Napa-Sonoma Valley – Lowlands

Statistics

Basin Notes

2003: Bulletin 118 basin description

2018: draft priority changed from very low to medium, requiring SGMA compliance.

2019: Basin boundary modification approved. Per DWR: It “revises and aligns the shared boundary between Sonoma Valley and Sonoma Lowlands to follow the shared Sonoma and Napa County line.”

Phase 2 final priority: Very Low.

At-A-Glance

Source: CA DWR

California Water Library Documents About This Basin

Continuous water-quality and suspended-sediment transport monitoring in the San Francisco Bay, California, water years 2016–17

U.S. Geological Survey (USGS) | April 28th, 2020

The U.S. Geological Survey (USGS) monitors water quality and suspended-sediment transport in the San Francisco Bay (Bay) as part of a multi-agency effort to add

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Napa County Comprehensive Groundwater Monitoring Program 2016 Annual Report and GASGEM Update

Napa County | March 15th, 2017

A Napa County Groundwater Monitoring Plan 2013 (Plan) was prepared to formalize and augment groundwater monitoring efforts conducted as part of a Comprehensive Groundwate

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New streams and springs after the 2014 Mw6.0 South Napa earthquake

Nature Portfolio (Springer Nature) | July 9th, 2015

Many streams and springs, which were dry or nearly dry before the 2014 Mw6.0 South Napa earthquake, started to flow after the earthquake. A United States Geologic

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Conceptual Model Review of Napa Valley Groundwater Model

Napa County | November 15th, 2010

The purpose of this technical memorandum is to provide a general review of the Napa Valley Groundwater model (groundwater model) produced by DHI Water & Environment (

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Geohydrological Characterization, Water-Chemistry, and Ground-Water Flow Simulation Model of the Sonoma Valley Area, Sonoma County, California

U.S. Geological Survey (USGS) | December 14th, 2006

Sonoma County is in the northern part of the greater San Francisco Bay region, an area of Northern California that has experienced rapid population growth and accelerated

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Napa County Baseline Data Report, Chapter 16, Groundwater Hydrology

Napa County | November 30th, 2005

This chapter summarizes the basic groundwater hydrology of Napa County and documents the construction of a local integrated groundwater model. The groundwater hydrology a

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Bulletin 118: California's Groundwater (1980)

California Department of Water Resources (DWR) | January 1st, 1980

Ground water management is a major issue in California.  The Governor's Commission to Review California Water Rights Law, in its December 1978 report, recommends a new g

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GSA Information

Not Subject to SGMA No items found

Models

No items found