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General Revenue (Tables) | 6 Months Ended
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Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Major Streams of Revenue | The major streams of revenue for SJW Group are as follows:
| Three months ended June 30, |  | Six months ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Revenue from contracts with customers | $ | 104,299 |  |  | 98,443 |  |  | $ | 183,227 |  |  | 174,312 |
Alternative revenue programs, net - WCMA | (327 | ) |  | 3,933 |  |  | (2,306 | ) |  | 3,601 |
Other balancing and memorandum accounts revenue, net | (2,376 | ) |  | (4,611 | ) |  | (3,009 | ) |  | (6,447 | )
Rental income | 1,369 |  |  | 1,321 |  |  | 2,735 |  |  | 2,662 |
| $ | 102,965 |  |  | 99,086 |  |  | $ | 180,647 |  |  | 174,128 |

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