Dam Report

Sister Grove Creek Ws Scs Site 32 Dam dam

Texas, USA East Prong Sister Grove Creek Hazard Not Available
Today high
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Tonight low
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Dam height
25ft
Hazard rating
Not Available
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Sister Grove Creek Ws Scs Site 32 Dam -- None dam
Sister Grove Creek Ws Scs Site 32 Dam None · East Prong Sister Grove Creek
About this dam

Sister Grove Creek Ws Scs Site 32 Dam

Sister Grove Creek WS SCS Site 32 Dam, located in Grayson County, Texas, stands as a testament to effective flood risk reduction measures implemented by the USDA NRCS in 1959. This earth dam with a height of 25 feet and a length of 1292 feet plays a crucial role in controlling the flow of the East Prong Sister Grove Creek during heavy rainfall events. With a storage capacity of 1406 acre-feet and a drainage area of 3.55 square miles, the dam helps mitigate flooding and ensures the safety of the surrounding communities.

The dam features an uncontrolled spillway with a width of 102 feet and two uncontrolled outlet gates. Despite being classified as having a fair condition assessment as of April 2021, the dam poses a moderate risk level due to its age and potential hazards. Regular inspections and maintenance efforts are essential to ensure the continued effectiveness and safety of the dam. As a state-regulated structure under the jurisdiction of TCEQ, the dam is subject to permitting, inspection, and enforcement measures to uphold its functionality and protect the environment.

As water resource and climate enthusiasts marvel at the engineering marvel that is Sister Grove Creek WS SCS Site 32 Dam, they can appreciate its role in safeguarding communities from flooding events. The structured management of the dam, including its emergency action plan and risk assessment, underscores the commitment to public safety and environmental stewardship. With a rich history of flood risk reduction and water management, this dam serves as a vital infrastructure piece in the region's water resource management efforts.

StateNone
River / streamEast Prong Sister Grove Creek
NID IDTX02087
Owner typeLocal Government
Primary purposeFlood Risk Reduction
Dam typeEarth
Year built1959
Dam height25 ft
Dam length1,292 ft
Max storage1,406 AF
Normal storage284 AF
Surface area30.0 ac
Drainage area3.6 sq mi
Hazard potentialNot Available
ConditionFair
Last inspectionWed, 24 May 2017 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 Sister Grove Creek Ws Scs Site 32 Dam -- inflows here typically show up in storage 24-72 hours later.

Track Sister Grove Creek Ws Scs Site 32 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 Sister Grove Creek Ws Scs Site 32 Dam

Where does the data for Sister Grove Creek Ws Scs Site 32 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.