Peterson Lake Dam dam
Peterson Lake Dam
Peterson Lake Dam, located in Lonoke, Arkansas, was completed in 1950 and serves primarily for irrigation purposes. This private earth dam stands at a hydraulic height of 10 feet and spans a length of 1,100 feet. With a maximum storage capacity of 700 acre-feet and a normal storage level of 600 acre-feet, the dam covers a surface area of 163.7 acres within a drainage area of 0.68 square miles.
Managed by the Vicksburg District of the US Army Corps of Engineers, Peterson Lake Dam has a low hazard potential and its condition is currently not rated. While the dam has not been inspected recently, it is noteworthy for its role in regulating the flow of Bayou Two Prairie-TR. The dam's emergency action plan and risk assessment measures remain unreported, indicating potential areas for improvement in terms of safety and contingency planning.
Overall, Peterson Lake Dam stands as a vital infrastructure for irrigation in the region, yet its maintenance and emergency preparedness could benefit from increased attention. With its location in Lonoke County, Arkansas, and oversight from the Vicksburg District, continued monitoring and evaluation of the dam's structural integrity and safety protocols are essential for ensuring the long-term sustainability of water resources in the area.
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 Peterson Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Bayou Meto Near Lonoke | 46 cfs | → |
| White River At Devalls Bluff | 10,800 cfs | → |
| Cache River Near Cotton Plant | 120 cfs | → |
| White River At Georgetown | 10,500 cfs | → |
| Rock Creek At 36th Street At Little Rock | 16 cfs | → |
| White River Near Augusta | 9,630 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Peterson Lake Dam.
Track Peterson 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 Peterson Lake Dam
Where does the data for Peterson 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 Peterson Lake Dam.