Inez Lake Dam dam
Inez Lake Dam
Inez Lake Dam, located in St. Clair, Illinois, is a private dam situated on TRIB RICHLAND CREEK with a primary purpose of recreation. The dam stands at a height of 23 feet and stretches for 305 feet, making it a significant structure for water resource and climate enthusiasts to explore. While the dam's condition assessment is not available and its hazard potential is deemed significant, its risk assessment is moderate, with a risk level of 3 out of 5.
Managed by the Illinois Department of Natural Resources (IDNR), Inez Lake Dam is subject to state regulation, permitting, inspection, and enforcement. Although the dam has no associated federal agencies for ownership, funding, design, construction, regulatory oversight, inspections, or operations, it remains a key recreational feature in the area. The dam's spillway type is categorized as uncontrolled, with a spillway width of 0, and it does not have any outlet gates or locks.
With a captivating location in Swansea, Illinois, Inez Lake Dam offers a unique opportunity for water resource and climate enthusiasts to study a privately owned earth dam with a buttress core type. While the dam's storage capacity and drainage area are not specified, its presence on TRIB RICHLAND CREEK adds to the diversity of water infrastructure in the region. As a significant structure with a history dating back to an unknown completion year, Inez Lake Dam presents a blend of recreational value and environmental considerations for those interested in the intersection of water management and climate resilience.
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 Inez Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Silver Creek Near Freeburg | 146 cfs | → |
| Mississippi River At St. Louis | 253,000 cfs | → |
| Judys Branch At Rte 157 At Glen Carbon | 0 cfs | → |
| Silver Creek Near Troy | 52 cfs | → |
| Richland Creek Near Hecker | 53 cfs | → |
| Kaskaskia River At New Athens | 8,690 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Inez Lake Dam.
Track Inez Lake Dam 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 Inez Lake Dam
Where does the data for Inez Lake Dam 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 Significant 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 Inez Lake Dam.