Lahontan Water Board Supplemental Environmental Policy


The Lahontan Water Board adopted a resolution for a region-specific policy for identifying, approving, and implementing supplemental environmental projects (SEPs) when they are included as a part of administrative civil liability settlements. The Lahontan Water Board SEP Policy supports establishing partnerships with independent third parties (partner organizations) to identify projects that may qualify for SEPs, manage SEP escrow accounts, and implement SEPs consistent with Water Board’s expressed priorities. The policy includes criteria for identifying appropriate independent third parties and processes for developing partnership agreements. The policy also establishes criteria for evaluating and identifying projects as potential SEPs.

The Resolution directs Water Board staff to delay full implementation of the Lahontan Water Board SEP Policy until a pilot project with the Truckee River Watershed Council is completed. The pilot project has been completed and therefore staff has begun implementation of the SEP program.

You may view and download the Resolution, the Lahontan Water Board SEP Policy, and other documents related to this proceeding by clicking on the appropriate links below.

Lahontan Water Board has approved four Memorandums of Understanding to date which can be viewed at the links for Partner Organizations on the main Enforcement page. MOU's have been approved for the Mojave Integrated Regional Water Management Plan (IRWMP), Implementation Team, with partner organizations City of Victorville, Helendale Community Service District, Mojave Resource Conservation District and Mojave Water Agency; Transition Habitat Conservancy a resource conservation organization; Tahoe-Sierra IRWMP; and Truckee River Watershed Council.

If you have any questions about the current SEP Program please contact Jeff Brooks by phone at: (530) 542-5420 or by email at:

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