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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 1974-07-08 2022-10-17
Information Water-quality 1971-03-08 2024-02-26
Inorganics, Major, Metals Water-quality 1954-10-05 2011-04-27
Inorganics, Major, Non-metals Unit Values, Water-quality 1954-10-05 2024-02-26
Inorganics, Minor, Non-metals Water-quality 1972-07-10 1993-09-03
Inorganics, Minor, metals Water-quality 1954-10-05 2011-04-27
Microbiological Water-quality 1968-08-10 1980-09-02
Nutrient Water-quality 1954-10-05 2023-09-20
Organics, PCBs Water-quality 1972-07-10 1993-09-03
Organics, other Water-quality 1972-07-10 2023-03-15
Organics, pesticide Water-quality 1972-07-10 1993-09-03
Physical Daily Values, Unit Values, Water-quality 1930-10-01 2024-11-21
Radiochemistry Water-quality 1993-09-03 1993-09-03
Sediment Daily Values, Water-quality 1973-10-09 2023-03-15
n/a Peak Measurements 1931-03-08 2022-04-19
n/a Site Visits 1936-03-12 2024-09-13
n/a USGS Annual Water Data Reports Site 2006-01-01 2022-01-01
Water Data for the Nation inventory

Monitoring location 01127500 is associated with a Stream in New London County, Connecticut. Current conditions of Discharge and Gage height are available. Water data back to 1930 are available online.

The elevation of this gage is 93.52 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 93.52 feet to gage height values.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01127500 n/a
Site name
YANTIC RIVER AT YANTIC, CT n/a
Site type
Stream
ST
DMS latitude 413331 n/a
DMS longitude 0720719 n/a
Decimal latitude 41.55859526 n/a
Decimal longitude -72.1214469 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Connecticut 09
State
Connecticut 09
County
New London County 011
Country US n/a
Land net location description n/a
Name of location map FITCHVILLE, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 93.52 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Thames 01100003
Drainage basin
n/a
Topographic setting
Stream channel
C
Flags for instruments at site NNNYYNNNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19301001 n/a
Drainage area
89.3 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 2404-00100 n/a