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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

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 2024-11-22
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 2024-11-22
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 2024-11-22
n/a Peak Measurements 1972-12-22 1992-12-11
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01477050 is associated with a Stream in Delaware County, Pennsylvania. Current conditions of Dissolved oxygen, Nitrate plus nitrite, Specific conductance, 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

Operated in cooperation with:

logo for Delaware River Basin Commission
Delaware River Basin Commission
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds
logo for USGS - Next Generation Water Observing System
USGS - Next Generation Water Observing System