Nevada Administrative Code
Chapter 445A - Water Controls
PUBLIC WATER SYSTEMS
Design, Construction, Operation and Maintenance
Section 445A.6689 - Water wells: Casing
Universal Citation: NV Admin Code 445A.6689
Current through September 16, 2024
1. Except as otherwise provided in subsection 2, a water well must be cased to the bottom of the drill hole and constructed in such a manner as to prevent any pollution or contamination of the groundwater.
2. If no additional water is developed in the bottom portion of a water well, neat cement, cement grout or concrete grout may be placed by tremie pipe from the total depth to the bottom of the casing.
3. The casing must:
(a) Be composed of:
(1) A quality of steel that complies with
American Water Works Association Standard A100; or
(2) Where authorized by the Division of Water
Resources of the State Department of Conservation and Natural Resources, a
quality of PVC that complies with American Water Works Association
Standard A100.
(b) Be free of pits and breaks.
(c) Conform to the following minimum
specifications, allowing for mill tolerance:
(1) If the conductor casing is 50 feet or
less in depth, the wall of the casing must be at least 0.141 or 9/64 of an inch
thick.
(2) Except as otherwise
provided in subparagraph (3), if the depth of the conductor casing exceeds 50
feet, and for all production or intermediate casing, the wall of the casing
must comply with the following requirements:
(I) If the nominal size of the casing is
smaller than 10 inches, the wall must be at least 0.188 or 3/16 of an inch
thick.
(II) If the nominal size of
the casing is 10, 12, 14 or 16 inches, the wall must be at least 0.250 or 1/4
of an inch thick.
(III) If the
nominal size of the casing is 18 or 20 inches, the wall must be at least 0.312
or 5/16 of an inch thick.
(IV) If
the nominal size of the casing is larger than 20 inches, the wall must be at
least 0.375 or 3/8 of an inch thick.
(3) If the depth of the well exceeds 300
feet, the thickness of the wall of the casing must be increased in accordance
with American Water Works Association Standard A100.
Added to NAC by Bd. of Health, eff. 2-20-97
NRS 445A.860
Disclaimer: These regulations may not be the most recent version. Nevada 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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