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Biological Opinions - Bureau of Reclamation

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11. Headgates and Water Measuring Devices<br />

a. Project Description<br />

Measuring devices are typically installed with the head gate to allow water users to determine the<br />

volume <strong>of</strong> water diverted. Headgate installation projects must clearly demonstrate habitat<br />

restoration benefits.<br />

b. Minimization Measures<br />

The application must include instream and ditch/pump hydraulic calculations showing<br />

there is sufficient head to divert maximum diversion flow and bypass flow at minimum<br />

stream flow considering head losses at flow measurement devices, fish screens, pipes,<br />

open ditches, and headgates.<br />

Measuring devices must be approved by DWR for watersheds with DWR water master<br />

service. Otherwise, measuring devices must conform to the 2001 <strong>Bureau</strong> <strong>of</strong> <strong>Reclamation</strong><br />

Water Measurement Manual (<strong>Reclamation</strong> 2001).<br />

Design drawings must show structural dimensions in plan, elevation, longitudinal pr<strong>of</strong>ile,<br />

and cross-sectional views along with important component details.<br />

All flows will be diverted around work areas as described in Section II B. Requirements<br />

for Fish Relocation and Dewatering Activities.<br />

Fish removal may be required at project sites and BMPs are described in Section II B.<br />

Requirements for Fish Relocation and Dewatering Activities.<br />

Riparian disturbance will be minimized as described in Section II E. Measures to<br />

Minimize Loss or Disturbance <strong>of</strong> Riparian Vegetation.<br />

D. Sideboards, Minimization Measures, and other Requirements<br />

A key component <strong>of</strong> the Program involves the use <strong>of</strong> sideboards that establish a minimum<br />

distance between instream projects and limit the number <strong>of</strong> instream projects annually within a<br />

watershed; relative to the size <strong>of</strong> the watershed. These sideboards also establish specific,<br />

measureable project metrics that assist with the analysis <strong>of</strong> effects. Additionally, the<br />

<strong>Reclamation</strong> has established additional requirements and minimization measures that must be<br />

implemented for projects included in the Program. The following are the sideboards,<br />

minimization measures, and other requirements proposed by <strong>Reclamation</strong> for proposed<br />

restoration projects:<br />

1. Sideboards for all Water Conservation Projects<br />

a. Compliance with Water Rights<br />

All water conservation projects in the Program will require diverters to verify compliance with<br />

water rights — as conditioned by a small domestic use or livestock stockpond registration,<br />

appropriative water right, or a statement <strong>of</strong> riparian water use registered with the State Water<br />

Resources Control Board and reviewed for compliance with California Fish and Game Code<br />

(which may require a Lake or Streambed Alteration Agreement and possibly, a California<br />

Environmental Quality Act (CEQA) analysis) by <strong>Reclamation</strong> or the applicant.<br />

523

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