Rock Lake Dam dam
Rock Lake Dam
Rock Lake Dam, also known as Downing City Lake Dam, is a local government-owned structure located in Crawford, Missouri. Completed in 1968, this rockfill dam serves primarily for recreation purposes, with additional functions including water supply. The dam stands at a height of 36 feet and has a length of 800 feet, with a storage capacity of 315 acre-feet and a surface area of 17 acres.
Managed by the DAM AND RESERVOIR SAFETY PROG, the dam is regulated, permitted, inspected, and enforced by the state of Missouri. Despite being classified as having a low hazard potential and a satisfactory condition assessment, a moderate risk assessment rating has been assigned to the dam. The last inspection took place in June 2017, with a scheduled inspection frequency of 5 years. The dam's emergency action plan status and risk management measures are currently unspecified.
Situated on the TR-NORTH FABIUS RIVER, Rock Lake Dam plays a crucial role in the water resource management of the area. With its scenic surroundings and recreational opportunities, the dam serves as a popular destination for water and climate enthusiasts alike, highlighting the intersection of human engineering and natural beauty in the heart of Schuyler County, Missouri.
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 Rock Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Chariton River At Livonia | 45 cfs | → |
| Fox River At Bloomfield | 7 cfs | → |
| Chariton River Near Moulton | 64 cfs | → |
| Chariton River At Novinger | 173 cfs | → |
| Des Moines River At Keosauqua | 7,750 cfs | → |
| Des Moines River At Ottumwa | 7,480 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Rock Lake Dam.
⚓ Boat launches
- Lake Showme Drive Scotland County
- Us 136 Schuyler County
- Jersey Avenue Van Buren County
- See Road Scotland County
- Van Buren County
- Cliffland Road Wapello County
Track Rock 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 Rock Lake Dam
Where does the data for Rock 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 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 Rock Lake Dam.