Why can’t the Corps let out a little water to avoid a large “uncontrolled” release?

Even small releases can have major impacts to areas downstream that are already flooded. The US Army Corps of Engineers manages all of the waterways in the US. Releases from Tuttle Creek Dam are controlled by the outlet works and spillway gates, there are no "uncontrolled releases. Releases will be adjusted and recalculated around the clock. The lake is doing what it was designed to do — store flood water as long as possible until it can be safely released. 

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1. Is the evacuation advisory still in effect?
2. Is a shelter available?
3. Is there a plan for door-to-door notification of residents and what messages might they give?
4. How will I know if someone telling me to evacuate is official?
5. Should we mark our house if we evacuate early to let the emergency personnel know that we have left?
6. Why can’t the Corps let out a little water to avoid a large “uncontrolled” release?
7. How much time will the Corps give us before opening the spillway gates or increasing the water release?
8. Do I need to turn off my gas?
9. What areas were affected by the 1993 flood?
10. What is the difference between a 100-year and 500-year flood?
11. Is FEMA updating the 2015 flood maps?
12. Where can I get sand and sandbags?
13. Do you need volunteers?
14. Who can I talk to about building in the floodplain?
15. Who should I talk to learn more about flood insurance?
16. Do releases at Tuttle Creek Lake affect Wildcat Creek?
17. Will the City issue permits to rebuild or repair homes if flooding occurs?
18. Will my power be shut off?
19. What if I return to my residence and find damage?
20. Is there a curfew in place?
21. Are any roads closed?
22. What can I do about mosquitoes?