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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 Water-quality 1970-11-12 1970-11-12
Inorganics, Major, Metals Water-quality 1964-10-19 2021-12-03
Inorganics, Major, Non-metals Daily Values, Unit Values, Water-quality 1964-10-19 2024-11-15
Inorganics, Minor, Non-metals Water-quality 2019-11-21 2021-12-03
Inorganics, Minor, metals Water-quality 1964-10-19 2021-12-03
Microbiological Water-quality 1970-11-12 1973-02-07
Nutrient Water-quality 1964-10-19 2021-12-03
Organics, other Water-quality 1970-11-12 1973-10-03
Physical Daily Values, Unit Values, Water-quality 1964-10-01 2024-11-21
Sediment Daily Values, Water-quality 1964-11-12 1970-07-21
n/a Peak Measurements 1964-11-25 2021-08-19
n/a Site Visits 1964-09-29 2024-10-09
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01475530 is associated with a Stream in Philadelphia County, Pennsylvania. Current conditions of Discharge, Dissolved oxygen, Gage height, and more are available. Water data back to 1964 are available online.

Calibration of water-quality instrumentation is conducted exclusively by Philadelphia Water Department personnel with USGS oversight. Erroneous or missing data, resulting from instrument malfunction, are not the responsibility of USGS.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01475530 n/a
Site name
Cobbs Cr at U.S. Hghwy No. 1 at Philadelphia, PA n/a
Site type
Stream
ST
DMS latitude 395829 n/a
DMS longitude 0751649 n/a
Decimal latitude 39.9747355 n/a
Decimal longitude -75.2798924 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
Philadelphia County 101
Country US n/a
Land net location description n/a
Name of location map Lansdowne n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 120.8 feet n/a
Method altitude determined GNSS3 - Level 3 Quality Survey Grade Global Navigation Satellite System Y
Altitude accuracy .27 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Lower Delaware 02040202
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19641001 n/a
Drainage area
4.78 square miles 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 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 City of Philadelphia Water Department
City of Philadelphia Water Department
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds