Notice to Operators

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​NTO # Notice Date Title​
NTO 2024-13
November 18, 2024​​​​​​​​
Requirements for Idle Wells Effective January 1, 2025
​​NTO 2024-12
November 5, 2024​​​​​​​
Digital Notice to Operators
​​NTO 2024-11
October 18, 2024​​​​​​
Updated Notice of Supplemental Assessment for Oil and Gas Produced for Calendar Year 2023
NTO 2024-10
October 7, 2024​​​​​
Notice of Supplemental Assessment for Oil and Gas Produced for Calendar Year 2023
​​NTO 2024-09
September 13, 2024​​​​
​Regulatory Requirements for Operator Compliance with Public Resources Code 3284​
​​NTO 2024-08
September 4, 2024​​
​Upcoming Due Dates for Cost Estimate Reports
NTO 2024-07
​July 1, 2024
​2023 ​Notice of Assessment
​​​ ​​​​​NTO 2024-06
June 28, 20​​24​​​​​​​​​​​​
Regulatory Requirements for Operator Compliance with Senate Bill 1137​​
​​​​ ​​​​​NTO 2024-05
June 14, 20​​24​​​​​​​​​​​
Notice of Assessment -- Calendar Year 2023​​
​​​​​ ​​​​​NTO 2024-04
March 27, 2024​​​​​​​​​​
Updates Related to WellSTAR Release 5.1.12
​​​​ ​​​​​NTO 2024-03
March 13, 2024​​​​​​​​​
Enhanced Field Enforcement​​
​​​ ​​​​​NTO 2024-02
February 22, 2024​​​​
​Guidance for CEQA Compliance for Proposed Underground Injection Control Operations
​​NTO 2024-01
February 15, 2024​​​​
Annual Assessment Reporting Due March 15, 2024​​​​
​​NTO 2023-10
December 15, 2023​​​​
New Bonding Requirements Associated with Assembly Bill 1167 (Carrillo, Chapter 359, Statutes of 2023)​​
​​NTO 2023-09
​September 8, 2023
​Reminder of April 1, 2024 Mechanical Integrity Testing Compliance Deadline for Certain Categories of Injection Wells
​NTO 2023-08
July 31, 2023
​CalGEM's Bonding and Financial Security Program Implementation of Public Resources Code Section 3205.3
NTO 2023-07
July 1, 2023
​Notice of Reporting Requirements by Public Resources Code Sections 3200–3202
NTO 2​​​​023-0​6
May 31, 2023​​​
​AMENDED​ ​Notice of Appellate Order Regarding Kern County Code Chapter 19.98; Guidance for CEQA Compliance for Proposed Operations in Unincorporated Kern County.

(Restating and Supplementing NOTICE TO OPERATORS 2023-02)​
NTO 2​​​023-0​5
​February 23, 2023​​
​Requirements for Review of Idle Well Fee Invoices and Payment by May 1, 2023
NTO 2​023-0​4
​February 15, 2023​
​Annual Assessment Reporting Due March 15, 2023


NTO 2​023-0​3

​February 3, 2023

​Su​spension of Senate Bill 1137 Requirements​​​​​​​​​

NTO 2​023-0​2
February 2, 2023​​​
​Notice Of Appellate Order Regarding Kern County Code Chapter 19.98; Guidance For Ceqa Compliance For Proposed Operations In Kern County
NTO 2023-01
January 6, 2023​
​​Regulatory Requirements for Operator Compliance with Senate Bill 1137​​.​
​​​NTO 2022-07
December 23, 2022​
​Regulatory Requirements For Removing Idle Wells Scheduled For Plugging And Abandonment On An Approved Idle Well Testing Waiver Plan.​
NTO 2022-06

November 16, 2022​​
​Kern County Final Supplemental Recirculated Environmental Impact Report Suspension Lifted Guidance for CEQA Compliance for Proposed Operations in Kern County
NTO 2022-05

October 26, 2022
​Notification Requirements for Witnessing Oil, Gas, and Underground Gas Storage Operations
​NTO 2022-04
August 26, 2022
​Mechanical Integrity Testing (MIT) Part 2 Compliance for Steam Injection Wells
N​​TO 2022-03
​June 15, 2022​
​Notice of Assessment Oil And Gas Produced For Calendar Year 2021
N​TO 2022-02

March 21, 2022
​Availability of New Non-Expansion Project Information Requirements (Non-Expansion Checklist)
​NTO 2022-01
February 15, 2022

​Annual Production Volume Due March 15, 2022
NTO 2021-09

​November 19, 2021
​Voluntary Submission of Decommissioning Cost Data
NTO 2021-08

November 12, 2021
​Electronic Funds Transfer Option Now Available​
​​NTO 2021-07

November 8, 2021
​New Address for CalGEM Headquarters and Northern District Sacramento Office
NTO 2021-06
November 2, 2021
​Documenting CEQA Compliance for Proposed Operations in Kern County
NTO 2021-05
June 14, 2021
​Notice of Annual Oil and Gas Production Assessment for  Calendar Year 2020
NTO 2021-04
​​June 11, 2021
​Notice of Reporting Requirements Required by Public Resources Code Sections 3200-3202
​​NTO 2021-03
April 7​, 2021

CEQA COMPLIANCE  FOR OPERATIONS IN KERN COUNTY

​NTO 2021-02
February 12, 2021
ANNUAL PRODUCTION VOLUME DUE MARCH 15, 2021​
​NTO 2021-01
February 4. 2021​​
​Licensed Professional Signature and Stamp Requirements for UIC Water Disposal Projects

NTO 2020-08

​November 17, 2020
​Notice of Inland District Office move effective November 16, 2020
NTO 2020-07 November 17, 2020
Availibility of Updated UIC Project Data Requirements  (“CHECKLIST”)​
NTO 2020-06 June 22​, 2020 Avail​​ability of Idle Well Inventory and Evaluation Form
NTO 2020-05 May 18, 2020 New WellSTAR Application for Injection Approval Form
NTO 2020-04​ May 1, 2​020 COVID-19 Pandemic Guidance​​
NTO 2020-03​ March​ 30, 2020 Documenting CEQA Compliance For Operations in Kern County​​
NTO 2020-02 January 7, 2020 Moratorium on New Approvals of Cyclic Steam above Fracture Pressure​
​​​ NTO 2020-01 January 2, 2020 Division of Oil, Gas, and Geothermal Resources (DOGGR) Name Change​
NTO 2019-17 October 24, 2019 Phone System Down-Time for the Inland District Office​
NTO 2019-16 October 24, 2019 CEQA Compliance
NTO 2019-15 September 9, 2019 Reminder: How to Access Your Annual Assessment Notice Effective Year 2018
NTO 2019-14 July 15, 2019 Notice of Assessment Oil and Gas Produced for Calendar Year 2019
NTO 2019-13 June 28, 2019 Guidelines for Collection of Oil Field Water Quality Data
NTO 2019-12 June 28, 2019 Pipeline Management Plan Due on October 01, 2019
NTO 2019-11 June 17, 2019 New Telephone Number for Southern District
NTO 2019-10 June 11, 2019 Project Approval Letters and Updated UIC Regulations
NTO 2019-09 June 11, 2019 DOGGR (now CalGEM) ​Approval of Nondestructive Testing of Pipelines
NTO 2019-08 May 30, 2019 WellSTAR - Upcoming Operator Workshops
NTO 2019-07 April 30, 2019 Submittal of Idle Well Testing Compliance Work Plan
NTO 2019-06 April 5, 2019 Updated CEQA Operator Checklist
NTO 2019-05 March 1, 2019 Implementation Workshops on New Regulations - Underground Injection Control and Idle Well Testing & Management
NTO 2019-04 February 8, 2019 New Address Southern District Office
NTO 2019-03 February 5, 2019 Submittal Requirements for the Well Maintenance Form (OG179)
NTO 2019-02 January 28, 2019 Informational Workshop to Review and Discuss Professional Licensing Requirements for Geological and Engineering Work Products
NTO 2019-01 January 15, 2019 UPDATE: WellSTAR - New and Updated Forms and Electronic Reporting
NTO 2018-14 December 7, 2018 WellSTAR - New and Updated Forms and Electronic Reporting
NTO 2018-13 November 7, 2018 Bonds
NTO 2018-12 September 28, 2018 Enforcement Actions: Failing to Notify the Supervisor of the Sale, Assignment, Transfer, Conveyance, or Exchange of a Well or Production Facility
NTO 2018-11 September 18, 2018 Unique Well Number (API) Changes - WellSTAR Release 3
NTO 2018-10 September 4, 2018
AMENDED CEQA Compliance​
NTO 2018-09 August 28, 2018 CEQA Compliance Workshops - September 2018
NTO 2018-08 August 28, 2018 AB 1420 Gas Pipeline Regulations - Operator Compliance Workshop
NTO 2018-07 July 16, 2018 Establishment of the Office of Enforcement
NTO 2018-06 June 18, 2018 Approved Regulations - Requirements for Active Oil and Gas Pipelines in Sensitive Areas
NTO 2018-05 May 25, 2018 Request for Information Pool Code to Wellbore Data Mapping
NTO 2018-04 April 20, 2018 Underground Injection Control Project Review and Analysis On-Line Tracking System
NTO 2018-03 March 7, 2018 WellSTAR Release 2.0
NTO 2018-02 March 7, 2018 AMENDED Guidelines for Collection of Oilfield Water Quality Data
NTO 2018-01 February 2, 2018
Idle Well Inventory Idle Well Start Date Error & Impact to Idle Well Fees & Idle Well Management Plans
NTO 2017-12 December 20, 2017 Ventura Office Telephone Number Change - Effective January 1, 2018
NTO 2017-11 December 4, 2017 Sensitive Gas Pipeline Map Submission Due On January 1, 2018
NTO 2017-10 November 30, 2017 API12 Conversion Work Plan And Production/Injection Reporting
NTO 2017-09 November 13, 2017 Extension For Well Maintenance Reporting
NTO 2017-08 September 28, 2017 Idle Wells Fees And Idle Well Management Workshop on October 17, 2017
NTO 2017-07 September 12, 2017 Pipelines Testing and Mapping Workshop on October 17, 2017 Sensitive Gas Pipeline Map Submission Due on January 1, 2018
NTO 2017-06 June 16, 2017 Quarterly Water Reporting - Senate Bill 1281
NTO 2017-05 June 16, 2017 Concerns With Reporting Well Maintenance Operations
NTO 2017-04 May 5, 2017 Health and Safety During Witnessing and Inspections
NTO 2017-03 March 13, 2017 Permitting Requirements
NTO 2017-02 March 3, 2017 New Idle Well Bonding Requirements Associated with AB 2729
NTO 2017-01 February 9, 2017 Cessation of Injection
NTO 2016-01 August 22, 2016 Stress Field Audit Process
N/A July 8, 2016Aquifer Exemption Compliance Deadline
N/A May 4, 2016Closure of Coalinga Office
N/A April 8, 2016Aquifer Exemption Compliance Deadline
N/A February 12, 2016Requirements for Underground Gas Storage Projects
N/A December 22, 2015New Reporting Requirements Associated with the Passage of Assembly Bill 1420
N/A October 7, 2015UIC Project Review
N/A September 9, 2015A strategy for produced water
N/A May 18, 2015 AMENDED Water sampling protocols and analyses of injection and formation waters
N/A April 29, 2015SB 1281 Water Report Update
N/A December 31, 2014Clarifies what constitutes the end of a well stimulation treatment and the Disclosure requirements
N/A December 8, 2014SB 1281, new water reporting requirements
N/A June 24, 2014Summary of statutory changes brought about by Senate Bill 665
N/A May 15, 2014Concerns with Public Disclosures Associated with Well Stimulation Treatments
N/A February 11, 2014
Monthly production and injection report
N/A January 30, 2014New assessment payee and mailing address
N/A November 20, 2013Interim written notice and certification of compliance to address mandates of Senate Bill 4
N/A October 7, 2013Senate Bill 665 (Wolk), amends several sections of the Public Resources Code regarding bond requirements for oil and gas wells (A list of frequently asked questions can be found here)
N/A September 30, 2013Designated Agents
N/A March 28, 2012Voluntary Reporting of Hydraulic Fracture Stimulation Operations
N/A October 5, 2011Improvements to the Manual Production Reporting System
N/A September 6, 2011Facilities Regulations Critical Due Dates
N/A May 6, 2011Geothermal well records
N/A January 6, 2009Changes to the Public Resources Code
N/A October 27, 2008Revised Notices of Intent
N/A January 18, 2008Underground Injection Control Project Data
N/A January 17, 2008Requesting "Confidential Status" for New Wells
N/A November 5, 2007Geothermal well records may remain confidential for a period of five years from cessation of drilling, when requested by operator
N/A October 24, 2007Installing Conductors
N/A January 2, 2007Blowout prevention
N/A December 16, 2005Price increase for maps
N/A November 3, 2005Training for personnel operating drilling and rework rigs in California
N/A June 29, 2005Unreported accidents/incidents
N/A October 29, 2004 - August 22, 1980Archive of NTOs.









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