Nevada Administrative Code
Chapter 445A - Water Controls
Section 445A.Sec. 10 - NEW
Universal Citation: NV Admin Code 445A.Sec. 10
Current through September 16, 2024
For the purposes of sections 3 to 19, inclusive:
1. A tier 1 level of antidegradation protection:
(a) Applies when:
(1) The baseline water quality or interim
baseline value of a surface water or segment thereof on a
parameter-by-parameter basis is determined by the Department to not be better
than the applicable water quality standard set forth in NAC
445A.11704 to
445A.2234, inclusive, for that
surface water or segment thereof; or
(2) The surface water or segment thereof is
an effluent-dominated water; and
(b) Is subject to the provisions of section
11.
2. A tier 2 level of antidegradation protection:
(a) Applies when:
(1) The baseline water quality or interim
baseline value of a surface water or segment thereof on a
parameter-by-parameter basis is determined by the Department to be better than
the applicable water quality standard set forth in NAC
445A.11704 to
445A.2234, inclusive, for that
surface water or segment thereof; or
(2) A requirement to maintain existing higher
water quality has been established by the Commission; and
(b) Is subject to the provisions of section
12.
3. A tier 2.5 level of antidegradation protection:
(a) Applies when the surface water
or segment thereof has been designated by the Commission, pursuant to section
2, as having a beneficial use of "extraordinary ecological, aesthetic or
recreational value" and as having a tier
2.5 level of antidegradation
protection; and
(b) Is subject to
the provisions of section 13.
4. A tier 3 level of antidegradation protection:
(a) Applies when the surface water
or segment thereof has been designated by the Commission, pursuant to section
2, as having a beneficial use of "extraordinary ecological, aesthetic or
recreational value" and as having a tier 3 level of antidegradation protection;
and
(b) Is subject to the
provisions of section 14.
Added to NAC by Environmental Comm'n by R113-22A, eff. 4/19/2024
NRS 445A.425, 445A.465
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