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4720.0025 UNSAFE WATER CONNECTIONS.

There shall be no physical connection between any public water supply system intended for potable or domestic use and any system, equipment, or device that may serve as a source of contamination, unless protected by a properly maintained backflow preventer approved by the commissioner. Backflow prevention for fire sprinkler systems must comply with American Water Works Association Standard M14, section 6.3, as referenced in part 4715.2110.

Statutory Authority:

MS s 144.383

History:

18 SR 1960

Published Electronically:

October 27, 2003

700 State Office Building, 100 Rev. Dr. Martin Luther King Jr. Blvd., St. Paul, MN 55155 ♦ Phone: (651) 296-2868 ♦ TTY: 1-800-627-3529 ♦ Fax: (651) 296-0569