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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 01211700 E BR BYRAM R AT ROUND HILL, CT.


Western Connecticut Planning Region County, Connecticut
Hydrologic Unit Code 011000060403
Latitude  41°05'56", Longitude  73°41'00" NAD27
Drainage area 1.69  square miles
Gage datum 319.0 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)
331975-07-30 -- ----YesDJPUSGS0.740.98 Good NONE1Imported Channel 1WADEunspeunkno0.744.901.120.66UNSPUNSPUNSPunknUNSPUNSPUNSP
321974-07-30 -- ----YesFGDUSGS0.820.93 Fair NONE1Imported Channel 1WADEunspeunkno0.824.500.960.86UNSPUNSPUNSPunknUNSPUNSPUNSP
311973-07-12 -- ----YesMJWUSGS1.360.99 Unspecified NONE1Imported Channel 1UNSPother 1.36 UNSPUNSPUNSPunknUNSPUNSPUNSP
301973-06-05 -- ----YesLCMUSGS3.050.63 GoodClearNONE1Imported Channel 1WADEunspeunkno3.0511.06.780.45UNSPUNSPUNSPunknUNSPUNSPUNSP
291972-09-27 -- ----YesLCMUSGS0.080.80 Good NONE1Imported Channel 1WADEunspeunkno0.082.000.230.36UNSPUNSPUNSPunknUNSPUNSPUNSP
281972-06-19 -- ----YesMPTUSGS1202.72 GoodClearNONE1Imported Channel 1UNSPother 120 UNSPUNSPUNSPunknUNSPUNSPUNSP
271971-07-29 -- ----YesLCM/FPHUSGS0.960.96 GoodClearNONE1Imported Channel 1WADEunspeunkno0.964.251.300.74UNSPUNSPUNSPunknUNSPUNSPUNSP
261970-06-26 -- ----YesLCMUSGS0.760.98 GoodClearNONE1Imported Channel 1WADEunspeunkno0.768.502.560.30UNSPUNSPUNSPunknUNSPUNSPUNSP
251969-06-18 -- ----YesLCMUSGS1.511.08 GoodClearNONE1Imported Channel 1WADEunspeunkno1.5112.05.350.28UNSPUNSPUNSPunknUNSPUNSPUNSP
241968-07-15 -- ----YesLCMUSGS1.050.97 GoodClearNONE1Imported Channel 1WADEunspeunkno1.05 1.980.53UNSPUNSPUNSPunknUNSPUNSPUNSP
231968-05-28 -- ----YesFHR/MBSUSGS1843.50 Unspecified NONE1Imported Channel 1UNSPother 184 UNSPUNSPUNSPunknUNSPUNSPUNSP
221967-06-12 -- ----YesLCMUSGS0.910.99 GoodClearNONE1Imported Channel 1WADEunspeunkno0.915.501.660.55UNSPUNSPUNSPunknUNSPUNSPUNSP
211966-11-04 -- ----YesWAGUSGS4.731.25 GoodClearNONE1Imported Channel 1WADEunspeunkno4.7315.08.530.55UNSPUNSPUNSPunknUNSPUNSPUNSP
201965-08-17 -- ----YesHRLUSGS0.070.80 GoodClearNONE1Imported Channel 1UNSPother 0.07 UNSPUNSPUNSPunknUNSPUNSPUNSP
191965-06-22 -- ----YesHRLUSGS0.150.92 GoodClearNONE1Imported Channel 1WADEunspeunkno0.153.800.540.27UNSPUNSPUNSPunknUNSPUNSPUNSP
181965-05-25 -- ----YesHRLUSGS0.871.01 GoodClearNONE1Imported Channel 1WADEunspeunkno0.875.001.350.64UNSPUNSPUNSPunknUNSPUNSPUNSP
171965-03-02 -- ----YesLAWUSGS3.421.19 GoodClearNONE1Imported Channel 1WADEunspeunkno3.4214.55.260.65UNSPUNSPUNSPunknUNSPUNSPUNSP
161964-09-02 -- ----YesWRKUSGS0.020.81 ExcellentClearNONE1Imported Channel 1UNSPother 0.02 UNSPUNSPUNSPunknUNSPUNSPUNSP
151964-07-30 -- ----YesWRKUSGS0.390.98 GoodClearNONE1Imported Channel 1UNSPother 0.39 UNSPUNSPUNSPunknUNSPUNSPUNSP
141964-07-28 -- ----YesWRKUSGS0.100.90 GoodClearNONE1Imported Channel 1UNSPother 0.10 UNSPUNSPUNSPunknUNSPUNSPUNSP
131964-06-11 -- ----YesWRKUSGS1.071.04 GoodClearNONE1Imported Channel 1WADEunspeunkno1.076.001.770.60UNSPUNSPUNSPunknUNSPUNSPUNSP
121964-05-14 -- ----YesLAWUSGS3.341.18 GoodClearNONE1Imported Channel 1WADEunspeunkno3.3414.54.880.68UNSPUNSPUNSPunknUNSPUNSPUNSP
111964-03-17 -- ----YesLAWUSGS3.501.18 GoodClearNONE1Imported Channel 1WADEunspeunkno3.5014.04.980.70UNSPUNSPUNSPunknUNSPUNSPUNSP
101963-09-05 -- ----YesLAWUSGS0.010.79 GoodClearNONE1Imported Channel 1UNSPother 0.01 UNSPUNSPUNSPunknUNSPUNSPUNSP
91963-07-24 -- ----YesLAWUSGS0.540.96 GoodClearNONE1Imported Channel 1WADEunspeunkno0.545.000.950.57UNSPUNSPUNSPunknUNSPUNSPUNSP
81962-07-30 -- ----YesWRKUSGS0.040.81 GoodClearNONE1Imported Channel 1WADEunspeunkno0.041.700.140.25UNSPUNSPUNSPunknUNSPUNSPUNSP
71962-06-05 -- ----YesLAWUSGS0.641.00 GoodClearNONE1Imported Channel 1WADEunspeunkno0.647.002.260.28UNSPUNSPUNSPunknUNSPUNSPUNSP
61962-05-03 -- ----YesLAWUSGS7.871.04 GoodClearNONE1Imported Channel 1WADEunspeunkno7.8714.58.240.96UNSPUNSPUNSPunknUNSPUNSPUNSP
51962-03-26 -- ----YesLAWUSGS7.791.29 GoodClearNONE1Imported Channel 1WADEunspeunkno7.7911.56.161.18UNSPUNSPUNSPunknUNSPUNSPUNSP
41961-08-14 -- ----YesLAWUSGS0.060.82 GoodClearNONE1Imported Channel 1WADEunspeunkno0.062.00 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
31961-07-21 -- ----YesLAWUSGS3.151.16 GoodClearNONE1Imported Channel 1WADEunspeunkno3.159.503.570.88UNSPUNSPUNSPunknUNSPUNSPUNSP
21961-02-28 -- ----YesLAWUSGS22.51.53 GoodClearNONE1Imported Channel 1WADEunspeunkno22.514.08.902.53UNSPUNSPUNSPunknUNSPUNSPUNSP
11960-10-04 -- ----YesLAWUSGS1.801.12 GoodClearNONE1Imported Channel 1WADEunspeunkno1.807.502.370.76UNSPUNSPUNSPunknUNSPUNSPUNSP