Table 5.1-1.  South Central Texas Regional Water Plan

Water Supply Option Summary Sorted by Unit Cost*

 

Notes:

*This is the list of stand alone options as presented in Volume III.  As these options were fitted into the Regional Water Plan, the quantities were reduced in some cases, and the costs were recalculated for the quantity included in the plan.

 

 

 

 

 

 

 

Efficiency /

Quantity of

Environmental

 

Time to

Land

Count

Section

Option

Water Supply Options

Type of Water Supply Option

Type of Water Supply

Unit Cost

Water

Composite

Public

 

Implement

Impacted

No.

 

No.

 

 

 

($/acft)

(acft/yr)

Average1

Acceptability2

Reliability3

(years)

(acres)

 

 

 

Treated Water Supply Options

 

 

 

 

 

 

 

 

 

1

1.10

SCTN-17

Desalination of Brackish Groundwater

Local/Conservation/Reuse/Exchange

Treated Water Delivered

564

476

1.0

1.0

1.0

1 to 5

0

2

6.1

CZ-10C

Carrizo-Wilcox Aquifer between San Marcos and Frio Rivers (75,000 acft/yr)

Carrizo and Other Aquifers

Treated Water Distributed

590

75,000

1.1

2.0

1.0

1 to 5

429

3

6.2

CZ-10D

Carrizo-Wilcox Aquifer between Colorado and Frio Rivers

Carrizo and Other Aquifers

Treated Water Distributed

632

220,000

1.3

2.0

1.0

1 to 5

1,437

4

4.1

G-15C

Canyon Reservoir Water Released to Lake Nolte - Treated Water to Distribution System or Recharge Zone

Existing Reservoirs

Treated Water Distributed

672

15,000

1.0

1.0

1.0

1 to 5

151

5

3.3

C-17A

Colorado River in Colorado County - Buy Stored Water and Irrigation Rights; Firm Yield

River Diversion with Storage

Treated Water Distributed

677

125,000

1.0

3.0

1.0

5 to 15

749

6

6.3

SCTN-3c

Simsboro Aquifer - Bastrop, Lee, and Milam Counties with Delivery to Major Municipal Demand Center

Carrizo and Other Aquifers

Treated Water Distributed

707

75,000

1.2

3.0

1.0

1 to 5

671

7

5.12

G-16C1

Cuero Reservoir - Firm Yield

Potential New Reservoirs

Treated Water Distributed

718

152,606

2.3

3.0

1.0

> 15

41,886

8

3.1

G-38C

Guadalupe River Diversion at Gonzales to Mid-Cities and/or Major Water Providers, with Regional Water Treatment Plant

River Diversion with Storage

Treated Water Delivered

736

29,217

1.0

1.0

1.0

1 to 5

644

9

3.2c

SCTN-16c

Lower Guadalupe River Diversions

River Diversion with Storage

Treated Water Distributed

755

94,000

1.4

1.0

1.0

1 to 5

2,040

10

4.4

C-13C

Colorado River at Bastrop - Purchase of Stored Water - Firm Yield

Existing Reservoirs

Treated Water Distributed

769

50,000

1.0

3.0

1.0

5 to 15

440

11

5.2b

S-15Db

Cibolo Reservoir with Imported Water from the San Antonio and Guadalupe Rivers - Firm Yield

Potential New Reservoirs

Treated Water Distributed

773

91,942

2.1

3.0

1.0

5 to 15

17,160

12

5.2a

S-15Da

Cibolo Reservoir with Imported Water from the San Antonio River - Firm Yield

Potential New Reservoirs

Treated Water Distributed

779

69,925

2.1

3.0

1.0

5 to 15

16,960

13

3.2b

SCTN-16b

Lower Guadalupe River Diversions

River Diversion with Storage

Treated Water Distributed

788

74,000

1.4

1.0

1.0

1 to 5

1,886

14

5.4

S-16C

Goliad Reservoir - Firm Yield

Potential New Reservoirs

Treated Water Distributed

856

99,687

2.4

3.0

1.0

> 15

28,272

15

5.11

G-17C1

Sandies Creek Reservoir - Firm Yield

Potential New Reservoirs

Treated Water Distributed

865

80,836

2.4

3.0

1.0

> 15

27,240

16

4.3b

SCTN-14b

Joint Development of Water Supply with Corpus Christi - Firm Yield

Existing Reservoirs

Treated Water Distributed

869

148,200

1.4

1.0

1.0

1 to 5

958

17

3.2a

SCTN-16a

Lower Guadalupe River Diversions