Dd No 40 dam
Dd No 40
Dd No 40, located in Greenwood County, Kansas, is a local government-owned earth dam that was completed in 1978 for flood risk reduction. This dam has a height of 36 feet and a storage capacity of 513 acre-feet, with a normal storage level of 65.58 acre-feet. The dam covers a surface area of 11.9 acres and serves a drainage area of 1.5 square miles.
Despite its low hazard potential, Dd No 40 is regulated by the Kansas Department of Agriculture and undergoes regular state inspection, permitting, and enforcement. The dam is equipped with an uncontrolled spillway that is 40 feet wide, and there are no outlet gates or associated structures. While the condition assessment of the dam is currently listed as "Not Rated," it is considered to have a moderate risk level (3) according to the available data.
Overall, Dd No 40 plays a crucial role in mitigating flood risks in the region and highlights the importance of maintaining and monitoring infrastructure for water resource management and climate resilience. Its location, design, and purpose underscore the collaborative efforts between local government agencies and state regulatory bodies to safeguard communities and infrastructure from potential water-related hazards.
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 Dd No 40 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Verdigris R Nr Virgil | 1,830 cfs | → |
| Otter C At Climax | 13 cfs | → |
| Cottonwood R Nr Plymouth | 876 cfs | → |
| Neosho R At Burlington | 1,340 cfs | → |
| Neosho R Nr Americus | 829 cfs | → |
| Cedar C Nr Cedar Point | 36 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Dd No 40.
Campgrounds
- West Wingwall - John Redmond Reservoir
- Toronto Point - Cross Timbers State Park
- Manns Cove - Cross Timbers State Park
- Holliday Hill - Cross Timbers State Park
- Hickory Creek West - John Redmond Reservoir
- Kelley City Park
Fishing spots
- Chase State Fishing Lake
- El Dorado East Park Pond
- Butler State Lake
- Council Grove Reservoir
- Augusta City Lake
More reservoirs
Track Dd No 40 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 Dd No 40
Where does the data for Dd No 40 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 Low 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 Dd No 40.