1. The provisions of this chapter do not apply to:
(a) The use of water in emergency situations to extinguish fires by a public agency or a volunteer fire department; or
(b) The de minimus collection of precipitation:
(1) From the rooftop of a single-family dwelling for nonpotable domestic use; or
(2) If the collection does not conflict with any existing water rights as determined by the State Engineer, in a guzzler to provide water for use by wildlife. The guzzler must:
(I) Have a capacity of 40,000 gallons or less;
(II) Have a capture area of 1 acre or less;
(III) Have a pipe length of 1/2 mile or less;
(IV) Be developed by a state or federal agency responsible for wildlife management or by any other person in consultation with the Department of Wildlife; and
(V) Be approved for use by the Department of Wildlife.
2. As used in this section:
(a) “Domestic use” has the meaning ascribed to it in NRS 534.013.
(b) “Guzzler” has the meaning ascribed to it in NRS 501.121.
(c) “Public agency” means an agency, bureau, board, commission, department or division of this State or a political subdivision of this State.