Nevada Administrative Code
Chapter 445A - Water Controls
MINING FACILITIES
Operation and Design of Facilities
Section 445A.446 - Permanent closure of facility

Universal Citation: NV Admin Code 445A.446

Current through September 16, 2024

1. The permanent closure of a facility or a source at a facility, as applicable, must be initiated:

(a) Following the request of the holder of the permit;

(b) For a facility which is under a temporary closure, no later than at the end of one renewal of a 5-year permit which has been issued pursuant to subsection 2 of NAC 445A.420;

(c) When the end of the design life of that process component is reached ; or

(d) For an underground mine, and any source therein, which has the potential to degrade the waters of the State, before the elimination of safe access to the mine.

2. Permanent closure is complete when the requirements contained in NAC 445A.429, 445A.430 and 445A.431, as applicable, have been achieved and all other sources at the facility have been stabilized, removed or mitigated.

3. The time required for post-closure monitoring depends upon the particular site and process characteristics, but , except as otherwise provided in subsection 4, the time required must not exceed 30 years.

4. If the Department determines that chemical stabilization, source removal or mitigation has not been achieved during the post-closure monitoring period, the Department shall require the holder of the permit to take additional actions to achieve the necessary chemical stabilization, source removal or mitigation. After such actions have been taken, the Department shall require an additional period of time for post-closure monitoring. The time required for this additional period of post-closure monitoring must not exceed 30 years.

Added to NAC by Environmental Comm'n, eff. 9-1-89-Substituted in revision for NAC 445.24386; A by R046-18A, eff. 8/21/2018; A by R046-18AP, eff. 8/30/2018

NRS 445A.425, 445A.465

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