5.3.15  LaSalle County Water Supply Plan

Table 5.3.15-1 lists each water user group in LaSalle County and their corresponding surplus or shortage in years 2030 and 2050.  For each water user group with a projected shortage, or need, a water supply plan has been developed and is presented in the following subsections.

Table 5.3.15-1.
LaSalle County Surplus/Shortage

Water User Group

Surplus/Shortage1

Comment

2030
(acft/yr)

2050
(acft/yr)

City of Cotulla

278

208

Projected surplus

City of Encinal

53

60

Projected surplus

Rural Area Residential and Commercial

6

5

Projected surplus

Industrial

0

0

No projected demand

Steam-Electric Power

0

0

No projected demand

Mining

0

0

No projected demand

Irrigation

0

0

No projected surplus/shortage

Livestock

0

0

No projected surplus/shortage

1    From Table 4-15, Section 4.1 – Water Needs Projections by Water User Group.

5.3.15.1   City of Cotulla

The City of Cotulla is projected to have adequate water supplies available from the Carrizo Aquifer to meet the city’s projected demand during the planning period.

Working within the planning criteria established by the SCTRWPG and the TWDB, it is recommended that the City of Cotulla implement the following water supply plan
(Table 5.3.15-2).

·        Municipal demand reduction (conservation) to be implemented in 2000.  This project can provide an additional 70 acft/yr beginning in year 2000, increasing to 83 acft/yr of supply in 2050 (See Section 6, Supplement 2 and Volume III, Section 1.1).

Table 5.3.15-2.
Recommended Water Supply Plan for the City of Cotulla

 

2000 (acft/yr)

2010 (acft/yr)

2020 (acft/yr)

2030
(acft/yr)

2040
(acft/yr)

2050
 (acft/yr)

Projected Need (Shortage)

0

0

0

0

0

0

Recommended Plan

 

 

 

 

 

 

Demand Reduction (Conservation) (L-10 Mun)

70

74

78

43

81

83

Total New Supply

70

74

78

43

81

83

 

The costs of the recommended plan for the City of Cotulla are shown in Table 5.3.15-3.

Table 5.3.15-3.
Recommended Plan Costs by Decade for the City of Cotulla

Plan Element

2000

2010

2020

2030

2040

2050

Demand Reduction (Conservation) (L-10 Mun)

 

 

 

 

 

 

Annual Cost ($/yr)

$19,268

$19,268

$19,268

$4,868

$4,868

$4,868

Unit Cost ($/acft)

$275

$260

$247

$113

$60

$59

 

5.3.15.2   City of Encinal

The City of Encinal is projected to have adequate water supplies available from the Carrizo Aquifer to meet the city’s projected demand during the planning period.

Working within the planning criteria established by the SCTRWPG and the TWDB,
it is recommended that the City of Encinal implement the following water supply plan (Table 5.3.15-4).

·        Municipal demand reduction (conservation) to be implemented in 2000.  This project can provide an additional 6 acft/yr beginning year 2000, decreasing to 0 acft/yr of supply in 2030.  (See Section 6, Supplement 2 and Volume III, Section 1.1).

Table 5.3.15-4.
Recommended Water Supply Plan for the City of Encinal

 

2000 (acft/yr)

2010 (acft/yr)

2020 (acft/yr)

2030
(acft/yr)

2040
(acft/yr)

2050
 (acft/yr)

Projected Need (Shortage)

0

0

0

0

0

0

Recommended Plan

 

 

 

 

 

 

Demand Reduction (Conservation) (L-10 Mun)

6

6

6

0

0

0

Total New Supply

6

6

6

0

0

0

The costs of the recommended plan for the City of Encinal are shown in Table 5.3.15-5.

Table 5.3.15-5.
Recommended Plan Costs by Decade for the City of Encinal

Plan Element

2000

2010

2020

2030

2040

2050

Demand Reduction (Conservation) (L-10 Mun)

 

 

 

 

 

 

Annual Cost ($/yr)

$2,400

$2,400

$2,400

$0

$0

$0

Unit Cost ($/acft)

$400

$400

$400

$0

$0

$0

 

5.3.15.3   Rural Area Residential and Commercial

The rural area of LaSalle County is projected to have adequate water supplies available from the Carrizo Aquifer, Sparta Aquifer, and Queen City Aquifer to meet the water user group’s projected demand during the planning period.

5.3.15.4   Industrial

There is no projected industrial water demand in LaSalle County, therefore no water management strategies are recommended for this water user group.

5.3.15.5   Steam-Electric Power

There is no projected steam-electric power water demand in LaSalle County, therefore no water management strategies are recommended for this water user group.

5.3.15.6   Mining

There is no projected mining water demand in LaSalle County, therefore no water management strategies are recommended for this water user group.

5.3.15.7   Irrigation

Irrigation is projected to have adequate water supplies available from the Carrizo Aquifer, Sparta Aquifer, Queen City Aquifer, and run-of-river rights to meet the water user group’s projected demand during the planning period.

5.3.15.8   Livestock

Livestock is projected to have adequate water supplies available from local sources to meet the water user group’s projected demand during the planning period.