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Annual Testing of Backflow Prevention Assemblies
Backflow Prevention Devices
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FAQ
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SAWS Cross-Connection Control and Backflow Prevention Program
The goals of SAWS Cross-Connection Control Backflow Prevention Program are to safeguard public drinking water and protect the health of our customers by maintaining a high level of backflow prevention and cross-connection control.
History of Backflow
Prevention |
Congress enacted the Safe Drinking Water Act (SDWA) in 1974 to protect human health from contaminants in drinking water and to prevent contamination of existing groundwater supplies. The law was amended in 1986 and 1996, advocating more safety standards to ensure the quality of our drinking water and its sources including rivers, lakes, reservoirs, springs, and groundwater wells.
One requirement of the Safe Drinking Water Act includes the installation and maintenance of an approved backflow prevention assembly at a water service connection that may present a potential for contamination. Without proper
protection devices, cross connections to the public water system can occur.
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To protect the water system, backflow prevention assemblies (devices that prevent the backflow of water) are required for all connections that may present a potential source of contamination of the public water system. There are two kinds of assemblies installed:
- Assemblies that are used to protect the public water system from possible contamination resulting from the customer's premises.
- Assemblies that are used to protect the customers from potentially hazardous cross connections within their own drinking water system.
Backflow Prevention Assemblies used to protect the public water system
To keep the drinking water safe, SAWS reviews and stamps the utility plans of each new customer for compliance with cross-connection control/backflow prevention requirements. SAWS inspects the installation, repair or replacement of external backflow prevention assemblies,
and monitors and enforces the annual testing requirements for those assemblies.
Backflow Prevention Assemblies used to protect the customer's drinking water system
SAWS will monitor and enforce the annual testing requirements for internal backflow prevention assemblies. A fee will be assessed for filing the annual reports concerning the inspection of internal backflow prevention assemblies:
Filing Fees for Internal Backflow Prevention Assemblies |
Assemblies
per Address* |
Fees
per Address |
| 1 |
$5 |
| 2 |
$10 |
| 3 |
$15 |
| 4 |
$20 |
| 5 |
$25 |
| 6 to 10 |
$30 |
| 11 to 20 |
$35 |
| 21 to 30 |
$40 |
| 31 to 40 |
$45 |
| > 40 |
$50 to $75 |
| *Assemblies cannot be combined from different addresses to form groups, in order to receive a group rate. |
Permitting and inspection for internal backflow assemblies, including new installations, repairs and replacements, are administered through the City of San Antonio Development Services Department, 1901 S. Alamo, 210-207-1111.
For questions or concerns regarding Backflow Prevention please contact Bruce Rathburn at 210-233-3501 or brathburn@saws.org, or contact:
SAWS Backflow Prevention Section
2800 U.S.Hwy 281 North
Customer Service Center, Tower II
San Antonio, Texas 78212
Office 210-233-3332 Fax 210-233-4749
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