Willow Creek Wtrshd Site A-1 dam
Willow Creek Wtrshd Site A-1
Willow Creek Watershed Site A-1, located in Henrietta, Missouri, is a vital structure designed by the USDA NRCS to manage flood risk in the area. This earth dam, completed in 1975, stands at a height of 42 feet and has a hydraulic height of 40.5 feet. It has a storage capacity of 2000 acre-feet and serves the primary purpose of flood risk reduction for the Willow Creek river.
With a drainage area of 3295 acres, Willow Creek Wtrshd Site A-1 has a spillway type of "Controlled" with a width of 120 feet. The dam's hazard potential is rated as "High," but its condition assessment is deemed "Satisfactory." The structure has undergone inspections, with the last one conducted in January 2017. Despite its high risk potential, the dam's risk management measures, emergency action plan, and inundation maps status are not explicitly mentioned in the data.
Overall, Willow Creek Watershed Site A-1 plays a crucial role in protecting the surrounding community from flooding events. The structure's design, construction, and regulatory oversight ensure that it functions effectively in reducing the risk of inundation and safeguarding the area's water resources. Its location, specifications, and history make it a noteworthy site for water resource and climate enthusiasts interested in flood management infrastructure.
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 Willow Creek Wtrshd Site A-1 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Crooked River Near Richmond | 47 cfs | → |
| Little Blue River Near Lake City | 216 cfs | → |
| East Fork Little Blue River Nr Blue Springs | 10 cfs | → |
| Missouri River At Waverly | 72,300 cfs | → |
| Wakenda Creek At Carrollton | 59 cfs | → |
| Blue River At Stadium Drive In Kc | 170 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Willow Creek Wtrshd Site A-1.
Boat launches
- Lexington
- Mo 210 Ray County
- Clay County
- Paved Bicycle Lake Trail Clay County
- Raum Road Ray County
- Odessa Lake Road Lafayette County
Track Willow Creek Wtrshd Site A-1 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 Willow Creek Wtrshd Site A-1
Where does the data for Willow Creek Wtrshd Site A-1 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 Willow Creek Wtrshd Site A-1.