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US Army Corps of Engineers ®. Water Supply at Beaver Lake, Arkansas Little Rock District. One Corps Serving The Army and the Nation. US Army Corps of Engineers ®. One Corps Serving The Army and the Nation. US Army Corps of Engineers ®. Beaver Lake Project.

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water supply at beaver lake arkansas little rock district

US Army Corps

of Engineers ®

Water Supply at Beaver Lake, ArkansasLittle Rock District

One Corps Serving The Army and the Nation

slide2

US Army Corps

of Engineers ®

One Corps Serving The Army and the Nation

top of inactive pool 1077 feet

US Army Corps

of Engineers ®

Beaver Lake Project

Top of Flood Pool = 1130 feet

Purpose: Flood Control

Top of Conservation Pool = 1120.43 feet

Top of Inactive Pool = 1077 feet

Purpose: Water Supply

Hydropower

Dam

One Corps Serving The Army and the Nation

beaver lake current storage allocations by percentage

US Army Corps

of Engineers ®

Beaver LakeCurrent Storage Allocations by Percentage

Current Water Supply Allocations

Storage

Beaver Water District

Original Authorization 108,000 AF

Carroll-Boone Water District 9,016 AF

Madison County Water District 3,945 AF

Benton/Washington County

Water Association 7,643 AF

TOTAL 128,604 AF

One Corps Serving The Army and the Nation

beaver lake remaining storage under chief s discretionary authority

US Army Corps

of Engineers ®

Beaver LakeRemaining Storage Under Chief’s Discretionary Authority

Total Remaining Discretionary Authority

Storage

Previous Reallocations 20,604 AF

Pending Reallocations +26,701 AF

Total Reallocations Disc. Auth. 47,305 AF

---

Total Discretionary Authority 50,000 AF

Reallocations Under Chief’s Auth. - 47,305 AF

Total Remaining Disc. Auth. 2,695 AF

One Corps Serving The Army and the Nation

beaver lake water supply customers pending reallocations congressionally directed

US Army Corps

of Engineers ®

Beaver LakeWater Supply Customers/Pending Reallocations-Congressionally Directed-

Storage

Carroll-Boone and Beaver Water Districts 31,153 AF

Beaver Trout Production Facility

21,972 AF

White River Minimum Flows +/- 37,500 AF

TOTAL 90,625 AF

These reallocations DO NOT count against the Chief’s Discretionary Authority

One Corps Serving The Army and the Nation

status of current reallocations

US Army Corps

of Engineers ®

Status ofCurrent Reallocations

Beaver Trout Production Facility

Beaver Trout Production Facility water supply reallocation draft report was completed in July 2000.

It recommended reallocating 21,972.14 acre-feet of storage from the conservation pool.

The reallocation is Congressionally authorized and does not count against the Chief’s 50,000 acre-feet discretionary authority.

Reports are being reviewed.

One Corps Serving The Army and the Nation

status of current reallocations cont d

US Army Corps

of Engineers ®

Status ofCurrent Reallocations (cont’d)

Carroll-Boone and Beaver Water Districts

This Report recommended reallocating 31,153 acre-feet from the conservation pool.

This report is being reviewed.

One Corps Serving The Army and the Nation

status of current reallocations cont d1

US Army Corps

of Engineers ®

Status ofCurrent Reallocations (cont’d)

Benton/Washington County Water Association

Request is for 15,258 acre-feet.

Report is awaiting action based on previous reports before being forwarded for review.

One Corps Serving The Army and the Nation

status of current reallocations cont d2

US Army Corps

of Engineers ®

Status ofCurrent Reallocations (cont’d)

Carroll-Boone Water District

Request is for 11,443 acre-feet of storage.

The report is being prepared at the District.

White River Minimum Flow Study

Recommendation will be to reallocate 32,200 acre-feet to 42,800 acre-feet depending on which pool is determined the most economical decision.

Study is ongoing

Draft Report is due Spring of 2003

One Corps Serving The Army and the Nation

summary

US Army Corps

of Engineers ®

Summary

Approval of current reallocation requests will practically expire Chief’s discretionary authority of 50,000 acre-feet

Future reallocations will impact flood control and hydropower to some extent

Beaver Lake has potential to provide municipal and industrial water supply needs for many years to come

Water quality in Beaver Lake is currently considered good. Potential impacts coming from non-point source and point source discharge are a concern. Activities that occur in this watershed have a direct effect on the water quality of Beaver Lake.

One Corps Serving The Army and the Nation