Lloydell dam
Lloydell
Lloydell, a gravity dam completed in 1906, is located in Adams Township, Cambria County, Pennsylvania. This dam primarily serves as a water supply structure for the surrounding area, with a storage capacity of 719 acre-feet and a normal storage level of 635 acre-feet. Situated on the South Fork Little Conemaugh River, Lloydell has a height of 43 feet and a length of 700 feet, making it a significant feature in the region's water resource management.
Managed by the Pennsylvania Department of Environmental Protection, Lloydell is regulated, permitted, inspected, and enforced by state authorities to ensure its safety and functionality. Despite being classified as having a high hazard potential, the dam's condition assessment is deemed fair as of the last inspection in September 2020. With a surface area of 42 acres and serving a drainage area of 8 square miles, Lloydell plays a crucial role in water supply and flood control in the region, highlighting the importance of proper maintenance and monitoring for climate and water resource enthusiasts.
As a key infrastructure in the Baltimore District overseen by the Pennsylvania state agency, Lloydell's significance extends beyond its structural attributes. It stands as a testament to the intersection of water resource management, climate resilience, and regulatory oversight in safeguarding communities against the risks associated with dam failures. The dam's history, purpose, and operational parameters make it a compelling subject for those interested in the intricate relationship between water resources and climate adaptation strategies, showcasing the ongoing efforts to balance water supply needs with safety and environmental considerations in the face of changing climate patterns.
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 Lloydell -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Little Conemaugh River At East Conemaugh | 97 cfs | → |
| Stonycreek River At Ferndale | 316 cfs | → |
| Conemaugh River At Minersville | 645 cfs | → |
| Dunning Creek At Belden | 48 cfs | → |
| Raystown Branch Juniata River At Wolfsburg | 920 cfs | → |
| Conemaugh River At Seward | 581 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lloydell.
Boat launches
- Beaverdam Run Reservoir
- Wilmore Dam
- Baumer St. River Wall
- Greenhouse Park
- Power St. River Wall
- Lake Rowena
Campgrounds
- Blue Knob State Park
- Adams Croyle
- Stefan's Campsite
- Lorain Borough Park
- Nanty Glo Municipal Park
- Shawnee State Park
Fishing spots
Paddle runs
Track Lloydell 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 Lloydell
Where does the data for Lloydell 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 High 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 Lloydell.