Table 5.2-24
Construction or Operational Activities of Water Management Strategies Potentially Affecting Ecologically Unique River and Stream Segments

 

Option

Unique Segments Affected

Types of Impacts 

 

SCTN-1a

No impact

 

 

SCTN-2a

No impact

 

 

SCTN-3c

Comal and Colorado Rivers

xing, xing

 

SCTN-4

No impact

 

 

SCTN-5

No impact

 

 

SCTN-16

Lower Guadalupe River

rdsxu

 

G-15C

Geronimo Creek and Guadalupe River

xing, lds

 

G-24

Blanco River

xing

 

L-10

No impact

 

 

L-15

No impact

 

 

L-18a

Blanco, Frio, Sabinal, and Nueces Rivers

rcp, rci, rci, rcp

 

CZ-10C

Guadalupe River

gw

 

CZ-10D

Geronimo Creek, Guadalupe River

Xing, gw

 

LCRA Colorado River Diversions

Colorado River in Bastrop Co.

cdrdsx

 

LCRA Colorado River Diversions

Colorado River in Matagorda Co.

cdrdsx

 

SAWS Recycle

No impact

 

 

Trinity Aquifer Bexar

No impact

 

 

LCRA Colorado River Diversions

West Caranchahua and Garcitas Creeks, Lower Guadalupe and Colorado Rivers

Rd, xing, xing, xing

** Key to Table Entries

rci - recharge dam; median daily flow <0, intermittent impoundment

rcp - recharge dam; median daily flow >0, perennial impoundment

cd – channel dam; diversion pool only

ld – reservoir diversion

rd – river diversion

  s=stored water, x=existing run of river rights, u=unappropriated flow, ( )=tributary impoundments

xing-Pipeline crossing

gw – groundwater withdrawals with a significant effect on streamflow

rfp – reduced flood peaks from upstream dam operation

1 Diversion at Lake Dunlap

2 Diversion at Gonzales