Aquifer Beaker

Edwards Aquifer

Aquifer Level 635.3'
12/12/14 - 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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Landscape Watering
Last Digit of Address Watering Day
0 or 1 Monday
2 or 3 Tuesday
4 or 5 Wednesday
6 or 7 Thursday
8 or 9 Friday
No Watering on Weekends

Stage 2:
Water On Your Day

Watering with an irrigation system or sprinkler is allowed only once a week from 7-11 a.m. and 7-11 p.m. on your designated watering day as determined by your address.

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Aquifer Level 635.3 | Stage 2: Water On Your Day

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Commercial Programs & Rebates

Commercial Programs & Rebates

With Commercial customers accounting for 10 percent of the customer base but 40 percent of SAWS' annual water sales, there is great potential for both water and monetary savings through our commercial conservation programs.

Large-Scale Retrofit Rebate

Commercial Custom Rebate

Commercial businesses may receive a rebate up to 100 percent of installed water-saving equipment.

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Certified WaterSaver Program: Restaurants

Certified WaterSaver Program: Restaurants

Retrofitting your business with free water-conserving products can lower your operating costs.

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Irrigation Design Rebate

Through this program, SAWS conservation consultants will work with your irrigator to help identify design flaws in your irrigation system that, if changed, can result in water savings and healthier landscapes.

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Condensate Collection and Use Manual

To help increase the use of condensate, this manual was created as a guide for implementing a condensate collection and use system for commercial buildings in San Antonio.

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Non-Potable Water Tank Registration

Non-potable water tanks installed on a property to capture and store water must register with SAWS.

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Commercial Cooling Tower Registration

Cooling towers use vast amounts of water, so they must be managed accurately for efficient operation. All existing cooling towers must be registered with San Antonio Water System. New cooling towers should be registered with SAWS prior to the start of operation.

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Commercial Cooling Tower Audit

The cooling tower audit is brief, but intensive, on-site evaluation of your cooling tower and cooling water system.

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Certified WaterSaver Program: Car Washes

Certified WaterSaver Program: Car Washes

The WaterSaver Car Wash Program results in real water savings, protects water quality, provides recognition and financial incentives for program participants.

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Power Washing

Power Washing

The program rewards local pressure washing businesses for promoting clean water awareness and implementing best management practices.

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Charity Car Washes

Attention all fundraisers! If you or someone you know raises money through car wash events, please know that the rules have changed.

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Irrigation Checkup

Annual irrigation checkups for properties 5 acres and larger can contribute to water savings. Deadline is May 1 annually.

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Drought-Tolerant Grass Varieties for Commercial & Residential Builders

Conservation ordinance requires residential and commercial builders to install turf grass from an approved list of drought-tolerant varieties for newly constructed homes or businesses.

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