Amended GSP 2025

5-022.04 MERCED

Base Information

01/27/2025

01/27/2025

04/12/2025

Merced Subbasin GSA
Merced Irrigation-Urban GSA
Turner Island Water District GSA - Merced

Hicham Eltal
744 W. 20th Street
Merced, CA 95340
209-354-2854
heltal@mercedid.org

Notice Date: 09/19/2024

Merced GSP Adoption NOI_2024-09-19_SIGNED.pdf (267.1kB)
File Name GSP Regulation Element(s) Uploaded Date & Time
Title Publication Name Publish Date Author(s) File Name or URL
2015 Urban Water Management Plan 2016-10-01 City of Livingston
2015 Urban Water Management Plan 2017-05-01 City of Merced
CASGEM Monitoring Plan 2014-01-01 Merced Area Groundwater Pool Interests
Agricultural Water Management Plan 2013-09-03 Merced Irrigation District
Merced Basin Groundwater Sustainability Stakeholder Engagement Strategy 2019-09-27 Woodard & Curran
Merced Groundwater Basin Groundwater Management Plan Update 2008-07-29 AMEC
Salt and Nutrient Study Merced Integrated Regional Water Management Plan 2013-01-01 AMEC
Water Quality for Agriculture Food and Agriculture Organization of the United Nations 1985-01-01 Ayers, R. S., & Westcot, D. W.
Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS) 2018-07-13 California Water Boards
Order No. R5-2011-0006 Soil Remediation Waste Discharge Requirements for Track Four, Inc. (a Wholly Owned Subsidiary of Amsted Industries Inc.), and Merck & Co., Inc., Former Baltimore Aircoil Company Facility 2011-01-01 Central Valley RWQCB
The Water Quality Control Plan (Basin Plan) - Sacramento River Basin and San Joaquin River Basin 2019-12-19 Central Valley RWQCB
Merced Vision 2030 General Plan 2012-01-01 City of Merced Development Services Department
Code of Ordinances: Chapter 8.12 - Water Wells 2018-04-05 City of Merced
Chowchilla Subbasin - Modified Boundary Description. 2016-03-29 County of Madera
Ground-Water Conditions and Storage Capacity in the San Joaquin Valley California 1959-01-01 Davis, G. H., Green, J. H., Olmsted, F. H., & Brown, D. W.
California's Groundwater Bulletin 118 (Update 2003) 2003-10-01 DWR
Bulletin 118: San Joaquin Valley Groundwater Basin Merced Subbasin 2004-02-27 DWR
Groundwater Elevation Monitoring Guidelines 2010-12-01 DWR
Best Management Practices for the Sustainable Management of Groundwater: Water Budget 2016-12-30 DWR
Best Management Practices for the Sustainable Management of Groundwater: Monitoring Networks and Identification of Data Gaps 2016-12-30 DWR
Groundwater Sustainability Agency Frequently Asked Questions 2016-01-01 DWR
Groundwater Sustainability Plan (GSP) Annotated Outline 2016-12-30 DWR
Preparation Checklist for GSP Submittal 2016-12-30 DWR
Best Management Practices for the Sustainable Management of Groundwater: Sustainable Management Criteria (Draft) 2017-11-06 DWR
California Aqueduct Subsidence Study 2017-01-01 DWR
Chronological Reconstructed Sacramento and San Joaquin Valley Water Year Hydrologic Classifications Indices 2017-01-01 DWR
Guidance for Climate Change Data Use During Groundwater Sustainability Plan Development 2018-08-06 DWR
SGMA Climate Change Resources 2018-01-01 DWR
SGMA Data Viewer 2019-01-01 DWR
The San Joaquin Valley Through Time 2012-08-01 T. Elam
Groundwater Conditions and Shallow Test-Well Information in the Eastern Half of Merced County, California 1967-82 1984-08-01 A.L. Elliott
Groundwater Quality Trend Monitoring Workplan: Phase III. Specific Network Wells 2018-02-01 Eastern San Joaquin Water Quality Coalition
Final Environmental Impact Statement for Hydropower Licenses 0259 (Merced River Hydroelectric Project—FERC Project No. 2179-043–California and Merced Falls Hydroelectric Project—FERC Project No. 2467-020–California) 2015-12-04 Federal Energy Regulatory Commission
Region 5: Updated Groundwater Quality Analysis and High Resolution Mapping for Central Valley Salt and Nitrate Management Plan 2016-06-01 Luhdorff and Scalmanini Consulting Engineers
Madera County General Plan 1995-01-01 Madera County
Adverse Groundwater Quality by Area in Merced County 2018-05-09 Merced County Department of Public Health, Division of Environmental Health
Merced County Code. Chapter 9.28 - Wells 2018-04-05 Merced County
Memorandum of Understanding 2017-10-13 Merced Subbasin GSA, MIUGSA, Turner Island Water District GSA-#1
Notification of Intent to Develop a Groundwater Sustainability Plan for Merced Subbasin 2018-01-08 Merced Subbasin GSA, MIUGSA, Turner Island Water District GSA-#1
Agricultural Water Management Plan 2016-07-05 Merced Irrigation District
Memorandum of Understanding Forming the Merced Irrigation-Urban Groundwater Sustainability Agency 2017-04-24 MIUGSA
Quality Assurance Project Plan for Groundwater Monitoring by the ESJWQC in Compliance with the Central Valley Monitoring Collaborative QAPrP (DRAFT) 2019-04-01 MLJ Environmental
A guide to Water Quality Requirements Under the Sustainable Groundwater management Act 2019-04-01 Moran, T., & Belin, A.
Joint Powers Agreement Creating the Merced Subbasin Groundwater Sustainability Agency 2017-03-15 MSGSA
City of Atwater General Plan 2000-07-24 Pacific Municipal Consultants
Geology of the Fresh Ground-Water Basin of the Central Valley, California, with Texture Maps and Sections 1986-01-01 R.W. Page
Geology and Quality of Water in the Modesto-Merced Area, San Joaquin Valley, California, with a Brief Section on Hydrology 1973-01-01 Page, R. W., & Balding, G. O.
Livingston General Plan 1999-12-01 Quad Knopf, Inc.
Measurement and Computation of Streamflow: Volume 1. Measurement of Stage and Discharge 1982-01-01 S. Rantz
Measurement and Computation of Streamflow: Volume 2. Computation of Discharge 1982-01-01 S. Rantz
Draft Environmental Assessment/Initial Study: Water Year 2016-2026 Transfer and Exchange from Madera Irrigation District and Chowchilla Water District to the Red Top Area 2016-02-01 Reclamation
Merced Integrated Regional Water Management Plan 2013-08-01 RMC Water and Environment
Groundwater Recharge Feasibility Study Merced Integrated Regional Water Management Plan 2013-08-01 RMC Water and Environment
CASTLE AIR FORCE BASE (T0604719389) 2018-10-30 SWRCB - GeoTracker
CCR Title 22 Division 4 Chapter 15 Article 16: Secondary Water Standards 2006-05-02 SWRCB
Groundwater Information Sheet: Hexavalent Chromium 2017-11-01 SWRCB
Maximum Contaminant Levels and Regulatory Dates for Drinking Water U.S. EPA vs California 2018-10-01 SWRCB
Central Valley Extensometer Data (Excel) 2017-01-19 USGS
Merced Water Resources Model (MercedWRM) 2019-09-01 Woodard & Curran
Groundwater Quality Trend Monitoring Workplan: Phase II, Preliminary Determination of Specific Wells for GQTM 2016-01-29 Eastern San Joaquin Water Quality Coalition
Map showing Tertiary stratigraphy and structure of the Northern San Joaquin Valley, California 1985-01-01 J.A. Bartow
Rules and Regulations 2023-10-11 Merced Irrigation-Urban Groundwater Sustainability Agency
Groundwater Management Implementation Plan 2023-10-11 Merced Irrigation-Urban Groundwater Sustainability Agency
Appraisal of Ground-Water Conditions in Merced, California, and Vicinity 1977-01-01 Page, R. W.
Soil Water Characteristic Estimates by Texture and Organic Matter for Hydrologic Solutions 2006-08-03 Saxton, K. E., & Rawls, W. J.
DQM Information Paper 3.1.3: Conductivity/Salinity Measurement Principles and Methods 2004-04-27 State Water Resources Control Board
Certified State Water Board Resolution 2024-0015, Adopting the Proposed Hexavalent Chromium Maximum Contaminant Level Regulations 2024-04-17 State Water Resources Control Board
2018 Merced Integrated Regional Water Management Plan Update 2019-02-01 Woodard & Curran
Merced Groundwater Subbasin Groundwater Sustainability Plan: Data Gaps Plan 2021-07-01 Woodard & Curran
Engineer's Report for the Phase 1 Funding Mechanism Intended to Comply with Proposition 218 Procedures for Establishing Groundwater Sustainability Plan Charges 2022-05-01 Zanjero
The Cenozoic Evolution of the San Joaquin Valley, California 1991-01-01 J.A. Bartow
Fault Activity Map of California 2010-01-01 California Geological Survey
Groundwater Quality Trend Monitoring Workplan: Phase I, Monitoring Design Approach 2015-06-04 Eastern San Joaquin Water Quality Coalition
2030 Merced County General Plan 2011-06-01 Merced County
Well Construction, Destruction, Mining, and Export Application/Permit User Guide 2015-05-13 Merced County
Merced County Department of Agriculture 2017-12-31 2017 Report on Agriculture
Creating an Opportunity: Groundwater Recharge through Winter Flooding of Agricultural Land in the San Joaquin Valley 2015-10-01 RMC Water and Environment
National Field Manual for the Collection of Water-Quality Data 2015-01-01 F. Wilde
Sustainability of Ground-Water Resources 1999-01-01 Alley, W. M., Reilly, T. E., & Franke, O. L.
Standard Methods for the Examination of Water and Wastewater 1999-01-01 American Public Health Association, American Water Works Association, and Water Environment Foundation
Title 23, Division 2, Chapter 1.5, Subchapter 2, Article 1 Section 354.18 (a) 2000-01-01 California Code of Regulations
2020 Urban Water Management Plan 2022-02-01 City of Livingston
2020 Urban Water Management Plan 2021-08-01 City of Merced
Statement of Findings Regarding the Approval of the San Joaquin Valley – Merced Subbasin Groundwater Sustainability Plan 2023-08-04 Department of Water Resources
Chronological Reconstructed Sacramento and San Joaquin Valley Water Year Hydrologic Classifications Indices 2023-01-01 Department of Water Resources
DRAFT: Depletions of Interconnected Surface Water: An Introduction 2024-02-01 Department of Water Resources
TRE ALTAMIRA InSAR Subsidence Data 2024-01-01 California Natural Resources Agency
California Data Exchange Center 2019-02-02 Department of Water Resources
Final PFAS National Primary Drinking Water Regulation 2024-04-26 United States Environmental Protection Agency
Merced Irrigation-Urban Groundwater Sustainability Agency Regulatory Fee Study 2020-07-02 Hansford Economic Consulting
Former Castle Air Force Base Operations, Maintenance, and Monitoring 2022 Annual Report 2024-01-01 Jacobs
Agricultural Water Management Plan 2021-07-13 Merced Irrigation District
Regulatory Fee Study 2020-07-02 Merced Irrigation-Urban Groundwater Sustainability Agency
Public Involvement Plan 2021-06-01 Merced Irrigation-Urban Groundwater Sustainability Agency
Elevation Readings Export (CSV)

SGMA Wells


Existing Sites


General Sites

Current Periodic Evaluation

2025  Periodic Evaluation