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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 414804072391801 CT HWY I-91 STA 215 HARTFORD, CT
Capitol Planning Region County, Connecticut
Hydrologic Unit Code 010802050502
Latitude  41°48'03.8", Longitude  72°39'17.9" NAD83
Gage datum 16.0 feet above NAVD88
Output formats
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HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
0042021-06-11 12:31ESTYesKS, PWusgs0.37700.46 0.10Good NONE1MainunknQFLUM 0.3770 FIRMLDGEEVENSTDYEVENSTNDATGA
0032021-06-11 11:56ESTYesKS, PWusgs0.20100.32 0.12Good NONE1MainunknQFLUM 0.2010 FIRMLDGEEVENSTDYEVENSTNDATGA
0022021-06-11 11:40ESTYesKS, PWusgs0.16900.30 0.13Good NONE1MainunknQFLUM 0.1690 FIRMLDGEEVENSTDYEVENSTNDATGA
0012021-06-11 11:11ESTYesKS, PWusgs0.09300.20 1.30Poor NONE1MainunknQFLUM 0.0930 FIRMLDGEEVENSTDYEVENUNFMATGA