| Flood Impacts |
| 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. |
