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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 2016-08-02 2016-08-02
Information Water-quality 1993-09-03 2016-08-02
Inorganics, Major, Metals Water-quality 1956-05-04 2016-08-02
Inorganics, Major, Non-metals Water-quality 1956-05-04 2016-08-02
Inorganics, Minor, Non-metals Water-quality 1993-09-03 2016-08-02
Inorganics, Minor, metals Water-quality 1956-05-04 2016-08-02
Nutrient Water-quality 1956-05-04 2016-08-02
Organics, PCBs Water-quality 1993-09-03 1994-08-03
Organics, other Water-quality 1993-09-03 2016-08-02
Organics, pesticide Water-quality 1993-09-03 2016-08-01
Physical Daily Values, Unit Values, Water-quality 1940-10-01 2024-11-21
Radiochemistry Water-quality 1993-09-03 2016-08-02
Sediment Water-quality 1993-09-03 2016-08-02
Stable Isotopes Water-quality 2016-07-25 2016-08-02
n/a Peak Measurements 1938-09-01 2023-04-23
n/a Site Visits 1942-12-02 2024-10-15
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01121000 is associated with a Stream in Windham County, Connecticut. Current conditions of Discharge and Gage height are available. Water data back to 1938 are available online.

The elevation of this gage is 334.84 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 334.84 feet to gage height values.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01121000 n/a
Site name
MOUNT HOPE RIVER NEAR WARRENVILLE, CT n/a
Site type
Stream
ST
DMS latitude 415037 n/a
DMS longitude 0721010 n/a
Decimal latitude 41.84359288 n/a
Decimal longitude -72.1689462 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
Windham County 015
Country US n/a
Land net location description n/a
Name of location map SPRING HILL, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 334.84 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
Shetucket 01100002
Drainage basin
n/a
Topographic setting
Stream channel
C
Flags for instruments at site YNNNYNNNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19400701 n/a
Drainage area
28.6 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 q40400100 n/a