Salt and Nutrient Management Plans (SNMP)
Overview
The 2018 Recycled Water Policy Amendment includes requirements for Regional Water Boards to evaluate the basins/subbasins in their regions and identify groundwater basins/subbasins where SNMPs have not yet been developed but are needed to achieve water quality objectives for salts and nutrients in the long-term and to periodically evaluate data from SNMPs to determine whether updates to the SNMPs are warranted.
Factors that Regional Water Boards must consider in the basin evaluation process include magnitude of and trends in the concentrations of salts and nutrients in groundwater, contribution of imported water and recycled water to a basin’s water supply, reliance on groundwater to supply a basin or subbasin, population, number and density of on-site wastewater treatment systems (OWTS), other sources of salts and nutrients, including irrigated agriculture and confined animal facilities, and hydrogeologic factors such as regional aquitards, depth to water, and other basin- or subbasin-specific factors.
Lahontan Water Board staff are available to provide guidance during the stakeholder-led development of these plans.
A list of plans accepted by the Lahontan Water Board is provided below.
SNMPs Accepted by the Lahontan Water Board
Contact Us
Anna Garcia
Senior Engineering Geologist (Specialist)
(760) 243-4261
Anna.Garcia@waterboards.ca.gov
