1. Except as otherwise provided in subsection 3, a governing body shall develop and maintain a water resource plan that must include, without limitation:

(a) The identification of all known sources of surface water, groundwater and effluent that are physically and legally available for use in the community;

(b) An analysis of the:

(1) Existing demand for water in the community; and

(2) Expected demand for water in the community caused by projected growth; and

(c) An analysis of whether the sources of water identified in paragraph (a) are of sufficient quality and quantity to satisfy the existing and expected demands described in paragraph (b).

(d) If the analysis required pursuant to paragraph (c) determines that the sources of water identified in paragraph (a) are not of sufficient quality or quantity to satisfy demands, a plan for obtaining additional water of sufficient quality and quantity.

2. The governing body shall update the water resource plan at least once every 10 years.

3. The governing body of:

(a) A city is not required to develop and maintain the water resource plan described in subsection 1 if the governing body of the county in which the city is located has adopted a water resource plan that includes the information described in subsection 1 pertaining to the city.

(b) A city or a county is not required to develop and maintain the water resource plan described in subsection 1 if:

(1) The city or county, as applicable, is included within a regional planning district; and

(2) The regional plan adopted by the regional planning commission of the district has included the information described in subsection 1 pertaining to the city or county, as applicable.

(c) A city or county is not required to develop and maintain the water resource plan described in subsection 1 if:

(1) The city or county, as applicable, is located in an area served by a water district created by a special act or a water authority organized as a public agency or entity created by cooperative agreement pursuant to chapter 277 of NRS; and

(2) The water district or water authority, as applicable, has developed and maintained a water resource plan that includes the information described in subsection 1 pertaining to the city or county, as applicable.

(Added to NRS by 2019, 1294)