Lower Diehl Lake Dam dam
Lower Diehl Lake Dam
Lower Diehl Lake Dam, located in Mahoning, Ohio, is a privately owned earth dam completed in 1930 with a primary purpose of recreation. Situated on the West Branch Meander Creek, this dam stands at a height of 26.6 feet and has a storage capacity of 55.9 acre-feet. With a surface area of 4.4 acres and a drainage area of 7.03 square miles, this dam plays a crucial role in water management and recreational activities in the area.
Managed by the Department of Natural Resources in Ohio, Lower Diehl Lake Dam has a low hazard potential and is rated in fair condition as of the last assessment in 2016. Despite its age, this dam continues to serve its purpose effectively, providing opportunities for boating, fishing, and wildlife observation in the surrounding area. With regular inspections and state regulation in place, the dam ensures the safety of nearby communities while preserving the natural beauty of the environment.
For water resource and climate enthusiasts, Lower Diehl Lake Dam represents a harmonious blend of human intervention and environmental conservation. By balancing the needs of recreation with responsible water management practices, this dam serves as a testament to the importance of sustainable infrastructure in maintaining the delicate balance of ecosystems. As climate change continues to impact water resources, the role of dams like Lower Diehl Lake Dam becomes even more crucial in adapting to and mitigating the effects of a changing climate.
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 Lower Diehl Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Mahoning River Bl Berlin Dam Nr Berlin Center Oh | 159 cfs | → |
| Mahoning River At Pricetown Oh | 286 cfs | → |
| Mahoning River Below West Ave At Youngstown Oh | 462 cfs | → |
| West Branch Mahoning River At Wayland Oh | 36 cfs | → |
| Mahoning River At Leavittsburg Oh | 334 cfs | → |
| Mahoning River At Lowellville Oh | 609 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lower Diehl Lake Dam.
Boat launches
- Lake Milton State Park - Robinson Point Ramp
- Berlin Lake Boat Ramp
- Lake Milton State Park Ramp
- West Ramp
- Bessemer Lake
- West Branch State Park - Fishermans Lot
Campgrounds
- Mill Creek - Berlin Reservoir
- Guilford Lake State Park
- West Branch State Park
- Mosquito Lake State Park
- Beaver Creek State Park
- Camp Asbury
Fishing spots
Paddle runs
Track Lower Diehl 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 Lower Diehl Lake Dam
Where does the data for Lower Diehl 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 Lower Diehl Lake Dam.