to be disease and insect tolerant. Fee: $20 ($18 members)