# Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Russian River Estuary Management Activities
> **Rule** · Final rule; notification of issuance of Letter of Authorization. · Published 2022-04-19 · Effective 2022-04-21 · 87 FR 23111
## Document
- **Document number:** 2022-08346
- **Category:** other
- **Federal Register citation:** 87 FR 23111
- **Publication date:** 2022-04-19
- **Effective date:** 2022-04-21
- **NOAA docket:** Docket No. 220413-0096
## Abstract

NMFS, upon request from the Sonoma County Water Agency (SCWA), hereby issues regulations to govern the unintentional taking of marine mammals incidental to Russian River estuary management activities in Sonoma County, California, over the course of five years (2022-2027). These regulations, which allow for the issuance of Letters of Authorization (LOA) for the incidental take of marine mammals during the described activities and specified timeframes, prescribe the permissible methods of taking and other means of effecting the least practicable adverse impact on marine mammal species or stocks and their habitat, as well as requirements pertaining to the monitoring and reporting of such taking.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/04/19/2022-08346/taking-and-importing-marine-mammals-taking-marine-mammals-incidental-to-russian-river-estuary)
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