Skip to main content

Important for you to know:

  • Water Data for the Nation is replacing NWISweb over the next 3 years. On Thursday, December 19th at 2 PM EST / 11 AM PST, join our Teams Live Event to learn more about the NWISweb decommission. Registration is required! Register for the event here.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2021-12-11 2023-08-08
Inorganics, Major, Metals Water-quality 2021-12-11 2023-04-01
Inorganics, Major, Non-metals Water-quality 2021-12-11 2023-08-08
Inorganics, Minor, Non-metals Water-quality 2021-12-11 2023-04-01
Inorganics, Minor, metals Water-quality 2021-12-11 2023-04-01
Nutrient Water-quality 2021-12-11 2023-08-08
Organics, other Water-quality 2021-12-11 2023-04-01
Physical Unit Values, Water-quality 2021-08-17 2024-02-13
Sediment Water-quality 2021-12-11 2023-04-01
n/a Site Visits 2021-09-29 2021-09-29
Water Data for the Nation inventory

Monitoring location 411500073043801 is associated with a Storm sewer in New Haven County, Connecticut. Water data back to 2021 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
411500073043801 n/a
Site name
CT RT 15 STA 241 MILFORD, CT n/a
Site type
Storm sewer
FA-STS
DMS latitude 411500.15 n/a
DMS longitude 0730437.99 n/a
Decimal latitude 41.25004167 n/a
Decimal longitude -73.0772194 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
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 ANSONIA, CT n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 202 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 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 YNNNNNNNNNNNYNNNYNNNNNNNNNNNNN n/a
Date of first construction
20210804 n/a
Date site established or inventoried 20210804 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files 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 GC21LG00LYY n/a