Little Elm And Laterals Ws Scs Site 18a Dam dam
Little Elm And Laterals Ws Scs Site 18a Dam
The Little Elm and Laterals WS SCS Site 18a Dam, located in Collin County, Texas, serves as a vital flood risk reduction structure along the TR-Little Elm Creek. Built in 1970 by the USDA NRCS, this earth dam stands at a height of 38 feet and stretches 1446 feet in length. With a storage capacity of 779 acre-feet, it provides essential flood protection for the surrounding area.
Managed by the local government and regulated by the Texas Commission on Environmental Quality (TCEQ), the dam is regularly inspected to ensure its structural integrity and overall condition. Despite being classified as fair in its last assessment in 2015, the dam has a moderate risk rating of 3 due to its age and potential hazards. The spillway width of 102 feet allows for controlled water release during periods of high discharge, reducing the risk of overflow and downstream flooding.
With a history of modifications in 2008 and a designated emergency action plan, the Little Elm and Laterals WS SCS Site 18a Dam remains a crucial piece of infrastructure for flood management in the region. Its strategic design and maintenance efforts underscore the importance of proactive water resource management in mitigating climate-related risks and protecting communities from potential disasters.
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.
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.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
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.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Little Elm And Laterals Ws Scs Site 18a Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Little Elm Ck Nr Aubrey | 2 cfs | → |
| Doe Br At Us Hwy 380 Nr Prosper | 9 cfs | → |
| Range Ck Nr Collinsville | · | → |
| Wilson Ck Dws Of Hwy 75 At Mckinney | 12 cfs | → |
| E Fk Trinity Rv Nr Mckinney | 19 cfs | → |
| Elm Fk Trinity Rv At Greenbelt Nr Pilot Point | 34 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Little Elm And Laterals Ws Scs Site 18a Dam.
Boat launches
- Denton County
- Fairview Circle Denton County
- Blue Sky Drive The Colony
- Big Sandy Boat Ramp
- Fm 1190 Denton County
- Jones Road Denton County
Campgrounds
- Constellation Park Campsite #2
- Constellation Park Campsite #3
- Constellation Park Campsite #1
- Constellation Park Campsite #4
- Erwin Park - Mckinney
- Isle Du Bois - Roberts Lake State Park
Fishing spots
Track Little Elm And Laterals Ws Scs Site 18a 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.
About Little Elm And Laterals Ws Scs Site 18a Dam
Where does the data for Little Elm And Laterals Ws Scs Site 18a 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.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Little Elm And Laterals Ws Scs Site 18a Dam.