Theilen Pond Dam 1 dam
Theilen Pond Dam 1
Theilen Pond Dam 1, located in Sangamon County, Illinois, is a privately owned earth dam designed by USDA NRCS and completed in 1977. The dam, standing at a height of 21 feet and stretching 400 feet in length, serves multiple purposes including fire protection, stock, and small fish pond management. It has a storage capacity of 81 acre-feet and a drainage area of 0.19 square miles, with a spillway width of 20 feet for uncontrolled discharge.
This dam on TR-Lick Creek is regulated by the Illinois Department of Natural Resources and undergoes state inspections, permitting, and enforcement. While the hazard potential is currently undetermined, a moderate risk assessment rating has been assigned to Theilen Pond Dam 1. With its location in Springfield and the involvement of federal agencies like the Natural Resources Conservation Service in its design, this dam is a significant piece of infrastructure for water resource management in the area.
For water resource and climate enthusiasts, Theilen Pond Dam 1 presents an intriguing case study in dam construction and management. Its design and purposes offer valuable insights into how private owners and government agencies collaborate to address various water-related needs, while the risk assessment underscores the importance of ongoing monitoring and maintenance for the safety and efficiency of such structures. As climate change continues to impact water resources, understanding the role of dams like Theilen Pond Dam 1 becomes increasingly crucial for sustainable water management practices.
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 Theilen Pond Dam 1 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Spring Creek At Springfield | 176 cfs | → |
| South Fork Sangamon River Nr Rochester | 742 cfs | → |
| Sangamon River At Riverton | 1,760 cfs | → |
| Sangamon River At Petersburg | 2,120 cfs | → |
| Lake Fork Near Cornland | 152 cfs | → |
| Salt Creek Near Greenview | 987 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Theilen Pond Dam 1.
Boat launches
- Island Bay Lane Springfield
- East Lake Shore Drive 182, Springfield
- Christian County
- Waverly Lake Road Morgan County
- Gridley Road Cass County
- County Highway 11 Cass County
Track Theilen Pond Dam 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 Theilen Pond Dam 1
Where does the data for Theilen Pond Dam 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 Undetermined 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 Theilen Pond Dam 1.