Groundwater Sustainability Plan
5-021.52 COLUSA
Base Information
- 04/22/2024 Resubmission
- 01/28/2022
- 04/24/2024 Resubmission
- 02/07/2022
- 06/24/2024 Resubmission
- 04/23/2022
Lisa Hunter (County of Glenn)
225 North Tehama Street
530-934-6540
lhunter@countyofglenn.net
225 North Tehama Street
530-934-6540
lhunter@countyofglenn.net
Notice Date: 08/27/2021
GGA_Planned_GSP_Adoption_Notices.pdf (359.7kB)
The Colusa Groundwater Authority (CGA) provided a letter on 8/26/2021 to cities and counties in the plan area as notice pursuant to Water Code section 10728.4 of the CGA's intent to adopt a GSP for the Colusa Subbasin.
The Glenn Groundwater Authority (GGA) provided a letter on 8/27/2021 to cities and counties in the plan area as notice pursuant to Water Code section 10728.4 of the GGA's intent to adopt a GSP for the Colusa Subbasin.
CGA_Planned_GSP_Adoption_Notices_Compiled_compressed.pdf (477.2kB)
GGA_Planned_GSP_Adoption_Notices.pdf (359.7kB)
Public Hearing Date: 12/14/2021
GGA_Notice_GSP_Public_Hearing_Proof_of_Publication.pdf (90.5kB)
The Colusa Groundwater Authority (CGA) held a public hearing and adopted the Colusa Subbasin GSP on 12/13/2021.
The Glenn Groundwater Authority (GGA) held a public hearing and adopted the Colusa Subbasin GSP on 12/14/2021.
CGA_Notice_GSP_Adoption_CCPR_2021-5230.pdf (75.7kB)GGA_Notice_GSP_Public_Hearing_Proof_of_Publication.pdf (90.5kB)
Incomplete GSP Resubmission Notices
Notice Date: 01/11/2024
Both the Colusa Groundwater Authority (CGA) GSA and Glenn Groundwater Authority (GGA) GSA shared a "Notice of Intent to Adopt an Amended Groundwater Sustainability Plan for Colusa Subbasin" with counties and cities in January 2024. The CGA GSA notices were provided on 01/11/2024, and the GGA GSA notices were provided on 01/09/2024.
Public Hearing Date: 04/19/2024
The CGA GSA and GGA GSA held a joint public hearing on 04/19/2024, at which they each adopted the Revised GSP.
Groundwater Sustainability Plan (430.8MB)
Elements of the Plan
| File Name | GSP Regulation Element(s) | Uploaded Date & Time |
|---|
| Title | Publication Name | Publish Date | Author(s) | File Name or URL |
|---|---|---|---|---|
| Draft Volume 1 of the Yolo County Integrated Regional Water Management Plan new | 2004-08-01 | Water Resources Association of Yolo County | ||
| Northern Sacramento Valley Integrated Regional Water Management Plan new | 2014-03-01 | West Yost & Associates | ||
| Potassium-argon Ages and the Cenozoic Mammalian Chronology of North America new | American Journal of Science, Volume 262, pp.145-198 | 1964-02-01 | Evernden, J.F., D.E. Savage, G.H. Curtis, G.T. James | |
| Tehama-Colusa Canal Authority new | 2009-01-01 | Tehama-Colusa Canal Authority | ||
| The National Map new | 2018-01-01 | U. S. Geological Survey | ||
| On-land Mesozoic Oceanic Crust in California Coast Ranges | U.S. Geological Survey | 1970-01-01 | Bailey, E.H., Blake, M.C., and Jones, D.L. | |
| Streamflow depletion by wells Understanding and managing the effects of groundwater pumping on streamflow | U.S. Geological Survey | 2012-01-01 | Barlow, P.M., and Leake, S.A. | |
| Regional Water Demand and Conservation Projections | Bay Area Water Supply and Conservation Agency | 2020-06-26 | Bay Area Water Supply and Conservation Agency | |
| Estimated Permeabilities for Soils in the Sacramento Valley, California | U.S. Geological Survey | 1974-05-01 | Bertoldi, G.L. | |
| Ground Water in the Central Valley, California A Summary Report, Regional Aquifer System Analysis | U.S. Geological Survey | 1991-01-01 | Bertoldi, G.L., R.H. Johnston, and K.D. Evenson. | |
| Petrology and provenance of the Stony Creek Formation, northwestern Sacramento Valley, California | Chevron U.S.A. Exploration Department. | 1983-01-01 | Bertucci, P.F. | |
| Using Down-Well Television Surveys to Evaluate Land Subsidence Damage to Water Wells in the Sacramento Valley | Land Subsidence. Case Studies and Current Research, Proceedings of the Dr. Joseph F. Poland Symposium on Land Subsidence. J.W. Borchers, ed. Star Publishing Company | 1998-04-01 | Borchers, J.W | |
| Northern Sacramento Valley Sand Provenance Study Final Memorandum Report | Appendix B, in DWR, 2014. "Geology of the Northern Sacramento Valley, California" | 2007-10-12 | Brown and Caldwell | |
| Tuscan Aquifer Investigation: Lower Tuscan Aquifer Monitoring, Recharge, and Data Management Project | 2013-05-21 | Brown and Caldwell | ||
| Late Cenozoic Stratigraphy of the Feather and Yuba Rivers Area, California, with a Section on Soil Development in Mixed Alluvium Honcut Creek. | U.S. Geological Survey | 1989-01-01 | Busacca, A.J., Singer, M.J., and Verosub, K.L | |
| Data Measurements from stations Black Butte Lake (BLB), Sacramento River at Ord Ferry-Main Channel (ORD), and Sacramento River below Wilkins Slough (WLK) | 2020-01-01 | California Data Exchange Center | ||
| Geologic Map of the Sacramento Quadrangle | California Geological Survey | 1981-01-01 | D.L. Wagner, C.W. Jennings, T.L. Bedrossian and E.J. Bortugno | |
| Geologic Map of the Santa Rosa Quadrangle | California Geological Survey | 1982-01-01 | D.L. Wagner and E.J. Bortugno | |
| 2015 Urban Water Management Plan Willows District | 2016-06-01 | California Water Service | ||
| Butte Basin Groundwater Model Update Phase II Report | 2008-03-01 | CDM | ||
| Review of the Groundwater Trend Monitoring Workplan and Data Gap Assessment Plan for the California Rice Commission | 2016-06-07 | Central Valley Regional Water Quality Control Board | ||
| Rice-Specific Groundwater Assessment Report | 2013-07-01 | CH2MHILL & PlanTierra | ||
| Groundwater Quality Assessment Report. Prepared for Central Valley Regional Water Quality Control Board on behalf of Northern California Water Association and Sacramento Valley Water Coalition | 2016-01-01 | CH2MHILL | ||
| Groundwater Trend Monitoring Workplan and Data Gap Assessment Plan. Prepared for Central Valley Regional Water Quality Control Board on behalf of California Rice Commission | 2016-03-01 | CH2MHILL | ||
| Accuracy of Annual Volume from Current-Meter-Based Stage Discharges | Journal of Hydrologic Engineering | 2006-09-01 | Clemmens, A.J. and B.T. Wahlin | |
| Comprehensive General Plan Update | 2012-07-31 | Colusa County | ||
| 2005-2025 General Plan Update | 2007-10-30 | City of Colusa | ||
| Colusa General Plan Final Master Environmental Impact Report. Prepared by Pacific Municipal Consultants | 2007-10-30 | City of Colusa | ||
| Dunnigan Water District Groundwater Management Plan | Davids Engineering, Inc. | 2001-02-01 | Davids Engineering, Inc. | |
| Glenn County Preliminary Water Budget Development. Prepared in cooperation with West Yost Associates for Glenn County | 2018-05-01 | Davids Engineering, Inc. | ||
| Colusa County General Plan | 2012-07-31 | DeNovo Planning Group | ||
| MCLs, DLRs, and PHGs for Regulated Drinking Water Contaminants: California Department of Public Health (DPH) | 2020-08-01 | Department of Public Health | ||
| EnviroStor: California Department of Toxic Substances Control | 2020-01-01 | Department of Toxic Substances Control (DTSC) | ||
| Evaluation of Groundwater Resources. Sacramento Valley, Bulletin 118-6. Prepared in cooperation with the U.S. Geological Survey | 1978-08-01 | Department of Water Resources (DWR) | ||
| Land Use Survey, Glenn and Colusa Counties | 2003-01-01 | Department of Water Resources (DWR) | ||
| California Groundwater Bulletin 118: Sacramento Valley Groundwater Basin, West Butte Subbasin | 2004-02-01 | Department of Water Resources (DWR) | ||
| California Groundwater Bulletin 118: Sacramento Valley Groundwater Basin, Colusa Subbasin | 2006-01-01 | Department of Water Resources (DWR) | ||
| California Groundwater Bulletin 118: Sacramento Valley Groundwater Basin, Corning Subbasin | 2006-01-01 | Department of Water Resources (DWR) | ||
| California Water Plan Update 2009 Sacramento River Integrated Water Management. Bulletin 160-09, Volume 3 | 2009-01-01 | Department of Water Resources (DWR) | ||
| Glenn-Colusa Irrigation District Test-Production Well Installation and Aquifer Testing. Prepared by the California Department of Water Resources Northern District Groundwater Section in cooperation with Glenn-Colusa Irrigation District | 2009-03-01 | Department of Water Resources (DWR) | ||
| Geology of the Northern Sacramento Valley. Prepared by the California Department of Water Resources Northern Region Office, Groundwater and Geologic Investigations | 2014-09-22 | Department of Water Resources (DWR) | ||
| Land and Water Use Survey for 2003 and 2014 | California Department of Water Resources | 2014-01-01 | Department of Water Resources (DWR) | |
| Summary of Recent, Historical, and Estimated Potential for Future Land Subsidence in California. | California Department of Water Resources | 2014-01-01 | Department of Water Resources (DWR) | |
| Best Management Practices for the Sustainability Management of Groundwater: Hydrogeologic Conceptual Model | California Department of Water Resources | 2016-12-01 | Department of Water Resources (DWR) | |
| Best Management Practices for the Sustainability Management of Groundwater. Monitoring Networks and Identification of Data Gaps | California Department of Water Resources | 2016-12-23 | Department of Water Resources (DWR) | |
| Best Management Practices for the Sustainability Management of Groundwater: Monitoring Protocols, Standards, and Sites | California Department of Water Resources | 2016-12-23 | Department of Water Resources (DWR) | |
| California Groundwater Bulletin 118: Interm Update 2016 | California Department of Water Resources | 2016-12-23 | Department of Water Resources (DWR) | |
| Draft Sustainable Management Criteria Best Management Practices | 2017-11-01 | Department of Water Resources (DWR) | ||
| 2017 GPS Survey of the Sacramento Valley Subsidence Network | California Department of Water Resources, Division of Integrated Regional Water Management, Northern Office | 2018-12-01 | Department of Water Resources (DWR) | |
| Summary of the "Natural Communities Commonly Associated with Groundwater" Dataset and Online Web Viewer | California Department of Water Resources and The Nature Conservancy | 2018-01-01 | Department of Water Resources (DWR) | |
| Bulletin 118 Basin Boundary GIS Data, v.6.1 | 2019-01-01 | Department of Water Resources (DWR) | ||
| Sustainable Groundwater Management Act 2019 Basin Prioritization, Process and Results | California Department of Water Resources | 2020-05-01 | Department of Water Resources (DWR) | |
| Water Data Library | California Department of Water Resources | 2020-01-01 | Department of Water Resources (DWR) | |
| Online System for Well Completion Reports (OSWCR) Map Application | California Department of Water Resources and California Open Data Portal | 2021-01-01 | Department of Water Resources (DWR) | |
| SGMA Data Viewer | 2021-01-01 | Department of Water Resources (DWR) | ||
| Small Water Systems and Rural Communities Drought and Water Shortage Contingency Planning and Risk Assessment, Report Pursuant to Section 10609.42 of the California Water Code, Part I: Part 1 Recommendations for Drought and Water Shortage Contingency Plans | Water Use Efficiency Branch | 2021-03-01 | Department of Water Resources (DWR) | |
| Small Water Systems and Rural Communities Drought and Water Shortage Contingency Planning and Risk Assessment, Report Pursuant to Section 10609.42 of the California Water Code, Part 2 Drought and Water Shortage Vulnerability Assessment and Risk Scoring | Water Use Efficiency Branch | 2021-03-01 | Department of Water Resources (DWR) | |
| California GAMA Priority Basin Project: Trends in water- quality for inorganic constituents in California public-supply wells (1st ed.) | U.S. Geological Survey | 2019-01-01 | Dupuy, D.I., Nguyen, D.H., and Jurgens, B.C | |
| Addressing Regional Surface Water Depletions in California: A Proposed Approach for Compliance with the Sustainable Groundwater Management Act | 2018-01-01 | Environmental Defense Fund (EDF) | ||
| Chemical Quality of Ground Water in Yolo and Solano Counties, California. | U. S. Geological Survey | 1985-01-01 | Evenson | |
| Potassium-argon Ages and the Cenozoic Mammalian Chronology of North America | American Journal of Science | 1964-01-01 | Evernden, J.F., D.E. Savage, G.H. Curtis, G.T. James | |
| Progress Report: Subsidence in the Central Valley, California. California | California Department of Water Resources and California Institute of Technology under contract with NASA | 2015-01-01 | Farr, T.G., Jones, C., and Liu, Z. | |
| DWR/USBR Sacramento Valley Subsidence Project, Project Report. California | California Department of Water Resources and U.S. Bureau of Reclamation | 2008-09-30 | Frame, J.F. and D'Onofrio, D | |
| Northern Sacramento Valley (Four County) Drinking Water Quality Strategy Document. | Glenn County Department of Agriculture | 2005-06-01 | Glenn County | |
| Groundwater Coordinated Resource Management Plan | 2012-01-01 | Glenn County | ||
| Glenn-Colusa Irrigation District | 2017-01-01 | Glenn-Colusa Irrigation District | ||
| Groundwater Quality Assessment Report Revision. Letter to Central Valley Regional Water Quality Control Board | 2016-01-26 | Guy, D.J. | ||
| Quality Criteria for Water [The Gold Book] | U.S. Environmental Protection Agency | 1986-05-01 | U.S. Environmental Protection Agency (USEPA) | |
| Safe Drinking Water Information System (SDWIS) Federal Reporting Services, Drinking Water Branch, Drinking Water Watch, California Public Water Supply Systems | U.S. Environmental Protection Agency | 2020-01-01 | U.S. Environmental Protection Agency (USEPA) | |
| Sacramento, Delevan, Colusa, and Sutter National Wildlife Refuges. 2009. Final Comprehensive Conservation Plan, and Environmental Assessment, Volume 1 | U.S. Fish and Wildlife Services | 2009-03-01 | U.S. Fish and Wildlife Services (USFWS) | |
| The National Map | U. S. Geological Survey | 2018-01-01 | U.S. Geological Survey (USGS) | |
| National Water Information System | U. S. Geological Survey | 2020-01-01 | U.S. Geological Survey (USGS) | |
| Sustainable Groundwater: Interconnected Surface-Water Depletion. | U. S. Geological Survey | 2021-01-01 | U.S. Geological Survey (USGS) | |
| Gravity Recovery and Climate Experiment | University of Texas, Austin jointly implanted by NASA and DLR under the NASA Earth System Science Pathfinder Program | 2017-10-27 | University of Texas, Austin | |
| Draft Volume 1 of the Yolo County Integrated Regional Water Management Plan | Prepared in cooperation with the California Department of Water Resources | 2004-01-01 | Water Resources Association of Yolo County | |
| Glacially Driven Cycles in Accumulation Space and Sequence Stratigraphy of a Stream Dominated Alluvial Fan, San Joaquin Valley California. USA | Journal of Sedimentary Research | 2002-03-01 | Weissmann, G.S., J.F. Mount, and G.E. Fogg | |
| Arsenic in Ground Water of the Western United States | Groundwater. | 1988-01-01 | Welch, A.H., Lico, M.S., and Hughes, J.L | |
| Monitoring Network Assessment Report. Prepared in cooperation with Davids Engineering for the Counties of Colusa and Glenn | West Yost & Associates | 2018-03-01 | West Yost & Associates (WYA) | |
| Historical Western U.S. Climate Summaries NOAA COOP Stations | Western Regional Climate Center | 2020-01-01 | Western Regional Climate Center (WRCC) | |
| 2010 General Plan Update | 2012-05-01 | Williams, City of | ||
| City of Williams General Plan Update Background Analysis | 2012-05-01 | Williams, City of | ||
| The Sutter Buttes of California: A Study of Plio-Pleistocene Volcanism | 1977-01-01 | Williams, H. and Curtis, G.H. | ||
| Ground-Water Flow in the Central Valley, California, Regional Aquifer System Analysis | U. S. Geological Survey | 1989-01-01 | Williamson, A.K., D.E. Prudic and L.A. Swain | |
| Ground water and surface water A single resource | U. S. Geological Survey | 1998-01-01 | Winter, T.C., Harvey, J.W., Franke, O.L., and Alley, W.M. | |
| Colusa County Groundwater Management Plan | Wood Rodgers | 2008-09-10 | Wood Rodgers | |
| C2VSimFG-Colusa Model Development and Calibration Technical Memorandum: prepared as part of the Groundwater Sustainability Plan for the Colusa Subbasin | Woodard and Curran and Davids Engineering, Inc. | 2021-04-01 | Woodard and Curran and Davids Engineering, Inc. | |
| Northern Sacramento Valley Integrated Regional Water Management Plan | 2014-03-01 | West Yost & Associates (WYA) | ||
| Maximum Contaminant Levels and Regulatory Dates for Drinking Water, U.S. EPA versus California | 2018-10-01 | State Water Resources Control Board | ||
| Caltrans Surveys Manual (various dates) | California Department of Transportation | 2018-07-01 | Caltrans | |
| Late Cenozoic Tectonism of the Sacramento Valley, California | U.S. Geological Survey | 1987-01-01 | Harwood, D.S., and E.J. Helley | |
| Geologic Map of the Chico Monocline and Northeastern Part of the Sacramento Valley, California | U. S. Geological Survey | 1981-01-01 | Harwood, D.S., E.J. Helley and M.P. Doukas | |
| "Sutter Butte" in DL Wagner and SA Graham, Geologic Field trips in Northern California | Centennial Meeting of the Cordilleran Section of the Geological Society of America | 1999-01-01 | Hausback, B.P. and Nilsen, T.H | |
| Geologic Map of the Late Cenozoic Deposits of the Sacramento Valley and Northern Sierran Foothills, California. | U.S. Geological Survey | 1985-01-01 | Helley, E.J. and Harwood, D.S. | |
| Geochemistry of the Ground Water in the Sacramento Valley, California | U.S. Geological Survey | 1984-01-01 | Hull, L.C. | |
| Global Positioning System surveying to monitor land subsidence in Sacramento Valley California USA | Hydrological Sciences Journal | 1994-10-01 | Ikehara, M.E. | |
| Structural and Stratigraphic Significant of the Buchia Zones in the Colyear Springs-Paskenta Area, California | U.S. Geological Survey | 1969-01-01 | Jones, D.L., Bailey, E.H., and Imlay, R.W | |
| Geologic Map of California, Olaf P. Jenkins edition, Ukiah Sheet | Department of Natural Resources Division of Mines and Geology (CDMG) | 1960-01-01 | Jennings, C.W. and Strand, R.G | |
| Identifying Areas of Degrading and Improving Groundwater-Quality Conditions in the State of California. USA, 1974 -2014 | Environ Monit Assess 192, 250 | 2020-01-01 | Jurgens, B.C., Fram, M.S., Rutledge, J., Bennett V., G.L. | |
| Mapping Indicators of Groundwater Dependent Ecosystems in California: Methods Report | 2018-01-01 | Klausmeyer K., J. Howard, T. Keeler-Wolf, K. Davis-Fadtke, R. Hull, A. Lyons. | ||
| Geologic Map of California, Olaf P. Jenkins edition, Santa Rosa Sheet | California Department of Natural Resources Division of Mines and Geology | 1963-01-01 | Koenig, J.B. | |
| Quaternary Geology of the Northern San Joaquin Valley, in Graham, S.A., ed | Studies of the San Joaquin Basin: | 1988-01-01 | Lettis, W.R. | |
| 2018 Annual Groundwater Monitoring Results, Sacramento Valley Water Quality Coalition | Luhdorff and Scalmanini, Consulting Engineers. | 2019-05-01 | Luhdorff and Scalmanini, Consulting Engineers. | |
| Geology and Lahars of the Tuscan Formation, Northern California | Geological Society of America | 1968-01-01 | Lydon, P.A. | |
| The Tehama Formation at Black Butte Lake with a Review of the Geology of the Orland Buttes | California State University, Chico Masters of Science Thesis | 2017-01-01 | Maloney, D.F. | |
| Hydrodynamics and Overpressure Mechanisms in the Sacramento Basin, California | American Journal of Science | 1999-06-01 | McPherson, BJOL and Garven, G | |
| Stratigraphy and Structure of Upper Jurassic-Lower Cretaceous Strata, Sacramento Valley | Stanford University | 1990-01-01 | Moxon, I.W. | |
| Urban Hydrology for Small Watersheds | Conservation Engineering Division, Natural Resources Conservation Service. | 1986-06-01 | National Resources Conservation Service | |
| Soil Survey Geographic Database (SSURGO). Colusa and Glenn Counties. | National Resources Conservation Service | 2017-01-01 | National Resources Conservation Service | |
| Soil Suitability Index Identifies Potential Areas for Groundwater Banking on Agricultural Lands | California Agriculture | 2015-06-01 | O'Geen, A.T., et al. | |
| National Water Quality Monitoring Council Water Quality Portal | National Water Quality Monitoring Council | 2020-01-01 | National Water Quality Monitoring Council | |
| Cretaceous sedimentation, Sacramento Valley, California | Geological Society of America | 1968-01-01 | Ojakangas, RW. | |
| Geologic Features and Ground-Water Storage Capacity of the Sacramento Valley, California | U.S. Geological Survey | 1961-01-01 | Olmsted, F.H. and Davis, G.H. | |
| Orland Municipal Services Review. Adopted April 14, 2014, Glenn LAFCO Resolution 2014-03 | Orland Municipal Services | 2014-04-14 | Orland Municipal Services | |
| Water System Capacity Study | Prepared by Rolls Anderson & Rolls | 2014-07-01 | Orland, City of | |
| City of Colusa General Plan Update 2005-2025.Adopted October 30, 2007. Adopted by Resolution No. 07-30 | Pacific Municipal Consultants and North Fork Associates | 2007-10-30 | Pacific Municipal Consultants and North Fork Associates | |
| City of Orland, Draft General Plan 2008-2028 | Pacific Municipal Consultants | 2008-07-01 | Pacific Municipal Consultants | |
| Geology of the Fresh Ground-Water Basin of the Central Valley, California with Texture Maps and Sections, Regional Aquifer System Analysis. | U.S. Geological Survey | 1986-01-01 | Page, R.W | |
| A Compressible Diatomaceous Clay, Sacramento Valley, California | Land Subsidence. Case Studies and Current Research, Proceedings of the Dr. Joseph F. Poland Symposium on Land Subsidence. J.W. Borchers, ed. Star Publishing Company | 1998-01-01 | Page, R.W | |
| A Pleistocene diatomaceous clay and a pumiceous ash | California Geology | 1983-01-01 | Page, R.W. and Bertoldi, G.L. | |
| Glenn County General Plan Volume 1. June 15, 1993. Adopted by Resolution No. 93-61 | QUAD Consultants. | 1993-07-01 | QUAD Consultants | |
| Measurement and Computation of Streamflow | U.S. Geological Survey | 1982-01-01 | Rantz, S.E. and others | |
| The Tertiary Princeton Submarine Valley System Beneath the Sacramento Valley, California. | American Association of Petroleum Geologists, Publication Paleogene Submarine Canyons of the Sacramento Valley, California. | 1984-01-01 | Redwine, L.E. | |
| Groundwater Dependent Ecosystems under the Sustainable Groundwater Management Act: Guidance for Preparing Groundwater Sustainability Plans | The Nature Conservancy | 2018-01-01 | Rohde, M. M., S. Matsumoto, J. Howard, S. Liu, L. Riege, and E. J. Remson | |
| The Tehama Formation of Northern California. | University of California | 1931-01-01 | Russell, R.D | |
| Geologic Map of the Chico Quadrangle. | Department of Conservation Division of Mines and Geology (CDMG). | 1992-01-01 | Saucedo, G.J. and Wagner, D.L. | |
| Stratigraphic Analysis and Hydrogeologic Characterization of Cenozoic Strata in the Sacramento Valley near the Sutter Buttes. Master of Science Dissertation | California State University, Chico. | 2008-01-01 | Springhorn, S.T. | |
| Groundwater Information Sheets, Assorted Chemicals. | California State Water Resources Control Board, Division of Water Quality, GAMA Program | 2017-11-01 | State Water Resources Control Board (SWRCB) | |
| California Code of Regulation Title 22. Division 4. Chapter 15. Article 16. Secondary Water Standards | California State Water Resources Control Board | 2018-10-01 | State Water Resources Control Board | |
| GeoTracker Groundwater Ambient Monitoring and Assessment (GAMA) | California State Water Resources Control Board | 2020-01-01 | State Water Resources Control Board | |
| GeoTracker Map | California State Water Resources Control Board | 2020-01-01 | State Water Resources Control Board | |
| Drinking Water Notification Levels and Response Levels: An Overview | California State Water Resources Control Board | 2020-01-01 | State Water Resources Control Board | |
| Human Right to Water Portal | California State Water Resources Control Board | 2021-11-18 | State Water Resources Control Board | |
| Tehama-Colusa Canal Authority | Tehama-Colusa Canal Authority | 2020-01-01 | Tehama-Colusa Canal Authority | |
| The Relation Between the Lowering of the Piezometric Surface and the Rate and Duration of Discharge of a Well using Ground-water Storage | Transactions of the American Geophysical Union | 1935-01-01 | Theis, C.V. | |
| InSAR Land Surveying and Mapping Services in Support of the DWR SGMA Program Technical Report. | 2020-03-01 | TRE ALTAMiRA | ||
| Integrated Resources Management Program for Flood Control in the Colusa Basin. Draft Programmatic EIS/EIR | 2000-01-01 | U. S. Bureau of Reclamation (USBR) and Colusa Basin Drainage District | ||
| Classification of Wetlands and Deepwater Habitats of the United States | U.S. Department of the Interior (USDI) Fish and Wildlife Service (FWS), Washington D.C., FWS/OBS-79-31. | 2014-01-01 | U.S. Department of the Interior | |
| Letter from William Ehorn, North Region Office, California Department of Water Resources to Colusa County Board of Supervisors and Colusa County Water Commission | 2016-09-02 | Ehorn, W | ||
| Groundwater Management Plan AB3030. Glenn-Colusa Irrigation District | 1995-01-01 | Glenn County | ||
| RD 108 Groundwater Management Plan | 2008-11-01 | Reclamation District 108 | ||
| Contract No. 10-T1126 Groundwater Monitoring Report, October 2019, Orland Dry Cleaners Site, Orland, California | URS Corporation Americas for California Department of Toxic Substances Control, Region 1. | 2020-05-06 | URS Corporation Americas | |
| Aquifer Performance Testing Report: prepared for Stony Creek Fan Partners. | 2012-12-01 | West Yost & Associates (WYA) | ||
| Phase II fault and seismic hazards investigations: North of Delta offstream storage DWR - Integrated Storage Investigations | (referenced in CNRA DWR, 2014, "Geology of the Northern Sacramento Valley, California" | 2002-01-01 | William Lettis and Associates | |
| Stony Creek Fan IGSM Model Development Calibration and Analysis. Prepared for Orland-Artois Water District Orland Unit Water Users' Association, and Glenn-Colusa Irrigation District in coordination with California Department of Water Resources | 2003-05-01 | WRIME | ||
| Stony Creek Fan Integrated Groundwater and Surface Water Model (SCFIGSM) Hydrogeology and Conceptual Model. Prepared for Orland-Artois Water District Orland Unit Water Users' Association, and Glenn-Colusa Irrigation District in coordination with California Department of Water Resources | 2003-05-01 | WRIME |
