Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4725 - WELLS AND BORINGS
WATER-SUPPLY WELLS
Part 4725.5350 - PRESSURE TANKS FOR WATER-SUPPLY WELLS
Universal Citation: MN Rules 4725.5350
Current through Register Vol. 49, No. 13, September 23, 2024
Subpart 1. Venting.
A pressure relief or air release valve on a pressure tank that contains subterranean gas and is located in a building must be vented to the outside.
Subp. 2. Buried tanks.
A buried or partially buried pressure tank installed on a water-supply well must:
A. be
identified with the manufacturer's name, a serial number, the allowable working
pressure, and the year fabricated;
B. have an interior coating that complies
with ANSI/NSF Standard 61-2003e if the tank has an interior coating in contact
with water;
C. have a minimum
one-fourth inch wall thickness for a steel pitless adapter tank attached
directly to the well casing;
D.
have all connections to the pressure tank welded or threaded; and
E. be installed above the water
table.
Statutory Authority: MS s 103I.101; 103I.111; 103I.205; 103I.221; 103I.301; 103I.401; 103I.451; 103I.501; 103I.525; 103I.531; 103I.535; 103I.541; 103I.621; 144.05; 144.12; 144.383; 157.04; 157.08; 157.09; 157.13
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