East Fork Grand River Watershed Site A-116 dam
East Fork Grand River Watershed Site A-116
Located in Ringgold County, Iowa, the East Fork Grand River Watershed Site A-116 is a key infrastructure project designed by the USDA NRCS for flood risk reduction. Completed in 2010, this earth dam stands at a height of 28 feet and spans 510 feet, providing a maximum storage capacity of 94 acre-feet. The dam serves multiple purposes including flood risk reduction, grade stabilization, and creating a fish and wildlife pond, covering a drainage area of 0.29 square miles.
Managed by the Iowa DNR, this site is crucial for maintaining the environmental balance of the tributary to the East Fork Grand River. With a low hazard potential and a condition assessment of "Not Rated," the dam is inspected regularly to ensure its effectiveness in mitigating flood risks and supporting local wildlife habitats. The surrounding area also offers recreational opportunities with a surface area of 5 acres, making it a valuable resource for both water resource management and conservation enthusiasts.
In the event of emergencies, the dam has designated emergency contacts, however, more detailed emergency action plans are yet to be fully developed. Despite this, the East Fork Grand River Watershed Site A-116 remains a vital component of the region's water resource infrastructure, showcasing the collaborative efforts between local government agencies, the USDA NRCS, and the Iowa DNR in safeguarding the community against potential flood 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 East Fork Grand River Watershed Site A-116 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Thompson River At Davis City | 8,610 cfs | → |
| East Fork 102 River At Bedford | 1 cfs | → |
| East Fork Big Creek Near Bethany | 684 cfs | → |
| One Hundred And Two River At Maryville | 3,360 cfs | → |
| Nodaway River At Clarinda | 1,670 cfs | → |
| Chariton River Near Chariton | 1,480 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near East Fork Grand River Watershed Site A-116.
Track East Fork Grand River Watershed Site A-116 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 East Fork Grand River Watershed Site A-116
Where does the data for East Fork Grand River Watershed Site A-116 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 East Fork Grand River Watershed Site A-116.