5.3.4 Calhoun County Water Supply Plan
Table 5.3.4-1 lists each water user group in Calhoun 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 5.3.4-1.
Calhoun County Surplus/Shortage
|
Water
User Group |
Surplus/Shortage1 |
Comment |
|
|
2030 |
2050 |
||
|
City of Point Comfort |
18 |
2 |
Projected surplus |
|
City of Port Lavaca |
-852 |
-1,093 |
Projected shortage – see plan below |
|
City of Seadrift |
169 |
127 |
Projected surplus |
|
Rural Area Residential and Commercial |
3,241 |
2,689 |
Projected surplus |
|
Industrial |
48,917 |
28,199 |
Projected surplus |
|
Steam-Electric Power |
0 |
0 |
No projected surplus/shortage |
|
Mining |
0 |
0 |
No projected surplus/shortage |
|
Irrigation |
13,849 |
16,494 |
Projected surplus |
|
Livestock |
0 |
0 |
No projected surplus/shortage |
|
1From
Table 4-4, Section 4.1 – Water Needs Projections by Water User
Group. |
|||
5.3.4.1 City of Point Comfort
The City of Point Comfort is projected to have adequate water supplies available from Lake Texana 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 Point Comfort implement the following water supply plan (Table 5.3.4-2).
§ Municipal demand reduction (conservation) to be implemented in 2000. This project can provide an additional 9 acft/yr beginning in year 2000, decreasing to 0 acft/yr of supply in 2030 (See Section 6, Supplement 2 and Volume III, Section 1.1).
Table 5.3.4-2.
Recommended Water Supply Plan for the City of Point Comfort
|
|
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) |
9 |
9 |
9 |
0 |
0 |
0 |
|
Total New Supply |
9 |
9 |
9 |
0 |
0 |
0 |
The costs of the recommended plan for the City of Point Comfort are shown in Table 5.3.4-3.
Table 5.3.4-3.
Recommended Plan Costs by Decade for the City of Point Comfort
|
Plan
Element |
2000 |
2010 |
2020 |
2030 |
2040 |
2050 |
|
Demand Reduction
(Conservation) (L-10 Mun) |
|
|
|
|
|
|
|
Annual Cost ($/yr) |
$3,724 |
$3,724 |
$3,724 |
$0 |
$0 |
$0 |
|
Unit Cost ($/acft) |
$414 |
$414 |
$414 |
$0 |
$0 |
$0 |
5.3.4.2 City of Port Lavaca
The City of Port Lavaca’s current water supply is obtained from Canyon Reservoir and run-of-river rights. The City of Port Lavaca is projected to need additional water supplies beginning in the planning year 2010. The following options were considered to meet the city’s projected need:
§ GBRA Canyon Reservoir Contract Renewal
Working within the planning criteria established by the SCTRWPG and the TWDB, it is recommended that the City of Port Lavaca implement the following water supply plan to meet the projected need for the city (Table 5.3.4-4).
§ Municipal demand reduction (conservation) to be implemented in 2000. This project can provide an additional 107 acft/yr beginning in year 2000, decreasing to 0 acft/yr of supply in 2030 (See Section 6, Supplement 2 and Volume III, Section 1.1).
§ GBRA Canyon Reservoir Contract Renewal to be implemented in 2008. This project can provide an additional 1,500 acft/yr of supply.
Table 5.3.4-4.
Recommended Water Supply Plan for the City of Port Lavaca
|
|
2000
(acft/yr) |
2010
(acft/yr) |
2020
(acft/yr) |
2030
(acft/yr) |
2040
(acft/yr) |
2050
(acft/yr) |
|
Projected Need (Shortage) |
0 |
769 |
758 |
852 |
969 |
1,093 |
|
Recommended Plan |
|
|
|
|
|
|
|
Demand Reduction (Conservation) (L-10 Mun) |
107 |
107 |
107 |
0 |
0 |
0 |
|
GBRA Canyon Reservoir Contract Renewal |
|
1,500 |
1,500 |
1,500 |
1,500 |
1,500 |
|
Total New Supply |
107 |
1,607 |
1,607 |
1,500 |
1,500 |
1,500 |
The costs of the recommended plan to meet the City of Port Lavaca’s projected need are shown in Table 5.3.4-5.
Table 5.3.4-5.
Recommended Plan Costs by Decade for the City of Port Lavaca
|
Plan
Element |
2000 |
2010 |
2020 |
2030 |
2040 |
2050 |
|
Demand Reduction
(Conservation) (L-10 Mun) |
|
|
|
|
|
|
|
Annual Cost ($/yr) |
$44,278 |
$44,278 |
$44,278 |
$0 |
$0 |
$0 |
|
Unit Cost ($/acft) |
$414 |
$414 |
$414 |
$0 |
$0 |
$0 |
|
GBRA Canyon Reservoir
Contract Renewal |
|
|
|
|
|
|
|
Annual Cost ($/yr) |
|
N/A1 |
N/A1 |
N/A1 |
N/A1 |
N/A1 |
|
Unit Cost ($/acft) |
|
N/A1 |
N/A1 |
N/A1 |
N/A1 |
N/A1 |
|
1 As
this is a renewal of an existing contract the cost to renew this contract was
not included. |
||||||
5.3.4.3 City of Seadrift
The City of Seadrift is projected to have adequate water supplies available from the Gulf Coast 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 Seadrift implement the following water
supply plan
(Table 5.3.4-6).
§ Municipal demand reduction (conservation) to be implemented in 2000. This project can provide an additional 13 acft/yr beginning in year 2000, decreasing to 0 acft/yr of supply in 2030 (See Section 6, Supplement 2 and Volume III, Section 1.1).
Table 5.3.4-6.
Recommended Water Supply Plan for the City of Seadrift
|
|
2000
(acft/yr) |
2010
(acft/yr) |
2020
(acft/yr) |
2030 |
2040
|
2050 |
|
Projected Need (Shortage) |
0 |
0 |
0 |
0 |
0 |
0 |
|
Recommended Plan |
|
|
|
|
|