Lake Lahweeno Dam dam
Lake Lahweeno Dam
Lake Lahweeno Dam, located in Callaway County, Missouri, is a private earth dam primarily used for recreation purposes. Constructed in 1972 by designer J. Larry Hubbard, this 46-foot tall structure spans 670 feet and has a storage capacity of 848 acre-feet. Situated on TR-Cow Creek, the dam serves as a popular spot for outdoor enthusiasts seeking water-based activities in the picturesque surroundings of Fulton.
Despite its high hazard potential, Lake Lahweeno Dam has been deemed to be in satisfactory condition, with the last inspection conducted in October 2015. The dam features an uncontrolled spillway with a width of 130 feet and has a drainage area of 760 square miles. With a surface area of 45 acres and a normal storage capacity of 537 acre-feet, the dam offers a serene retreat for visitors seeking a peaceful escape in the heart of Missouri.
Managed by the DAM AND RESERVOIR SAFETY PROG in Missouri, Lake Lahweeno Dam is regulated, permitted, inspected, and enforced by the state to ensure the safety of its surrounding community. With a moderate risk assessment rating, the dam's operational measures and emergency action plan preparations are continuously monitored to mitigate potential risks and safeguard the area from any unexpected events. As a vital water resource in the region, Lake Lahweeno Dam serves as a significant asset for both recreation and environmental conservation efforts.
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 Lake Lahweeno Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Missouri River At Hermann | 133,000 cfs | → |
| Missouri River At Jefferson City | 102,000 cfs | → |
| Maries River At Westphalia | 363 cfs | → |
| Gasconade River Near Rich Fountain | 1,710 cfs | → |
| Moreau River Near Jefferson City | 6,210 cfs | → |
| Hinkson Creek At Columbia | 195 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lake Lahweeno Dam.
Track Lake Lahweeno 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 Lake Lahweeno Dam
Where does the data for Lake Lahweeno 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 High 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 Lake Lahweeno Dam.