Redding Area – Bowman Subbasin
Statistics
- Basin Name
- Redding Area – Bowman Subbasin
- Basin Number
- 5-006.01
- SGMA Basin Priority
- Very Low
- Critically Overdrafted
- No
- Hydrologic Region Name
- Sacramento River
- Counties
- Tehama
Basin Notes
2003: Bulletin 118 2003 Basin Description
2018: Basin priority dropped from Medium to Low.
2019: Basin boundary modification. Per DWR: It “removes the shared boundary between Bowman and Rosewood subbasins and consolidates them into a single subbasin. The requesting agency is the exclusive Groundwater Sustainability Agency in both subbasins.”
2022: January 31 – GSP submitted to DWR
2025: February 27 – GSP approved by DWR
At-A-Glance

California Water Library Documents About This Basin
Thousands of domestic and public supply wells face failure despite groundwater sustainability reform in California’s Central Valley
Nature Portfolio (Springer Nature) | September 8th, 2023
Status and Understanding of Groundwater Quality in the Redding–Red Bluff Shallow Aquifer Study Unit, 2019: California GAMA Priority Basin Project
U.S. Geological Survey (USGS) | February 9th, 2023
Groundwater quality in the north Sacramento Valley (NSV) was studied in the Redding–Red Bluff shallow aquifer study unit (referred to as the NSV shallow aquifer or NSV-
Groundwater Sustainability Plan Bowman Subbasin
Tehama County Flood Control and Water Conservation District | January 31st, 2022
The Bowman Subbasin, which is entirely located within Tehama County, is comprised of approximately 122,500 acres, and relies on an average of approximately 5,200 acre-fe
Groundwater quality in the Redding–Red Bluff shallow aquifer study unit of the northern Sacramento Valley, California
U.S. Geological Survey (USGS) | April 23rd, 2020
This study was designed to provide a statistically representative assessment of the quality of groundwater resources used for domestic drinking water in the Redding–
Domestic well vulnerability to drought duration and unsustainable groundwater management in California's Central Valley
Environmental Research Letters (IOP) | March 18th, 2020
Millions of Californians access drinking water via domestic wells, which are vulnerable to drought and unsustainable groundwater management. Groundwater overdraft and th
Anderson-Cottonwood Irrigation District Integrated Regional Water Management Program – Groundwater Production Element Project
U.S. Bureau of Reclamation (USBR) | August 15th, 2011
This project would improve the flexibility and reliability of the District’s water supply, particularly during dry and critically dry water years. In 2004, ACID’s sur
Ground Water in the Redding Basin, Shasta and Tehama Counties, California
U.S. Geological Survey (USGS) | December 31st, 1983
The Redding Basin covers about 510 square miles in the northern part of the Central Valley of California and is surrounded by the Cascade Range, Klamath Mountains,and Coa