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 |
2050 |
||
|
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 |
2040
|
2050 |
|
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 |
$59 |
5.3.15.2 City of Encinal
The City of Encinal is projected to have adequate water supplies available from the Carrizo Aquifer to meet the city’s projected demand during the planning period.
Working within the planning criteria established by
the SCTRWPG and the TWDB,
it is recommended that the City of Encinal implement the following water supply
plan (Table 5.3.15-4).
· Municipal demand reduction (conservation) to be implemented in 2000. This project can provide an additional 6 acft/yr beginning year 2000, decreasing to 0 acft/yr of supply in 2030. (See Section 6, Supplement 2 and Volume III, Section 1.1).
Table 5.3.15-4.
Recommended Water Supply Plan for the City of Encinal
|
|
2000
(acft/yr) |
2010
(acft/yr) |
2020
(acft/yr) |
2030 |
2040
|
2050 |
|
Projected Need (Shortage) |
0 |
0 |
0 |
0 |
0 |
0 |
|
Recommended Plan |
|
|
|
|
|
|
|
Demand Reduction (Conservation) (L-10 Mun) |
6 |
6 |
6 |
0 |
0 |
0 |
|
Total New Supply |
6 |
6 |
6 |
0 |
0 |
0 |
The costs of the recommended plan for the City of Encinal are shown in Table 5.3.15-5.
Table 5.3.15-5.
Recommended Plan Costs by Decade for the City of Encinal
|
Plan
Element |
2000 |
2010 |
2020 |
2030 |
2040 |
2050 |
|
Demand Reduction
(Conservation) (L-10 Mun) |
|
|
|
|
|
|
|
Annual Cost ($/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.