Union-Lancster Wat Sup Dm dam
Union-Lancster Wat Sup Dm
Union-Lancaster Wat Sup Dm, located in Lancaster, South Carolina, is a crucial water supply dam along the Catawba River. Completed in 1992, this Earth-type dam stands at a height of 65 feet and has a length of 830 feet, providing a storage capacity of 389 acre-feet. Despite its low hazard potential and fair condition assessment, this dam is regulated and inspected by the South Carolina Department of Health and Environmental Control to ensure its safety and functionality for water supply purposes.
Owned by the local government, Union-Lancaster Wat Sup Dm plays a vital role in providing water to the surrounding communities. It is designed with a buttress core type and is equipped with outlet gates for water release. The dam's emergency action plan, last revised in 2011, ensures preparedness for potential risks and emergencies, although the risk assessment and management measures are currently unspecified. With its close monitoring and regulatory oversight, Union-Lancaster Wat Sup Dm stands as a reliable infrastructure for water resource management in the region.
As water resource and climate enthusiasts, it is important to recognize the significance of Union-Lancaster Wat Sup Dm in sustaining water supply and ensuring community resilience. By understanding its design, operation, and regulatory framework, we can appreciate the efforts made to manage and maintain this essential infrastructure. With its capacity to store and provide water, this dam serves as a key component in the water supply system, contributing to the sustainable management of water resources in Lancaster, South Carolina, and beyond.
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 Union-Lancster Wat Sup Dm -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Catawba River Below Catawba | 1,340 cfs | → |
| Waxhaw Creek At Sr1103 Near Jackson | 1 cfs | → |
| Catawba River Near Rockhill | 866 cfs | → |
| Wildcat Creek Below Rock Hill | 4 cfs | → |
| Fishing Creek Below Fort Lawn | 24 cfs | → |
| Mcalpine Cr Below Mcmullen Cr Nr Pineville | 6 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Union-Lancster Wat Sup Dm.
Boat launches
- Catawba Nation Greenway Trail York County
- Waterford Trail Rock Hill
- Lancaster County
- Piedmont Medical Center Trail York County
- New Gray Rock Road Tega Cay
- Windward Drive Tega Cay
Campgrounds
- Andrew Jackson State Park
- Cane Creek Park
- Sign Language
- Ebenezer County Park
- Mcdowell Nature Preserve
- Chester State Park
Track Union-Lancster Wat Sup Dm 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 Union-Lancster Wat Sup Dm
Where does the data for Union-Lancster Wat Sup Dm 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 Union-Lancster Wat Sup Dm.