| Delaware                                                       |   | 72-0496921                           |
|----------------------------------------------------------------|--------|--------------------------------------|
| (State or other jurisdiction of incorporation or organization) |   | (I.R.S. Employer Identification No.) |

| 1100 Alakea Street, Suite 2900, Honolulu, Hawaii |   | 96813-2840 |
|-------------------------------------------------------|--------|------------|
| (Address of principal executive offices)              |   | (Zip code) |

| Title of each class           | Trading Symbols(s) | Name of each exchange on which registered |
|-------------------------------|--------------------|-------------------------------------------|
| Common Stock, $0.50 par value | BRN                | NYSE American                             |

| Large accelerated filer ☐                                                               |   | Accelerated filer ☐         |
|-----------------------------------------------------------------------------------------------|--------|-----------------------------------|
| Non-accelerated filer   ☐  (Do not check if a smaller reporting company) |   | Smaller reporting company ☒ |
|                                                                                          |   | Emerging growth company ☐   |

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| PART III |                                                                                           |   |
|----------|------------------------------------------------------------------------------------------------|--------|
|     |                                                                                           |   |
| ITEM 10. | DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE                                         | 2      |
|     |                                                                                           |   |
| ITEM 11. | EXECUTIVE COMPENSATION                                                                         | 5      |
|     |                                                                                           |   |
| ITEM 12. | SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS | 7      |
|     |                                                                                           |   |
| ITEM 13. | CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE                      | 9      |
|     |                                                                                           |   |
| ITEM 14. | PRINCIPAL ACCOUNTING FEES AND SERVICES                                                         | 9      |
|     |                                                                                           |   |
| PART IV  |                                                                                           |   |
|     |                                                                                           |   |
| ITEM 15. | EXHIBITS AND FINANCIAL STATEMENT SCHEDULES                                                     | 10     |

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| Name                                       |   | Position Held with the Company                                                            |   | Age    |
|--------------------------------------------|--------|-------------------------------------------------------------------------------------------|--------|--------|
| Alexander C. Kinzler 1,3              |   | Chief Executive Officer, President, Chief Operating Officer, General Counsel and Director |   | 61     |
| Russell M. Gifford 3                  |   | Executive Vice President, Chief Financial Officer, Treasurer, Secretary and Director      |   | 65     |
| James S. Barnwell III 1A, 2,3, 4A, 5A |   | Director, Chairman of the Board                                                           |   | 74     |
| Martin Anderson 1, 2, 4                    |   | Director                                                                                  |   | 96     |
| Murray C. Gardner 1, 2, 3, 4          |   | Director                                                                                  |   | 87     |
| Kevin K. Takata 2, 3A, 4, 5           |   | Director                                                                                  |   | 63     |
| Robert J. Inglima, Jr. 2A, 3, 5       |   | Director                                                                                  |   | 61     |
|                                       |   |                                                                                      |   |   |

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|           Name | Age    | Position with the Company                                                                                                                                                                                                                                                                     |
|------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                             |   |                                                                                                                                                                                                                                                                                          |
| Alexander C. Kinzler                                             | 61     | Chief Executive Officer since December 2016.  President and Chief Operating Officer since December 2002 and General Counsel since December 2001.  Director of the Company since December 1999.                                                                                 |
| Russell M. Gifford                                               | 65     | Secretary since December 2002, Executive Vice President since December 1997, Treasurer since November 1986 and Chief Financial Officer since August 1985.  President of Water Resources              International, Inc., a wholly-owned subsidiary of the Company, since December 1999. |

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| Name and Principal Position                                                                  | Year                           | Salary ($)                       | Bonus ($)                             | Non-Equity Incentive Plan Compen-sation ($) | All Other Compen-sation ($)                      | Total ($)                        |
|----------------------------------------------------------------------------------------------|--------------------------------|----------------------------------|---------------------------------------|---------------------------------------------|--------------------------------------------------|----------------------------------|
| Alexander C. KinzlerChief Executive Officer, President and General Counsel              | 2019                2018  | 321,667 380,000        | -   65,000        | - -                               |   36,6342  36,356       | 358,301 481,356        |
| Russell M. GiffordExecutive Vice President, Chief Financial Officer, Treasurer and Secretary |  2019 2018      |  321,667 380,000  |  -   65,000  |  - -                         |   11,2093   9,221  |  332,876 454,221  |

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| Option Awards        |
|----------------------|
| Name                 | Number of Securities Underlying Unexercised Options              (#) Exercisable | Number of Securities Underlying Unexercised Options              (#) Unexercisable | Option Exercise              Price ($) | Option Expiration              Date |
| Alexander C. Kinzler | 125,000 | - | 4.32 | 12/2019 |
| Russell M. Gifford   | 67,500 | - | 4.32 | 12/2019 |
| Name                     | Fees Earned or Paid in Cash ($) | All Other Compensation ($) | Total ($) |
|--------------------------|---------------------------------|----------------------------|-----------|
| Martin Anderson          | 27,760                          | -                          | 27,760    |
| Murray C. Gardner, Ph.D. | 29,896                          | -                          | 29,896    |
| Kevin K. Takata          | 38,000                          | -                          | 38,000    |
| Robert J. Inglima, Jr.   | 40,573                          | -                          | 40,573    |
| James S. Barnwell III    | 63,635                          | -                          | 63,635    |

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| Name and Address of B`eneficial Owner |                                                        | Amount and Nature ofBeneficial Ownership4 |                  | PercentOf Class |
|---------------------------------------|-------------------------------------------------------------|-------------------------------------------|-----------------------|-----------------|
|                                  |                                                        |                                      |                  |            |   |
| Joseph E. Magaro                 | 401 Riversville RoadGreenwich, Connecticut                  |                                      |   1,263,060 |            | 15.3% |
|                                  |                                                        |                                      |                  |            |   |
| Ned L. Sherwood                       | 4731 North Highway A1ASuite 213Vero Beach, Florida          |                                      | 1,201,5105            |            | 14.5% |
|                                  |                                                        |                                      |                  |            |   |
| Dimensional FundAdvisors LP           | Palisades West, Building One6300 Bee Cave RoadAustin, Texas |                                      | 360,0456              |            | 4.3% |
|                                  |                                                        |                                      |                  |            |   |
| Gate City Capital Management, LLC     | 70 West Madison StreetSuite 1400Chicago, Illinois           |                                      | 951,2147              |            | 11.5% |
|                                  |                                                        |                                      |                  |            |   |
| Estate ofMorton H. Kinzler            | 1100 Alakea Street, Suite 2900Honolulu, Hawaii              |                                      | 1,150,0378            |            | 13.9% |
|                                  |                                                        |                                      |                  |            |   |
| Ruth G. Kinzler                       | 1100 Alakea Street, Suite 2900Honolulu, Hawaii              |                                      | 1,359,4089            |            | 16.4% |
|                                  |                                                        |                                      |                  |            |   |
| Martin Anderson                       | 620 Sand Hill Road, Apt. 422FPalo Alto, California          |                                      | 6,000                 |            | * |
|                                  |                                                        |                                      |                  |            |   |
| Murray C. Gardner, Ph.D.              | P. O. Box 1657Kamuela, Hawaii                               |                                      | 41,302                |            | * |

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|                                                       |                                                 |              |        |   |   |
|------------------------------------------------------------|------------------------------------------------------|-------------------|-------------|--------|--------|
| Alexander C. Kinzler                                       | 1100 Alakea Street, Suite 2900Honolulu, Hawaii       |              | 1,504,09610 |   | 18.2%  |
|                                                       |                                                 |              |        |   |   |
| Russell M. Gifford                                         | 1100 Alakea Street, Suite 2900Honolulu, Hawaii       |              | 89,50011    |   | 1.1%   |
|                                                       |                                                 |              |        |   |   |
| Kevin K. Takata                                            | c/o 1100 Alakea Street, Suite 2900, Honolulu, Hawaii |              | 2,850       |   | *      |
|                                                       |                                                 |              |        |   |   |
| Robert J. Inglima, Jr.                                     | 1 Deerhill DriveHo-Ho-Kus, New Jersey                |              | 31,80012    |   | *      |
|                                                       |                                                 |              |        |   |   |
| James S. Barnwell III                                      | 407 Driftwood StreetRockwall, Texas                  |              | 51,726      |   | *      |
| All directors and executiveofficers as a group (7 persons) |                                                 |  1,727,27413 |        | 20.9%  |

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|                   | BARNWELL INDUSTRIES, INC. |                                                                                           |
|------------------------|---------------------------|------------------------------------------------------------------------------------------------|
|                   |                      |                                                                                           |
|                   |                      |                                                                                           |   |
| Dated January 27, 2020 | By:                       | /s/ Alexander C. Kinzler                                                                       |   |
|                   |                      | Alexander C. Kinzler                                                                           |   |
|                   |                      | President, Chief Executive Officer,Chief Operating Officer, General  Counsel and Director |   |
| Dated: January 27, 2020 |   | /s/ Russell M. Gifford                                                              |   |
|-------------------------|--------|-------------------------------------------------------------------------------------|--------|
|                    |   | Russell M. Gifford                                                                  |   |
|                    |   | Executive Vice President,Chief Financial Officer, Treasurer, Secretary and Director |   |
|                    |   |                                                                                |   |
|                    |   |                                                                                |   |
| Dated: January 27, 2020 |   | /s/ James S. Barnwell                                                               |   |
|                    |   | James S. Barnwell III                                                               |   |
|                    |   | Chairman of the Board                                                               |   |
|                    |   |                                                                                |   |
|                    |   |                                                                                |   |
| Dated: January 27, 2020 |   | /s/ Martin Anderson                                                                 |   |
|                    |   | Martin Anderson                                                                     |   |
|                    |   | Director                                                                            |   |
|                    |   |                                                                                |   |
|                    |   |                                                                                |   |
| Dated: January 27, 2020 |   | /s/ Murray C. Gardner                                                               |   |
|                    |   | Murray C. Gardner                                                                   |   |
|                    |   | Director                                                                            |   |
|                    |   |                                                                                |   |
|                    |   |                                                                                |   |
| Dated: January 27, 2020 |   | /s/ Kevin K. Takata                                                                 |   |
|                    |   | Kevin K. Takata                                                                     |   |
|                    |   | Director                                                                            |   |
|                    |   |                                                                                |   |
|                    |   |                                                                                |   |
| Dated: January 27, 2020 |   |  /s/ Robert J. Inglima, Jr.                                                    |   |
|                    |   | Robert J. Inglima, Jr.                                                              |   |
|                    |   | Director                                                                            |   |

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| Exhibit No. | Description of Exhibit                                                                             |
|-------------|----------------------------------------------------------------------------------------------------|
| 31.1        | Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 |
| 31.2        | Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 |

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