Toledo Bend
Bi-State
Alliance

Page i

A COMPILATION OF INFORMATION ON THE SABINE RIVER AND TOLEDO BEND RESERVOIR -- 1992 -- REVISED APRIL 1997

These notes have been collected over a period of several years and are being made available to you in the hope that you will be more knowledgeable about the Reservoir and be active in its further development. Please feel free to make copies and share any information with others who may be able to promote the beneficial use of the lake The information contained herein has come from sources which I had to assume were accurate. If you find inaccuracies please tell me, and I will correct my files.

I have injected some personal opinions and observations which deal with personalities. No harm is intended-I only wanted to give as much view of things as I see them.

I request that you leave this cover attached to copies so that recipients may contact me to provide or request additional information and to advise me of errors.

William B. (Bill) Lewis

Sabine River Compact Administration, Louisiana 719 Oak Bluff Dr.

Many, La. 71449

(318)--586-3825

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TABLE OF CONTENTS

SABINE RIVER-------------------------------------------------------------1

TOLEDO BEND PROJECT-JOINT OPERATION--------------------------2

TOLEDO BEND RESERVOIR-----------------------------------------------4

TOLEDO BEND RESERVOIR DATA----------------------------------------5

SPILLWAY DATA-------------------------------------------------------------5

SIGNIFICANT DOCUMENTS------------------------------------------------7

POWER SALES AGREEMENT-----------------------------------------------9

GUIDE RULE CURVE--------------------------------------------------------10

SOME TECHNICAL FACTS AND FIGURES--------------------------------12

DIVERSION CANALS--------------------------------------------------------14

FLOOD CONTROL FACTORS-----------------------------------------------15

HYDROLOGIC CONDITIONS-----------------------------------------------16

PAGE 1

THE SABINE RIVER

The river rises in northern Texas just 60 miles northeast of Dallas, and flows easterly to the Texas-Louisiana border at Logansport, Louisiana and hence to the gulf of Mexico, a distance of about 515 miles.

The watershed covers about 9,756 square miles, of which about 7,190 square miles are above Toledo Bend and about 2,500 square miles are below Toledo Bend.

The watershed of the Sabine River upstream of Toledo Bend has an annual rainfall of 45 inches with extremes of a minimum of 32 inches in 1936 and a maximum of 70.7 inches in 1957.

Toledo Bend is one of three reservoirs in the portion of the Sabine shared by Louisiana. Vernon and Anacoco Reservoirs are on the Bayou Anacoco south of Toledo Bend and have a joint capacity of about 81,000 acre-feet (ac-ft).

There are currently sixteen (16) lakes above Toledo Bend in the watershed. Many are small, like the five Greenville Lakes and the four Wood County Lakes which have a total capacity of 42,965 ac-ft.

The large lakes in Texas are Lake Tawakoni (936,240 ac-ft) and Lake Fork Reservoir (675,819 ac-ft). The other lakes are Gladewater, Cherokee, Brandy Branch , Martin and Murvaul which have a combined capacity of 205,437 ac-ft.

Toledo Bend has a capacity of 4,476,000 ac-ft. (at elevation 172'msl)This is about two and one-half times the total capacity of the 16 existing Texas Lakes above Toledo Bend which have a total capacity of about 1,967,000 ac-ft.

Texas has a year 2020 Master Plan which includes provisions for two more lakes above Toledo Bend--Big Sandy (76,179 ac-ft) and Waters Bluff (525163ac-ft). The plan also includes provisions for constructing two more lakes below Toledo Bend, one at Bon Weir west of Leesville Louisiana and the other on Big Cow Creek.

Texas also has a long range plan for eight (8) additional lakes above and one below Toledo Bend.

LOUISIANA HAS NO PLANS--which seem to be typical of the officials of Louisiana. The Sabine River is the only river governed by a river authority, where every river in Texas is governed by a River Authority.

Use of the water from the river downstream is important, There are two Diversion Canals which were constructed to provide Municipal, Industrial and Irrigation water to Calcasieu Parish in Louisiana and Orange County in Texas.

Texas is planning to construct another diversion system to divert 600,000,000 gallons a day to the city of Houston. This is part of a Trans-Texas Water Program. This latter diversion is not anticipated prior to the year 2040.

A minimum flow is required to prevent salt water encroachment to the fresh water supply system of Orange County.

The flow of fresh water into the tideland marshes is vital to the existence of wildlife and fisheries.

The Sabine and Neches rivers provide the inflow into Sabine Lake, an important industrial and recreational resource of Louisiana and Texas.

PAGE 2

SABINE RIVER AUTHORITY OF LA. (SRA)

The SRA was created by ACT 261 of 1950, amended by ACT 432 of 1956 and is shown as Louisiana Revised Statutes Title 38, Section 2321 et.seq.

The voters of the State passed Amendment No, 8 to the Constitution, now shown as Article 14, Sec. 45 which ratified the creation of the SRA and gave it Constitutional Status.

In Oct 1963 the USA Federal Power Commission granted the Toledo Bend Project Joint Operation (TBJPO) authority to dam the river.

These legislative Acts, constitutional amendments and the Federal Power Commission permit define the powers, functions and responsibilities of the SRA, La. in conjunction with the SRA of Texas.

Pertinent portions of the above documents are extracted and included in the

" Official Manual of Policy, Rules, and Regulations" adopted by the Board of Commissioners of the SRA. The original manual was adopted in Aug. 1967, amended recently, and is available through the SRA Office.

The SRA, La. is governed by a Board of Commissioners composed of 13 members who are appointed by the Governor for 4 years. terms. The appointments are based on the recommendation of the senator for the Parish they represent

The number of Commissioners from each parish are: DeSoto (2), Sabine (4), Vernon (2), Beauregard (2), Calcasieu (2), and Cameron (1). They receive no salary but are compensated on a per diem and mileage basis when involved in SRA related business .

The regular meetings are held on a monthly basis at the SRA office at the Pendleton Bridge on the fourth Thursday of each month. There are a number of standing committees and these meet on an as required basis.

These committees are:

The Executive (This committee was abolished in Sept. '96)

The Water Sales and Diversion Canal

The Environmental and Parks

The day-to-day business of the SRA is under the direction of an Executive Director (Linda Sparks). There are four executives reporting to the Exec. Director.

They are:

Deputy Director--

Engineer Manager--Bart Rumsey

Director of Management and Finance--Mary Gibson

Director of Operations--Bo Baughn

PAGE 3

TOLEDO BEND PROJECT --JOINT OPERATION

( PHASE FOUR)

The first three phases of the TOLEDO BEND PROJECT p provided for and accomplished the Authorization, Planning, Funding, Acquisition of Land and Construction of the Dam and Spillway.

The Operation Agreement for Phase 4 established the Policies, Procedures, and Organizational Structure for the permanent maintenance and operation of the Project.

.The Water Supply and Hydro-electric System for Joint Operations was established and provided for the operation of the dam, spillway, power plant, and the reservoir below the 172 ft mean sea level (msl).

To provide for the independent development of the land above the 172 ft. msl there was to be an "Toledo Bend Recreational Development and Separate Facilities System". For some reason this was never implemented.

Management of the Joint Operation is by committee. There are two committees, an Executive Committee and a Technical Committee.

The Executive Committee provides a working unit for discussions of policy matters relating to the Project, eliminating the need for meetings between the two SRAs. Membership consists of two members from each Authority and one member assigned by each State from the Technical Committee.

The Technical Committee formulates and submits a plan for handling all technical and administrative matters. The committee is concerned with the day-to-day Project matters. This committee serves as the management group for the Project. All activities are approved by the Executive Committee.

There are two Supervisors, one from Texas and one from Louisiana. The Project Supervisor for Administration is from Texas and the Project Supervisor for Engineering is from Louisiana.

The Technical Committee works to a budget which is distributed by 15 Dec.

This Committee also prepares the Manuals of Policies, Rules, and Regulations.

The Organization Plan of the TBPJO Was first prepared in 1962 and was revised in 1964. Copies are available through the SRAs.

Mr. Barton Rumsey pretty much runs the Louisiana efforts in this organization. The Louisiana SRA Board Members appear to have very little understanding of the technical operations of the Project.

PAGE 4

TOLEDO BEND RESERVOIR

Toledo Bend Reservoir is jointly owned by the states of Louisiana and Texas. It was created in the 1960s at a cost of $70 million for the purpose of water supply, hydro-electric power generation, and recreation. Secondary benefits accrue to navigation through the reduction in sedimentation in the downstream navigation canals in the Orange, Texas area.

The electric power is purchased by three power companies (Gulf States Utilities, Central Louisiana Power and Light Company, and Louisiana Power and Light). Revenues from the sale of power were originally used to retire the revenue bonds and provide the principal source of income for operation of the JOINT OPERATIONS PROJECT and other SRA activities. The money is now spent on a variety of community development activities which far exceed the original scope of expenditure intents.

Historical Data

During the 1940s rapid industrial development and the changing economy emphasized the need to more fully utilize the waters of the Sabine River. In 1949 the Texas Legislature created the Sabine River Authority of Texas, and in 1950 the Louisiana Legislature created the Sabine River Authority of Louisiana. The two Authorities were charged with the duties of conserving and developing the waters of the Sabine River for beneficial purposes.

In 1955 the Authorities (under a Memorandum of Agreement) established initial engineering procedures which included the preparation of a Feasibility Report for the development of Toledo Bend Reservoir.

In 1959 the feasibility of the project was established, and the two States arranged for the financing of $30 million in hydro-electric revenue bonds. An additional $15 million was provided by each State. Louisiana acquired $15 million by diverting money from the benefits to Surviving Widows of Civil War Veterans which had accumulated under State law. Texas had to issue additional bonds for its $15 million share. The total initial funding amounted to $60 million . Subsequent funding brought the total to $70 million.

In October 1963 the USA Federal Power Commission granted the Toledo Bend Project Joint Operation permission to dam the river.

In April 1964 construction on the dam and spillway was initiated.

In 1966 closure of the earthen embankment and impoundment of water was begun.

In 1969 the Power Plant was completed and operation begun. The lake filled rapidly and reached Power Pool level that year.

In 1976 the current Guide Rule Curve was adopted

In 1985 the cost of power to the Companies became a KwHr based cost of 1.88 cents per KwHr. this rate was to be reviewed every 5 years. It went to 2.0 cents in 1991 and 2.1 cents in 1997.

TOLEDO BEND IS THE ONLY PUBLIC WATER CONSERVATION AND HYDRO-ELECTRIC POWER PROJECT TO BE UNDERTAKEN WITHOUT FEDERAL PARTICIPATION.

PAGE 5

TOLEDO BEND RESERVOIR DATA

LENGTH (DAM TO LOGANSPORT)----------------------------------------70 MILES

SURFACE AREA (AT POWER POOL LEVEL)------------------------186,000 ACRES

CAPACITY--------------------------------------------------------------4,477,000 Ac-Ft

SHORELINE----------------------------------------------------------------1,200 MILES

WATERSHED (FOR TOLEDO BEND)---------------------------------7,190 SQ. MILES

WIDTH AT WIDEST POINT----------------------------------------------------12 MILES

EVAPORATION DURING JULY, AUGUST, AND SEPT IS ABOUT 131000 AC-FT

DAM DATA

LENGTH------------------------------------------------------------------11,200 FEET

HEIGHT (ABOVE STREAM BED)-------------------------------------------172 FEET

ELEVATION OF CROWN---------------------------------------------------185 FEET

WIDTH OF CROWN----------------------------------------------------------25 FEET

THE DAM IS A ROLLED EARTH FILL WITH A SOIL-CEMENT FACING ON THE LAKE SIDE. THE EARTH FILL HAS AN IMPERVIOUS CORE TO PREVENT WATER PENETRATION.

POWER PLANT DATA

TURBINES (TWO CAPLAN TYPE) HP RATING-----------------------55,750 EACH

GENERATORS (TWO UMBRELLA TYPES) KVA RATING------------42,500 EACH

OUTPUT CAPACITY @32,000 Ac-Ft/Day-----------------------------------81,000 Kw

AVERAGE POWER GENERATED (1988 time frame)------------205,800,000 KwHrs/Yr

SPILLWAY DATA

LENGTH----------------------------------------------------------------------838 FEET

ELEVATION (TOP OF GATES)----------------------------------------175 FEET MSL

ELEVATION (SPILLWAY WEIR)--------------------------------------145 FEET MSL

LOW FLOW SLUICEWAY

ELEVATION------------------------------------------------------100 FEET MSL

OPENING----------------------------------------------------------8.33 X 12 FEET

PAGE 6

SPILLWAY (CONT.)

DESIGN LIMITS

The spillway was designed for a flood 3 1/2 times the worst flood in the history of the river. The spillway design provides for the following:

90 HOUR STORM

16 INCH RAINFALL

9 INCH RUN-OFF

PEAK IN-FLOW--------------------------------------------1,108,000 Ac-Ft/Day

PEAK OUT-FLOW------------------------------------------ 580,000 Ac-Ft/Day

VOLUME OF RUN-OFF----------------------------------------1,427,000 Ac-Ft

Spillway flows are controlled by raising the gates. Each gate will allow a flow of 1,000 cfs for each foot the gate is raised. There are eleven ( !! ) gates. Minimum flow is 5,000 cfs which is obtained by raising five gates one foot each. 5,000 cfs is equivalent to 10,000 acre-feet per day

RECORD FLOODS (BEFORE TOLEDO BEND WAS CREATED)

APRIL 1945---------------------------------------------------186,000 Ac-Ft/Day

MAY 1953-----------------------------------------------------138,000 Ac-Ft/Day

SUMMARY OF LEVELS---------------------------------------------MSL

TOP OF DAM-----------------------------------------------185 FEET

TOP OF GATES---------------------------------------------175 FEET

START OF SPILLS------------------------------------------173 FEET

TOP OF POWER POOL-------------------------------------172 FEET

BOTTOM OF POWER POOL-------------------------------162.2 FEET

DESIRED MINIMUM LEVEL--------------------------------169 FEET

DAMAGING LEVELS--------------------------------BELOW 168 FEET

The level is often allowed to reach levels of below 168 feet. At levels below 168 feet many marinas ( 31 on the Louisiana side of the reservoir) cannot use their launch ramps and lose most of their business. Lakeside residents are deprived of the use of their docks and piers and the water is to shallow in the coves to run their boats. The problem with low water levels is compounded by the fact that most coves are infested with hydrilla.

PAGE 7

SOME SIGNIFICANT DOCUMENTS

CONSTITUTIONAL AMENDMENT--1950

The Sabine River Authority of Louisiana is created and established by State Constitutional Amendment --Revised Statutes 38.2321 et: seq. in 1950.

The Authority included all the territory lying within the watershed of the river and its tributaries. Parishes included DeSoto, Sabine, Vernon, Beauregard, Calcaseau and Cameron.

SABINE RIVER COMPACT--NOV. 1951

This Compact provides for the equitable apportionment of the waters of the Sabine River within the Stateline Reach and for encouraging the development , conservation, and utilization of the waters of the Sabine River. (I am one of two members of the Sabine River Compact Administration from Louisiana.)

FEASIBILITY STUDY (FOREST AND COTTON)--NOV. 1958

This study provided the supporting justification for the

construction of Toledo Bend and has served as the "Bible" for providing background data supporting all subsequent documents.

TOLEDO BEND PROJECT JOINT OPERATIONS CONTRACT -- JULY 1961

This contract established the working and administration organization and the policies for the joint efforts of the two States.

TBPJO ORGANIZATION PLAN--APRIL 1964

This plan established the organization , policies, and responsibilities of the two States during the four phases of the PROJECT development and operation . The PROJECT is now in the OPERATION phase of the four-phase contract.

The TBPJO has regulatory authority and responsibility for the use of water for power generation, the operation of the spillway, and the maintenance of down-stream flows.

FEDERAL ENERGY REGULATORY COMMISSION LICENSE--OCT. 1963

This license authorized the construction of the dam and contains the federal guidelines and restrictions on its operation.

POWER SALES AGREEMENT--FEB. 1964

This "Agreement" between the two SRAs and the three power companies established rules for providing water for power generation and for the payment for the power produced.

Many of the provisions of the "Agreement" have since been changed, but the general framework still exists and provides the basis for the interaction between the SRAs and the power companies.

PAGE 8

BOND PROSPECTUS--1964

This document contains the specifics of the sale of bonds and the obligation of the parties involved

OPERATING GUIDE RULE CURVE--1976

This document provides the revised schedule for releasing water for power production. It has been faithfully adhered to and frequently criticized by marina owners , lake property owners, down-river land owners and many others.

OFFICIAL MANUAL OF POLICIES, RULES AND REGULATIONS--AUG.1967

This booklet provided information on the use of Toledo Bend Reservoir and spells out any restrictions. The document was revised in late 1980's Copies should be available through the SRA Office. Texas SRA has a similar document.

STUDIES CONDUCTED DURING THE LAST TWENTY-FIVE YEARS

Numerous studies have been conducted during the past history of the SRA. Many of these were of doubtful value, were not sufficiently completed, or were simply filed away for lack of anyone with the interest or responsibility for following up on them. Copies of these studies should be available for a nominal fee.

PAGE 9

THE POWER SALES AGREEMENT

This Agreement between the two State's SRAs and the three Power Companies provided for the utilization of released water for production of electrical power. In return for the power produced, the Companies would pay a fixed amount of money in return for a guaranteed minimum amount of released water. The money would be used to retire the bonds which were sold to build the Dam. There were $30,000,000 worth of bonds bearing interest of 4%

The amount of money to be paid would be $1,975,000/ Yr. for 36 years and then $1,580,000/ Yr. for 14 years. A total of 50 Years.

The Authorities would in return provide during Peaking Periods sufficient flow to generate 65,700,000 Kw-Hrs. but not more than 30,000 Kw-Hrs.in any one day. The Peaking Period includes the summer months of May through September, and the power produced was referred to as Primary Power. Except for May, these are typically very dry months.

Any additional flows during the year are considered Secondary Power and would be used by the Power Companies at no additional cost.

The SRAs own the generating station and pay the Companies $100,000/Year to operate it. In addition they pay for maintenance, repairs, training of personnel, etc. They pay $49,000/Yr.of liability insurance premiums for the Companies.

One significant agreement included was the following: "Insofar as practicable, the reservoir will be maintained above elevation 169.0 mean sea level."

The provisions of the Agreement have been changed in many ways during the past twenty years.

The release criteria which had provided for a release of enough water to maintain an average of 6,000 acre-ft./day flow at Ruliff, Tx. during the peaking period, and a flow of 3,000 acre-ft. during October-April was in 1976 supplemented by a Guide Rule Curve (see in other pages of this document).

The fixed annual payment for the power produced was changed in 1985 to a 1.88 cent per kilowatt-hour rate. This rate was increased from 1.88 cents per Kw-Hr. to 2.0 cents per Kw-hr. in April 1991 and was again increased in April of 1997 to 2.1 cents per Kw-Hr. Since the average production of power is 205,800,000 Kw-Hrs., the Companies now pay an average of $4,382,000/ Yr.. During very wet years the sale of power is very much more than this average amount.

The power produced is divided between three Companies. Gulf States Utilities (Texas) gets one-half, CLECo. and La. Power and Light each get one-fourth.

The 65,700.000 KwHrs for the summer amounts to a rate of about 18 Mega-watts. The Texas company of Gulf States Utilities gets 1/2 and the Louisiana companies of CLECo and Louisiana Power and Light each get 1/4. These Companies don't recognize this small amount of power to be overly significant.

CLECo for example, has a 1300 megawatt capacity and their 4.5 megawatt share is not worth the loss of good public relations. I mention this now because it is important in understanding the argument to change the Operating Guide Rule Curve which I will cover under the heading LAKE LEVEL CONSIDERATIONS.

PAGE 10

OPERATING GUIDE RULE CURVE (Oct. 6, 1976)

HYDRO-ELECTRIC POWER PLANT, TOLEDO BEND DAM

MONTH RESERVOIR STAGE PLANT OPERATION COMMENTS

FT. MSL

Oct. thru. Below 168.0 No Pwr. generated

Dec. Above 168.0 Up to full capacity *

January Below 168.5 No Pwr. generated

Above 168.5 Up to full capacity *

February Below 169.0 No Pwr. generated

Above 169.0 Up to full capacity *

March Below 169.5 No Pwr. generated

Above 169.5 Up to full capacity *

April Below 170.0 No Pwr. generated

Above 170.0 Up to full capacity *

May ANY STAGE Use 113,000 Ac.-Ft. (3,767Ac-Ft/Day)

0.61 Feet/Mo

Above 172.0 Up to full capacity *

June ANY STAGE Use 115,000 Ac.-Ft. (3,833Ac-Ft/DAy) 0.62 Feet/Mo

Above 172.3 Up to full capacity *

July ANY STAGE Use 270,000 Ac.Ft. (8,710Ac-Ft/Day)

1.45Feet/Mo

Above 172.5 Up to full capacity *

August ANY STAGE Use 290,000 Ac.-Ft. (9,350Ac-Ft/Day)

1.57 Feet/Mo

Above 172.0 Up to full capacity *

Sept.1-30 ANY STAGE Use 270,000 Ac.-Ft. (8,710Ac-Ft/Day)

1.45 Feet/Mo

Sept. 1-15 Above 171.0 Up to full capacity *

Sept. 16-30 Above 170.0 Up to full capacity *

Full capacity is 30,000 Ac.-Ft./ Day (930,000 Ac.-Ft./mo.). This rate will lower the lake 5.0 Ft. in one month(1.0 Ft. in 6 days).

TOTAL RELEASE AT ANY STAGE DURING MAY THRU SEPT------5.70 FEET

PAGE 11

GUIDE RULE CURVE (continued)

NOTES:

1. Maximum turbine discharge capacity is 30,000 ac-ft/day

2. Release 100 cu.ft./sec (cfs) from storage when power plant is shut down.

3. Releases will be in quantities sufficient to provide a minimum average monthly flow at Rulif, Texas of 1,500 cfs during the 7 month period of October through April and a 3,000 cfs during the 5 month period May through September.

4. When pool stage is at or above 172.5 and the inflow is greater than power plant capacity, operate spillway in accordance with "Guide on Spillway Gate Operations".

5. Authorities will notify Companies as to flow conditions in the Sabine River as required in Section 5.07 of the Power Sales Agreement.

6. Control stages set forth above are to be maintained only to the extent possible when making releases through the Power Plant.

Spillway gates are to be opened only when stages specified in the "Guide to Spillway Gate Operation" are reached.

During prime power season when stage of Lake is near limit, maintain close watch on inflow and make releases of "secondary power" generation to avoid spillway releases, if possible. Releases to be determined based on best judgment--considering upstream conditions and stages at Rulif, and inflows below the dam.

Generating schedule to be approved by the Authorities prior to Plant operation

PAGE 12

SOME TECHNICAL FACTS AND FIGURES

AVERAGE RELEASES

FOR POWER-----------------------------------------------3,353,000 Ac-Ft

TOTAL------------------------------------------------------3,570,000 Ac-Ft

AVERAGE POWER GENERATED---------------------------206,000,000 KwHr/Yr

AVERAGE POWER SALES (1992 DATA)-------------------------- $4,120,000 / Yr.

LIMIT OF FLOW THROUGH THE TURBINES------------------16,000 Cu. Ft./Sec

32,000 Ac-Ft/Day

EVAPORATION LOSSES (JUNE THROUGH SEPT.)------------131,000Ac-Ft

1,074 Ac-Ft/day

0.078inches/day

LAKE LEVEL SURFACE CAPACITY EFFICIENCY

Ft, MSL ACRES Ac-Ft Kw-Hr/Ac-Ft

175 196300 5,043,800 -------

174 191,400 4,849,050 --------

173 186,500 4,661,000 69.2

172 181,600 4,476,051 68.1

171 176,750 4,297,776 67.4

170 171,950 4,123,426 66.3

169 167,300 3,953,801 64.8

168 162,500 3,788,900 63.4

167 158,000 3,628,651 62.6

166 153,300 3,473,000 62.6

165 --------- ---------- 61.6

164

162.2 136,000 2,923,000 58,8

SOME CONVERSIONS

Ac-Ft------43,560 CuFt

------325,870 Gals CuFt--------7.481 Gals

CuFt/Sec. (cfs)= 2.0 Ac-Ft/Day

PAGE 13

COST OF WATER ( 1992 DATA)

MANSFIELD PAPER COMPANY----------------------------11.14

CITY OF MANY-----------------------------------------------10.95

INDUSTRIES IN CALCASIEU----------------------------------7.85

POWER COMPANIES (@ 2 CENTS/KwHr)-------------------------- 0.30

MONEY, WATER, AND POWER AT EACH WATER LEVEL

LEVEL SURFACE POWER RATE POWER REVENUE

MSL Ac-Ft Kw-Hrs / Ac-Ft Mw-Hr's @ $21 / Mw-Hr.

172-173 184,050 69.2 12,735 $267,435

171-172 179,175 68.1 12,288 $258,048

170-171 174,350 67.4 11,757 $246,837

169-170 169,625 66.3 11,225 $235,725

168-169 164,900 64.8 10,670 $224,070

167-168 160,250 63.4 10,182 $213,822

166-167 155,650 62.6 9,743 $204.603

165-166 151,100 61.6 9,309 $194,489

164-165 146,650 60.9 8,193 $172,053

163-164 142,200 59.8 8,500 $178,500

162.5-163 110,680 58.5 6,470 $135,870

COMMENTS ON COST OF POWER

THE POWER COMPANIES PAY $0.021 PER KILOWATT- HOUR (KwHr) FOR HYDRO-ELECTRIC POWER TO THE SRA;s. ($21.00 / Mw-Hr.)

CLECo CAN GENERATE STEAM POWER AT $O.OI8 / KwHr AT DOLET HILLS NEAR MANSFIELD. THEY HAVE A 640 Mw CAPACITY AND ABOUT A 50 YEAR SUPPLY OF LIGNITE COAL FOR THEIR STEAM PRODUCTION. IN THAT AREA. THEY ARE PLANNING TO DOUBLE THAT 640 Mw CAPABILITY IN THE NEAR FUTURE. THEY ARE CURRENTLY USING ABOUT 200,000 TONS OF LIGNITE PER YEAR. THE POWER IS SHARED WITH SWEPCo.

PAGE 14

DIVERSION CANALS

There are two Diversion Canals that divert water from the Sabine River to Calcasieu Parish in Louisiana and to Orange County in Texas. The diversion takes place in an area almost due west of Sulphur, Louisiana, where lift pumps lift water 22 feet from inlet canals into gravity flow distribution canals. The distribution canals are built in sections, and flow from one section to another is controlled by gates which opens to let water flow into that section when the water drops below a certain level.

The water was used in municipal, industrial, and irrigation systems in the areas served and relieved the demand on ground water.

The designed capacity of the canals was based on the projected growth in population, industry, and agriculture into the year 2010. This expected growth has not been realized, and the canals are currently operating at about 20% of their capacity.

The Louisiana canal is about 27 miles long and is fed by three 50,000 gallon per minute (gpm) pumps. Usually only one pump is on line at a time, and there is an ongoing effort to get additional industry in the area to buy the water.

The Texas canal is about 75 miles long and has a pumping capacity of 250,000 gpm. This canal is realizing only about 20% utilization of that capacity.

The capacities of the pumps expressed in acre-feet/day are:

Texas 1,111 ac-ft/day

Louisiana 667 ac-ft/day

Total 1,777 ac-ft/day

The total capacity is often used as an excuse to release water during the summer months. Even allowing for a 35% flow loss and 100% utilization these canals would require a release of 2,400 ac-ft/day

There is action underway in Texas to build another diversion system in the same general area to divert water to the city of Houston. The amount of water to be diverted is about 600,000,000 gallons per day (1,852 ac-ft/day) and would require a release of 2,500 ac-ft/day. The need is assumed to be in the year 2040 and would lower the lake about 1.5 feet during the summer months of May through September. During our usually dry summers this additional amount of drop in level could very significant to people living on the lake. The action is scheduled so far into the future, it is causing very little concern among the SRA commissioners.

PAGE 15

FLOOD CONTROL FACTORS

There is serious concern about the possibility of flooding down stream of Toledo Bend and precautions to prevent the occurrence is a significant effort of the engineers operating the Power Plant and the Spillway.

Some of the influencing factors involved in the determining of releases are:

Lake Stage

Predicted Inflow to the Lake

Current Flow at Ruliff, Tx.

Flow From the Watershed Downstream

Travel Time and Hydrograph

Weather Forecast Downstream and Upstream

Travel Time to Ruliff Gage Station

Time Since Release Percent of Release Reaching Ruliff

1 day 0

2 day 33

3 day 50

4 day 17

5 day 0

The water being released would begin to reach Ruliff the second day and peak out on the third day.

Weather Forecast for the upper watershed Anticipated Impact at Ruliff

scattered showers 200 cfs

20% chance of rain 1,000 cfs

50 % '' " " 4,000 cfs

80 % " " " 8,000 cfs

Extensive Rainfall 15,000 cfs

Major Front 25,000 cfs

Tropical Storm 50,000 cfs

Hurricane 100,000 cfs

Spillway Design 290,000 cfs

Max Flow Prior to Toledo Bend 121,000 cfs

Max Flow Since Toledo Bend 84,000 cfs

PAGE 16

HYDROLOGIC CONDITIONS ( Rainfall estimated from a few gauge stations)

Upper part of basin 40.68 inches annual average (above Toledo Bend)

Mid part of basin 50.5 inches annual average (Logansport to Dam)

Lower part of basin 56.95 inches annual average (below Toledo Bend dam)

I have found that trying to figure the total average water produced over the watershed by using these rainfall data is not possible.

Example: Above Toledo Bend 7,190 sq. miles

@ 640 acres/sq. mile

40 inches of rainfall (annual average)= 3.33 ft.

7,190*640*3.33=15,323,328. ac-ft

The average total releases from Toledo Bend is only 3,570,000 ac-ft. There is not enough possible retention of water in the watershed or other diversions from Toledo Bend to account for the difference.