Great Falls Reservoir Tailrace BL Great Falls, SC - 021474095
The QW data at this station are operated seasonally (April 01 through November 30).
Important
Legacy real-time page
If you need the legacy system, click here. Over the next few years, the legacy pages will be completely replaced with new pages like this one.
Scale
Continuous data
Great Falls Reservoir Tailrace BL Great Falls, SC - 021474095
Subscribe to WaterAlert April 14, 2025 - April 21, 2025
Gage height, feet
281.88 ft - Apr 21, 2025 04:15:00 PM EDT
Important Data may be provisional
Gage height, feet
Recorded
Data approval period
Provisional
Value
Status
Time
Latest value
281.88 ft
Provisional
Apr 21, 2025
16:15:00 PM EDT
Selected
281.88 ft
Provisional
Apr 21, 2025
04:15:00 PM EDT
Statistics for April 21, 2025 based on 2 years of data
Gage height, ft
low (2023)
281.32 ft
25th percentile
ft
median
281.62 ft
75th percentile
ft
mean
281.62 ft
high (2024)
281.92 ft
Water data for this data type is available from 2022-04-20 to 2025-04-21
Select a date range:
mm/dd/yyyy
mm/dd/yyyy
Or
Subscribe to WaterAlert
Get notifications for changes in water conditions based on thresholds you choose. It's free to use! Notifications sent to your email or phone. Simple to create, edit and remove subscriptions using the authentication provider Login.gov -- Learn more .
Learn more about WaterAlert
View related graphs
Graph a single data type with up to the last 120 days of data for multiple monitoring locations
Link will open a new tab and prepopulate the graph with data for this monitoring location and current primary data type. Add additional locations on the Combined location graph page.
Monitoring location - show all graphs
On a single page, view graphs for all data types reporting recent data at this monitoring location
Link will open a new tab to a page with graphs for all data types, sampling methods, and sub-locations at this location returning data within a selected time span
A separate tab will open with the requested data.
All data are in RDB format.
Data are retrieved from USGS Water Data Services.
If you are an R user, use the USGS dataRetrieval package to download, analyze and plot your data
| Time | Result | Approval | Mask | Qualifiers |
|---|---|---|---|---|
| 2025-04-21T16:15:00.000-04:00 | 281.88 | Provisional | ||
| 2025-04-21T16:00:00.000-04:00 | 281.85 | Provisional | ||
| 2025-04-21T15:45:00.000-04:00 | 281.80 | Provisional | ||
| 2025-04-21T15:30:00.000-04:00 | 281.75 | Provisional | ||
| 2025-04-21T15:15:00.000-04:00 | 281.72 | Provisional | ||
| 2025-04-21T15:00:00.000-04:00 | 281.68 | Provisional | ||
| 2025-04-21T14:45:00.000-04:00 | 281.65 | Provisional | ||
| 2025-04-21T14:30:00.000-04:00 | 281.60 | Provisional | ||
| 2025-04-21T14:15:00.000-04:00 | 281.56 | Provisional | ||
| 2025-04-21T14:00:00.000-04:00 | 281.52 | Provisional | ||
| 2025-04-21T13:45:00.000-04:00 | 281.48 | Provisional | ||
| 2025-04-21T13:30:00.000-04:00 | 281.44 | Provisional | ||
| 2025-04-21T13:15:00.000-04:00 | 281.40 | Provisional | ||
| 2025-04-21T13:00:00.000-04:00 | 281.37 | Provisional | ||
| 2025-04-21T12:45:00.000-04:00 | 281.34 | Provisional | ||
| 2025-04-21T12:30:00.000-04:00 | 281.30 | Provisional |
Available data
Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories Continuous data
3 data types available - data from 2016-03-25 to 2025-04-21
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet
2022-04-20 - 2025-04-21
Dissolved oxygen, water, unfiltered, milligrams per liter
2016-03-25 - 2025-04-21
Temperature, water, degrees Celsius
2016-03-25 - 2025-04-21
Daily data
3 data types available - data from 2016-03-25 to 2025-04-20
Field measurements - Coming soon
0 data types available
Discrete sample data
0 observed properties (data types) available
Location details and information
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
021474095 | n/a |
|
Site name
|
GREAT FALLS RESERVOIR TAILRACE BL GREAT FALLS, SC | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 343328.86 | n/a |
| DMS longitude | 0805336.60 | n/a |
| Decimal latitude | 34.55801667 | n/a |
| Decimal longitude | -80.8935 | n/a |
|
Latitude-longitude method
|
Interpolated from Digital MAP. | N |
|
Latitude-longitude accuracy
|
Accurate to + or - 1 sec. | S |
|
Latitude-longitude datum
|
North American Datum of 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
South Carolina | 45 |
|
State
|
South Carolina | 45 |
|
County
|
Chester County | 023 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | GREAT FALLS | n/a |
| Scale of location map | n/a | |
| Altitude of Gage/land surface | 0.00 feet | n/a |
| Method altitude determined | GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System | X |
| Altitude accuracy | .09 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Lower Catawba | 03050103 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | YNNNYNNNNNYNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
n/a | |
| Contributing drainage area | n/a | |
| Time Zone abbreviation | EST | n/a |
|
Site honors Daylight Saving Time
|
Y | n/a |
|
Data reliability
|
n/a | |
| Data-other GW files | n/a | |
| National aquifer | n/a | |
| Local aquifer | n/a | |
|
Local aquifer type
|
n/a | |
| Well depth | n/a | |
|
Hole depth
|
n/a | |
| Source of depth data | n/a | |
| Project number | n/a |
Monitoring locations with continuous data in last 120 days
No locations found
Zoom out to see link to My Favorites
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
