Dd No 109 dam
Dd No 109
Dd No 109, located in Cottonwood Falls, Kansas, is a local government-owned earth dam designed primarily for flood risk reduction on Diamond Creek. Completed in 2010 by Central Kansas Engineering Consultants and King & Associates, this structure stands at a height of 29 feet and spans 865 feet in length. With a storage capacity of 305 acre-feet, it serves to protect the surrounding area from potential flooding events with a maximum discharge rate of 2940 cubic feet per second.
Maintained by the Kansas Department of Agriculture, Dd No 109 is regulated, permitted, inspected, and enforced by state agencies to ensure its structural integrity and operational effectiveness. Despite having a low hazard potential, the dam is rated as moderate in terms of risk assessment, indicating a need for ongoing monitoring and management. With a spillway width of 100 feet and no outlet gates, the dam is equipped to handle excess water flow during heavy rainfall, mitigating the impact of potential flooding on downstream areas.
As a crucial infrastructure for flood risk reduction in Chase County, Kansas, Dd No 109 plays a vital role in protecting the local community and environment from the adverse effects of extreme weather events. Its strategic location on Diamond Creek and efficient design by experienced engineering consultants demonstrate a commitment to water resource management and climate resilience in the region. With a focus on safety, regulation, and risk assessment, this dam serves as a testament to proactive measures taken to safeguard against potential flooding 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 Dd No 109 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Cottonwood R Nr Plymouth | 876 cfs | → |
| Neosho R At Council Grove | 11 cfs | → |
| Cottonwood R Nr Florence | 130 cfs | → |
| Cedar C Nr Cedar Point | 36 cfs | → |
| N Cottonwood R Bl Marion Lk | 9 cfs | → |
| Neosho R Nr Americus | 829 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Dd No 109.
Track Dd No 109 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 109
Where does the data for Dd No 109 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 109.