South Dakota Administrative Rules
Title 12 - Department of Agriculture
Article 12:56 - Pesticides
Chapter 12:56:17 - Operational area containment
Section 12:56:17:10 - Connections to potable water supply

Universal Citation: SD Admin Rules 12:56:17:10

Current through Register Vol. 51, page 43, September 23, 2024

All pesticide operational areas shall implement procedures to prevent backflow incidents from contaminating potable water supplies. Potable water supply lines may not be connected to process water lines, chemical lines, or equipment unless backflow prevention is installed. Backflow prevention shall consist of one of the following:

(1) A reduced-pressure principle device which meets the American Water Works Association Standard C511-89 (September 1, 1990) for backflow prevention devices; or

(2) Air gap separation. Air gap is a physical separation between the free flowing discharge end of a water pipeline and an open or nonpressurized receiving vessel. To have an acceptable air gap, the end of the discharge pipe must be located a distance of at least twice the diameter of the pipe above the topmost rim of the receiving vessel.

General Authority: SDCL 38-21-15, 38-21-15.1, 38-21-51.

Law Implemented: SDCL 38-21-15.

AWWA Standard for "Reduced-Pressure Principle Backflow-Prevention Assembly," American Water Works Association, effective September 1, 1990. Copies may be obtained from the American Water Works Association, 6666 West Quincy Avenue, Denver, Colorado 80235; $12 per copy plus $2.95 shipping and handling.

Disclaimer: These regulations may not be the most recent version. South Dakota may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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