|
Management Strategy |
Quantity (acft/yr)1 |
Reliability2 |
Unit Cost ($/acft)3 |
Environmental Factors |
Impacts on Water Resources |
Impacts on Agricultural and Natural Resources |
Other Relevant Factors per SCTRWPG |
|
Municipal
Demand Reduction (Conservation) (L-10
Mun.) |
44,566 |
Firm |
$173 |
·
None. Supply developed through demand reduction. |
·
Slight
reductions in treated effluent discharge. |
·
Fewer
water management strategies necessary to meet projected needs. |
·
Conservation
is a central element of the Plan. |
|
Irrigation
Demand Reduction (Conservation) w/ Transfer (L-10 Irr.) |
27,314 |
Firm |
$36 |
·
None. Supply developed through demand reduction. |
·
Reductions
in springflow due to relocation of pumpage closer to springs. |
·
Installation
of LEPA systems on 53 percent of applicable acreage in Uvalde, Medina, &
Bexar. |
·
Consistent
with conservation focus of Plan. |
|
Irrigation
Demand Reduction (Conservation) (L-10 Irr.) |
28,903 |
Firm |
$77 |
·
None. Supply developed through conservation. |
·
More
efficient use of limited water resources. |
·
Potential
to irrigate more acres using less water. |
·
Recommended
to offset projected irrigation needs (shortages) in six counties. |
|
Edwards
Irrigation Transfers (L-15) |
42,686 |
Firm |
$80 |
·
None. Supply developed without new facilities. |
·
Reductions
in springflow due to relocation of pumpage closer to springs. |
·
Plan
includes 53 percent of potential maximum voluntary transfer through lease or
purchase. |
·
Encourages
beneficial use of available rights. |
|
Edwards
Recharge – Type 2 Projects (L-18a) |
21,577 |
Firm |
$1,087 |
·
Concerns
with endangered & threatened species, habitat, and TPWD Ecologically
Unique Stream Segments at some sites. ·
Enhanced
springflows help endangered species. |
·
Limited,
as most projects are located on streams that are frequently dry. ·
Increased
aquifer levels and springflows. |
·
Typically
higher aquifer levels in Uvalde & Medina Counties. |
·
Positive
effects on discharges from Comal and San Marcos Springs. ·
Mitigation
of impacts on firm yield of Choke Canyon Res. / Lake Corpus Christi System. |
|
Canyon
Reservoir – River Diversion (G-15C) |
15,700 |
Firm |
$743 |