Delaware River at Chester PA - 01477050
Scale
Continuous data
Delaware River at Chester PA - 01477050
Subscribe to WaterAlert April 6, 2025 - April 13, 2025
Temperature, water, degrees Celsius
10.4 deg C (50.7 deg F) - Apr 13, 2025 12:30:00 PM EDT
Important Data may be provisional
Value
Status
Time
Latest value
10.4 deg C
Provisional
Apr 13, 2025
12:30:00 PM EDT
Selected
10.4 deg C
Provisional
Apr 13, 2025
12:30:00 PM EDT
Compare
Add last year's data to graph
Median
Showing data on graph
Statistics for April 13, 2025 based on 52 years of data
Temperature, water, °C
low (1982)
7.7 deg C
25th percentile
10.5 deg C
median
11.3 deg C
75th percentile
12.5 deg C
mean
11.3 deg C
high (2010)
15.0 deg C
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
15 data types available - data from 2007-10-01 to 2025-04-13
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Depth of sensor below water surface, feet Lower AT500, [Depth of Sensor - LOWER]
2022-04-14 - 2024-02-06
Depth of sensor below water surface, feet Middle AT500, [Depth of Sensor - MIDDLE]
2022-04-14 - 2024-02-06
Depth of sensor below water surface, feet Upper AT500, [Depth of Sensor - UPPER]
2022-04-14 - 2024-02-06
Dissolved oxygen, water, unfiltered, milligrams per liter
2007-10-01 - 2025-04-13
Dissolved oxygen, water, unfiltered, percent of saturation
2016-06-29 - 2025-04-13
Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen [EcoN]
2024-02-06 - 2025-03-21
pH, water, unfiltered, field, standard units
2007-10-01 - 2025-04-13
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
2007-10-01 - 2025-04-13
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius Lower AT500, [Specific Conductivity - LOWER]
2022-04-14 - 2024-02-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius Middle AT500, [Specific Conductivity - MIDDLE]
2022-04-14 - 2024-02-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius Upper AT500, [Specific Conductivity - UPPER]
2022-04-14 - 2024-02-06
Temperature, water, degrees Celsius
2007-10-01 - 2025-04-13
Temperature, water, degrees Celsius Lower AT500, [Water Temperature - LOWER]
2022-04-14 - 2024-02-06
Temperature, water, degrees Celsius Middle AT500, [Water Temperature - MIDDLE]
2022-04-14 - 2024-02-06
Temperature, water, degrees Celsius Upper AT500, [Water Temperature - UPPER]
2022-04-14 - 2024-02-06
Daily data
5 data types available - data from 1961-12-21 to 2025-04-12
Field measurements
0 data types available
Discrete sample data
92 Observed properties (data types) available - with data from 1966-12-12 to 2025-03-26
760 Sampling activities
- Monitoring Location
- Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Information | Unit Values, Water-quality | 1978-07-12 | 2024-02-06 |
| Inorganics, Major, Metals | Water-quality | 1966-12-12 | 1979-04-28 |
| Inorganics, Major, Non-metals | Daily Values, Unit Values, Water-quality | 1961-12-27 | 2025-04-13 |
| Inorganics, Minor, Non-metals | Water-quality | 1978-07-12 | 1979-04-28 |
| Inorganics, Minor, metals | Water-quality | 1978-07-12 | 1979-04-28 |
| Microbiological | Water-quality | 1991-11-13 | 1991-11-13 |
| Nutrient | Unit Values, Water-quality | 1966-12-12 | 2025-03-21 |
| Organics, PCBs | Water-quality | 1979-04-28 | 1979-04-28 |
| Organics, other | Water-quality | 1978-04-25 | 2020-10-20 |
| Organics, pesticide | Water-quality | 1979-04-28 | 1979-04-28 |
| Physical | Daily Values, Unit Values, Water-quality | 1961-12-21 | 2025-04-13 |
| n/a | Peak Measurements | 1972-12-22 | 1992-12-11 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2024-01-01 |
Monitoring location 01477050 is associated with a Stream in Delaware County, Pennsylvania. Current conditions of Dissolved oxygen, Specific conductance, Temperature, and more are available. Water data back to 1961 are available online.
Prior to April 1981 sampling site located at auxiliary tidal-gaging station at the end of Reynolds Aluminum Company pier, 0.5 mi downstream from Chester Creek in Chester (latitude 39`50'12", longitude 75`22'00"); prior to April 2016, located at pumphouse on Kimberly Clark property, 400 ft upstream from Chester Creek. Data collection discontinued during winter months. Other interruptions in the record were due to malfunctions of the instrumentation.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
01477050 | n/a |
|
Site name
|
DELAWARE RIVER AT CHESTER PA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 395012 | n/a |
| DMS longitude | 0752200 | n/a |
| Decimal latitude | 39.83677934 | n/a |
| Decimal longitude | -75.36630199 | n/a |
|
Latitude-longitude method
|
Interpolated from MAP. | M |
|
Latitude-longitude accuracy
|
Accurate to + or - 1 sec. | S |
|
Latitude-longitude datum
|
North American Datum of 1927 | NAD27 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
Pennsylvania | 42 |
|
State
|
Pennsylvania | 42 |
|
County
|
Delaware County | 045 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | Bridgeport | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 0.00 feet | n/a |
| Method altitude determined | Level or other surveyed method. | L |
| Altitude accuracy | .01 feet | n/a |
|
Altitude datum
|
National Geodetic Vertical Datum of 1929 | NGVD29 |
|
Subbasin hydrologic unit
|
Lower Delaware | 02040202 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | NNNNNNYNNNNNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
10300.00 square miles | n/a |
| Contributing drainage area | 10300.00 square miles | n/a |
| Time Zone abbreviation | EST | n/a |
|
Site honors Daylight Saving Time
|
Y | n/a |
|
Data reliability
|
n/a | |
| Data-other GW files | NNNNNNNN | 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 |
