2026 Regional Water Plan Hydrologic Assumptions

Region A

• Region A Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region A

Region B

• Region B Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region B
• Region B Revised Hydrologic Variance Request
• TWDB Approved Revised Hydrologic Assumptions for Region B

Region C

• Region C Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region C

Region D

• Region D Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region D

Region E

• Region E Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region E

Region F

• Region F Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region F

Region G

• Region G Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region G

Region H

• Region H Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region H
• Region H MAG Peak Factor Request
• TWDB MAG Peak Factor Approval for Region H

Region I

• Region I Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region I

Region J

• Region J Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region J

Region K

• Region K Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region K

Region L

• Region L Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region L

Region N

• Region N Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region N

Region M

• Region M Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region M

Region O

• Region O Hydrologic Variance Request
• TWDB Approved Hydrologic Assumptions for Region O