Lewis Lake Dam dam
Lewis Lake Dam
Lewis Lake Dam, located in Lamar, Texas, serves multiple purposes, including fire protection, stock watering, and recreational activities. Built in 1973 by the USDA NRCS, this earth dam stands at a height of 22 feet and spans a length of 842 feet. It has a storage capacity of 145 acre-feet, with a normal storage level of 115 acre-feet.
The dam is situated on TR-Pine Creek and is managed by a private owner. While not regulated by the state, it undergoes regular inspections and has one outlet gate. Despite having no spillway, the dam is classified as having a high risk potential, emphasizing the importance of proper maintenance and monitoring to mitigate any potential hazards that may arise.
With its scenic location and vital role in water resource management, Lewis Lake Dam is a significant structure in the area. Its history, design, and purpose make it a focal point for water resource and climate enthusiasts interested in the intersection of human infrastructure and natural ecosystems. As efforts continue to ensure its safety and functionality, the dam remains an essential part of the local landscape and community.
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 Lewis Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Red River At Arthur City | 520 cfs | → |
| N Sulphur Rv Nr Cooper | 0 cfs | → |
| Muddy Boggy Creek Near Unger | 165 cfs | → |
| S Sulphur Rv Nr Cooper | 3 cfs | → |
| Bois D'Arc Ck At Fm 409 Nr Honey Grove | 2 cfs | → |
| Bois D'Arc Ck At Fm 1396 Nr Honey Grove | · | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lewis Lake Dam.
Boat launches
Campgrounds
- Sanders Cove Campground
- Sanders Cove - Pat Mayse Lake
- Pat Mayse East
- Pat Mayse East - Pat Mayse Lake
- Lamar Point - Pat Mayse Lake
- Pat Mayse West
Fishing spots
Paddle runs
Track Lewis Lake 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 Lewis Lake Dam
Where does the data for Lewis Lake 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 Lewis Lake Dam.