Jan Klein, Conservation Coordinator

512.393.8310

Rainwater Harvesting

Rainwater harvesting is the collection and storage of rainwater before it runs into streets and gutters.  Harvesting rain water has been used for centuries and remains a practical way to conserve valuable water resources. 

Besides conservation, there are many other benefits to harvesting rain water:

• It’s simple.  All you need is gutters and something to catch the water in.

• Rainwater is free!  All you have to buy is the collection system.

• Plants love it! Rainwater is low in dissolved minerals and almost ph neutral.

• It’s an alternative water supply so it’s exempt from drought restrictions.

• It’s a great way to reduce storm water runoff, thus reducing erosion and pollution of streams and rivers.   

• It can reduce summer load on water treatment and distribution systems. 

Rain Barrel Rebate Program

To encourage rainwater harvesting, the City of San Marcos is offering a rebate of up to $50 for purchase of rain barrels.  In order to qualify for the rebate rain barrels must:

• Be new finished barrels sold solely for the purpose of collecting rain water,

• Be covered or screened to restrict access,

• Have a uv-resistant coating or covering to restrict algae growth.  

The program is open to single-family residential water customers.  Up to 2 barrels may be rebated per residence. 

Here's how it works . . .

Step 1:  Purchase a new finished rain barrel sold soley for the purpose of collecting rain water. Barrels must be screened or covered to restrict accesibility, and must be ultraviolet-resistant to prevent algae growth.

Step 2: Return the completed application along with your receipt for the purchase of the rain barrel within 30 days of purchase date.

Step 3: The City of San Marcos may call to schedule an inspection to confirm installation.

Stef 4:  After inspection, you will receive your rebate check by mail.

Rain Barrel Rebate Application & Guidelines 

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Informative Rainwater Harvesting Links:

Texas Water Development Board

AgriLIFE Extension: Texas A&M

Harvest H20