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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
Biological Water-quality 1975-04-07 1975-04-07
Information Water-quality 1975-04-07 2024-02-15
Inorganics, Major, Metals Water-quality 1971-03-16 2023-08-23
Inorganics, Major, Non-metals Water-quality 1971-03-16 2024-02-15
Inorganics, Minor, Non-metals Water-quality 1972-01-07 2023-08-23
Inorganics, Minor, metals Water-quality 1972-01-07 2023-08-23
Microbiological Water-quality 1971-03-16 2024-02-15
Nutrient Water-quality 1971-03-16 2023-05-10
Organics, PCBs Water-quality 1974-12-02 1978-06-01
Organics, other Water-quality 1971-09-28 2023-08-23
Organics, pesticide Water-quality 1974-12-02 2021-11-09
Physical Daily Values, Unit Values, Water-quality 1970-10-06 2024-11-21
Population/Community Water-quality 1975-04-07 1975-04-07
Radiochemistry Water-quality 1980-09-15 1981-07-15
Sediment Water-quality 1970-10-06 1982-01-05
n/a Peak Measurements 1970-06-17 2022-11-05
n/a Site Visits 1988-02-08 2024-10-30
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 50049100 is associated with a Stream in San Juan Municipio, Puerto Rico. Current conditions of Discharge and Gage height are available. Water data back to 1970 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
50049100 n/a
Site name
RIO PIEDRAS AT HATO REY, PR n/a
Site type
Stream
ST
DMS latitude 182434.38 n/a
DMS longitude 0660409.60 n/a
Decimal latitude 18.4075533 n/a
Decimal longitude -66.06894369 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
Puerto Rico 72
State
Puerto Rico 72
County
San Juan Municipio 127
Country US n/a
Land net location description n/a
Name of location map SAN JUAN n/a
Scale of location map 20000 n/a
Altitude of Gage/land surface 16.4 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 3 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
21010005
Drainage basin
10 n/a
Topographic setting
Stream channel
C
Flags for instruments at site YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19851128 n/a
Drainage area
15.2 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation AST n/a
Site honors Daylight Saving Time
N 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 PR454300100 n/a