Dam Report

Lcra Inks Dam dam

Texas, USA Colorado River Hazard Not Available
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Dam height
97ft
Hazard rating
Not Available
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Lcra Inks Dam -- None dam
Lcra Inks Dam None · Colorado River
About this dam

Lcra Inks Dam

Lcra Inks Dam, located in Marble Falls, Texas, is a vital structure on the Colorado River with a primary purpose of hydroelectric power generation. Built in 1938, this gravity dam stands at a height of 96.5 feet and has a storage capacity of 63,500 acre-feet, serving as a crucial water resource for the region. The dam also offers recreational opportunities, making it a popular destination for water and climate enthusiasts alike.

Managed by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ), Lcra Inks Dam undergoes regular inspections to ensure its structural integrity and safety. With a satisfactory condition assessment as of September 2017, the dam is deemed to be in good shape for continued operation. The surrounding area boasts a surface area of 803 acres and a drainage area of 32,076 acres, highlighting the importance of this dam in managing water resources and mitigating flood risks in the region.

With a rich history of providing hydroelectric power and recreational opportunities, Lcra Inks Dam stands as a testament to effective water resource management in Texas. Its impressive structure, efficient operations, and regulatory oversight contribute to the overall resilience of the region's water infrastructure. For water and climate enthusiasts, this dam serves as a fascinating example of sustainable water management practices and the importance of maintaining critical infrastructure for future generations.

StateNone
River / streamColorado River
NID IDTX00988
Owner typeLocal Government
Primary purposeHydroelectric
Dam typeGravity
Year built1938
Dam height97 ft
Dam length1,550 ft
Max storage63,500 AF
Normal storage17,540 AF
Surface area803.0 ac
Drainage area32,076.0 sq mi
Hazard potentialNot Available
ConditionSatisfactory
Last inspectionWed, 07 Dec 2016 00:00:00 GMT

Dam data reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
Poor
A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Detailed forecast

Plan around the weather

Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Lcra Inks Dam -- inflows here typically show up in storage 24-72 hours later.

Track Lcra Inks Dam in the Snoflo app

Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.

FAQ

About Lcra Inks Dam

Where does the data for Lcra Inks Dam come from?

Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.

How often is the report updated?

NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.

What does the Not Available hazard rating mean?

The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.

What's "% of normal"?

The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).

Can I get alerts when storage crosses a threshold?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.