Upper San Marcos River Ws Scs Site 1

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyHays
Nearest CitySAN MARCOS
River/StreamSINK CREEK
Coordinates29.91893, -97.97381

Physical Characteristics

Dam TypeEarth
NID Height80 ft
Dam Height80 ft
Dam Length2,905 ft
Year Completed1983 (43 years old)

Storage & Hydraulics

NID Storage18,399 acre-ft
Max Storage18,399 acre-ft
Normal Storage304 acre-ft
Surface Area25 acres
Drainage Area33 sq mi
Max Discharge76,927 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF SAN MARCOS;HAYS COUNTY;HAYS COUNTY SWCD;UPPER SAN MARCOS WS RECL FCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/13/2020
Emergency Action PlanYes

Identifiers

NID IDTX05945
Federal IDTX05945
More InfoState Dam Safety Program

Nearby Dams

Upper San Marcos River Ws Scs Site 2 1.2 mi High Upper San Marcos River Ws Scs Site 3 1.9 mi High Centerpoint Dam 2.5 mi Low Aquarena Dam 3.1 mi Significant Upper San Marcos River Ws Nrcs Site 5 Dam 3.5 mi High Rio Vista Dam 3.7 mi Low Upper San Marcos River Ws Scs Site 4 4.2 mi High Hays County Park Lake Dam 4.6 mi Low San Marcos State Fish Hatchery 4.7 mi Significant Sycamore Creek Dam 5.1 mi Low