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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 1974-07-23 1982-07-13
Information Water-quality 1971-03-09 2024-02-15
Inorganics, Major, Metals Water-quality 1952-05-02 2023-07-06
Inorganics, Major, Non-metals Daily Values, Unit Values, Water-quality 1952-05-02 2024-02-15
Inorganics, Minor, Non-metals Water-quality 1972-07-11 2023-07-06
Inorganics, Minor, metals Water-quality 1952-05-02 2023-07-06
Microbiological Water-quality 1968-08-07 2024-01-22
Nutrient Water-quality 1952-05-02 2023-08-21
Organics, PCBs Water-quality 1972-07-11 1976-08-19
Organics, other Water-quality 1963-01-15 2024-01-22
Organics, pesticide Water-quality 1972-07-11 1976-08-19
Physical Daily Values, Unit Values, Water-quality 1928-10-01 2024-11-21
Population/Community Water-quality 1974-10-22 1981-09-04
Radiochemistry Water-quality 1980-10-23 2023-07-06
Sediment Water-quality 1973-10-10 1994-09-12
n/a Peak Measurements 1924-04-07 2023-09-30
n/a Site Visits 1929-03-15 2024-10-18
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 01205500 is associated with a Stream in New Haven County, Connecticut. Current conditions of Discharge and Gage height are available. Water data back to 1924 are available online.

The elevation of this gage is 23.66 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 23.66 feet to gage height values.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01205500 n/a
Site name
HOUSATONIC RIVER AT STEVENSON, CT n/a
Site type
Stream
ST
DMS latitude 412301.69 n/a
DMS longitude 0730959.90 n/a
Decimal latitude 41.38380278 n/a
Decimal longitude -73.16663889 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .01 sec (Differentially-Corrected GPS). H
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Connecticut 09
State
Connecticut 09
County
New Haven County 009
Country US n/a
Land net location description n/a
Name of location map SOUTHBURY, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 23.66 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .16 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Housatonic 01100005
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNYNYNNNNNYNNYNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19280801 n/a
Drainage area
1544 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