The spring filling schedule for Tulloch Reservoir is provided below. The schedule complies with Army Corps of Engineers flood control constraints, and elevations are projected to lie between the low and high bands. Note that actual elevations may vary temporarily due to inflow to Tulloch during rain events, or unforeseen operational constraints.
| Dates | Elevation Range | ||
| From | Through | From | To |
| 3/24/15 | 3/30/15 | 498.6 | 501.6 |
| 3/31/15 | 4/6/15 | 499.4 | 502.4 |
| 4/7/15 | 4/13/15 | 500.2 | 503.2 |
| 4/14/15 | 4/20/15 | 501.1 | 504.1 |
| 4/21/15 | 4/27/15 | 501.9 | 504.9 |
| 4/28/15 | 5/4/15 | 502.7 | 505.7 |
| 5/5/15 | 5/11/15 | 504.3 | 507.3 |
| 5/12/15 | 5/18/15 | 504.3 | 507.3 |
| 5/19/15 | 5/25/15 | 505.1 | 508.1 |
| 5/26/15 | 6/1/15 | 506.0 | 509.0 |
| 6/2/15 | 9/15/15 | 506.5 | 509.5 |