Lewis Dam 3714 dam
Lewis Dam 3714
Lewis Dam 3714, located in Riverton, Nebraska, is a privately owned structure built in 1960 for the primary purpose of flood risk reduction along TR-LOHFF Creek. This earth dam stands at a height of 13.1 feet and has a storage capacity of 54.5 acre-feet, with a normal storage level of 28.1 acre-feet. Despite its low hazard potential, the dam's condition assessment in 2017 was reported as poor, highlighting the need for potential maintenance or rehabilitation efforts in the future.
Managed by the Nebraska Department of Natural Resources, Lewis Dam 3714 spans 400 feet in length and covers a surface area of 8.6 acres, serving as a crucial infrastructure for water resource management in the region. The dam is subject to state regulation and inspection, with enforcement measures in place to ensure its structural integrity and public safety. While the dam has not undergone significant modifications over the years, its last inspection in 2017 emphasized the importance of regular monitoring and maintenance to address any potential risks associated with its condition.
With its strategic location and essential role in flood risk mitigation, Lewis Dam 3714 serves as a key asset in protecting the surrounding Franklin County community from potential water-related disasters. As climate change continues to impact weather patterns and water resources, the dam's significance in managing floodwaters and ensuring water security for the region becomes increasingly vital. Ongoing monitoring, maintenance, and potential upgrades will be crucial to enhancing the dam's effectiveness and resilience in the face of evolving environmental challenges.
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 Lewis Dam 3714 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Republican River At Guide Rock | 2 cfs | → |
| White Rock C Nr Burr Oak | 1 cfs | → |
| Nf Solomon R At Portis | 17 cfs | → |
| Prairie Dog C Nr Woodruff | · | → |
| Nf Solomon R At Glade | 4 cfs | → |
| Republican River Near Orleans | 38 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lewis Dam 3714.
Boat launches
- Harlan - Cedar Point Ramp
- Harlan - Gremlin Cove
- Hunter Cove - Low Water Ramp
- Patterson Harbor
- Methodist Cove
- Harlan - Alma Boat Ramp
Campgrounds
- South Park Municipal Campground
- Smith Center Roadside Area
- South Outlet - Harlan County Lake
- North Outlet - Harlan County Lake
- Gremlin Cove - Harlan County Lake
- Patterson Harbor Marina Campground
Fishing spots
Track Lewis Dam 3714 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 Lewis Dam 3714
Where does the data for Lewis Dam 3714 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 Lewis Dam 3714.