| 530.0 | Water accounting plan involving the Cities of Dallas and Grapevine and the Dallas County Park Cities Municipal Water District goes into effect. | | 520.0 | Stage 3 Municipal Utilities District (MUD) Drought Contingency Plan (30% rate surcharge; watering restrictions; pool make-up water; no new landscaping). | | 515.0 | Stage 4 Municipal Utilities District (MUD) Drought Contingency Plan (60% rate surcharge; watering prohibited). | | 505.0 | End of conservation pool. | | 500.5 | Lowest intake for the City of Grapevine has been reached. If water levels approach this level, the City of Grapevine would need to draw water from from a floodgate releases in the case of extreme low water levels to supply municipalities. | | 475.0 | Lowest gate on water intake structure for release of water. The sediment pool has been reached. |
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1) 563.50 ft on 11/01/1981
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1) 520.70 ft on 02/26/1979
2) 521.80 ft on 12/20/2006
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