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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 03311100 BYLEW CREEK NEAR MAMMOTH CAVE, KY
Edmonson County, Kentucky
Hydrologic Unit Code 05110001
Latitude  37°15'40", Longitude  86°13'07" NAD27
Drainage area 5.16  square miles
Output formats
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HTML table without channel data
Tab-separated data with 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)
431974-07-26 -- ----Yes.USGS67.5 Unspecified NONE1Imported Channel 1WADEunspeunkno67.5 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
421974-06-26 -- ----Yes..SUSGS2.57 Good NONE1Imported Channel 1WADEunspeunkno2.579.003.820.67UNSPUNSPUNSPunknUNSPUNSPUNSP
411974-04-17 -- ----Yes..OUSGS6.42 Poor NONE1Imported Channel 1WADEunspeunkno6.4216.08.100.79UNSPUNSPUNSPunknUNSPUNSPUNSP
401973-11-08 -- ----YesCWFUSGS1.54 Poor NONE1Imported Channel 1WADEunspeunkno1.5413.44.640.33UNSPUNSPUNSPunknUNSPUNSPUNSP
391973-09-19 -- ----YesCWFUSGS1.05 Poor NONE1Imported Channel 1WADEunspeunkno1.0511.55.230.20UNSPUNSPUNSPunknUNSPUNSPUNSP
381973-08-14 -- ----Yes..SUSGS2.04 Poor NONE1Imported Channel 1WADEunspeunkno2.0411.55.010.41UNSPUNSPUNSPunknUNSPUNSPUNSP
371972-06-21 -- ----Yes..SUSGS2.00 0.000.30Poor NONE1Imported Channel 1WADEunspeunkno2.0015.04.540.44UNSPUNSPUNSPunknUNSPUNSPUNSP
361971-11-18 -- ----Yes..SUSGS1.87 0.000.50Poor NONE1Imported Channel 1WADEunspeunkno1.8710.03.700.51UNSPUNSPUNSPunknUNSPUNSPUNSP
351971-10-12 -- ----Yes..SUSGS1.33 Fair NONE1Imported Channel 1WADEunspeunkno1.337.302.300.55UNSPUNSPUNSPunknUNSPUNSPUNSP
341970-12-03 -- ----Yes..CUSGS2.36 0.000.30Fair NONE1Imported Channel 1WADEunspeunkno2.3610.57.530.93UNSPUNSPUNSPunknUNSPUNSPUNSP
331970-10-13 -- ----Yes..SUSGS17.1 0.000.40Fair NONE1Imported Channel 1WADEunspeunkno17.118.020.70.83UNSPUNSPUNSPunknUNSPUNSPUNSP
321970-08-05 -- ----Yes..SUSGS2.33 0.000.40Good NONE1Imported Channel 1WADEunspeunkno2.337.103.300.71UNSPUNSPUNSPunknUNSPUNSPUNSP
311970-06-16 -- ----YesBLRUSGS4.62 0.000.40Fair NONE1Imported Channel 1WADEunspeunkno4.6210.56.340.73UNSPUNSPUNSPunknUNSPUNSPUNSP
301969-11-25 -- ----Yes..SUSGS5.89 0.000.40Good NONE1Imported Channel 1WADEunspeunkno5.8918.07.990.74UNSPUNSPUNSPunknUNSPUNSPUNSP
291969-10-20 23:00CSTYes..SUSGS1.76 0.000.30Good NONE1Imported Channel 1WADEunspeunkno1.763.601.661.06UNSPUNSPUNSPunknUNSPUNSPUNSP
281969-09-08 23:00CSTYes..SUSGS0.96 0.000.40Good NONE1Imported Channel 1WADEunspeunkno0.966.302.180.23UNSPUNSPUNSPunknUNSPUNSPUNSP
271969-05-20 23:00CSTYes..SUSGS2.39 Good NONE1Imported Channel 1WADEunspeunkno2.396.002.690.89UNSPUNSPUNSPunknUNSPUNSPUNSP
261968-09-30 23:00CSTYes..SUSGS1.12 0.000.40Fair NONE1Imported Channel 1WADEunspeunkno1.127.002.590.43UNSPUNSPUNSPunknUNSPUNSPUNSP
251968-08-27 23:00CSTYes..SUSGS0.09 0.000.20Fair NONE1Imported Channel 1WADEunspeunkno0.091.800.530.18UNSPUNSPUNSPunknUNSPUNSPUNSP
241968-01-10 -- ----Yes..SUSGS3.07 Fair NONE1Imported Channel 1WADEunspeunkno3.079.004.540.68UNSPUNSPUNSPunknUNSPUNSPUNSP
231967-11-02 -- ----Yes..SUSGS3.08 0.000.40Good NONE1Imported Channel 1WADEunspeunkno3.0812.05.740.54UNSPUNSPUNSPunknUNSPUNSPUNSP
221967-08-22 23:00CSTYes..SUSGS1.65 Unspecified NONE1Imported Channel 1WADEunspeunkno1.65 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
211967-07-18 23:00CSTYes..USGS3.20 Unspecified NONE1Imported Channel 1WADEunspeunkno3.20 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
201967-05-03 23:00CSTYes...USGS19.2 Unspecified NONE1Imported Channel 1WADEunspeunkno19.2 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
191967-03-14 -- ----Yes...USGS13.1 Unspecified NONE1Imported Channel 1WADEunspeunkno13.1 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
181966-10-04 -- ----Yes...USGS1.07 Unspecified NONE1Imported Channel 1WADEunspeunkno1.07 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
171966-05-23 -- ----Yes...USGS9.56 Unspecified NONE1Imported Channel 1WADEunspeunkno9.56 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
161965-12-15 -- ----Yes...USGS1.88 Unspecified NONE1Imported Channel 1WADEunspeunkno1.88 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
151965-09-08 -- ----Yes...USGS0.53 Unspecified NONE1Imported Channel 1WADEunspeunkno0.53 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
141965-06-28 -- ----Yes...USGS1.18 Unspecified NONE1Imported Channel 1WADEunspeunkno1.18 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
131965-04-29 -- ----Yes...USGS6.16 Unspecified NONE1Imported Channel 1WADEunspeunkno6.16 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
121964-11-06 -- ----Yes...USGS0.91 Unspecified NONE1Imported Channel 1WADEunspeunkno0.91 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
111964-08-03 -- ----Yes...USGS0.66 Unspecified NONE1Imported Channel 1WADEunspeunkno0.66 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
101964-01-08 -- ----Yes...USGS1.42 Unspecified NONE1Imported Channel 1WADEunspeunkno1.42 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
91963-10-11 -- ----Yes...USGS0.63 Unspecified NONE1Imported Channel 1WADEunspeunkno0.63 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
81963-08-27 -- ----Yes...USGS0.58 Unspecified NONE1Imported Channel 1WADEunspeunkno0.58 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
71963-06-12 -- ----Yes...USGS1.14 Unspecified NONE1Imported Channel 1WADEunspeunkno1.14 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
61962-12-02 -- ----Yes...USGS1.45 Unspecified NONE1Imported Channel 1WADEunspeunkno1.45 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
51962-08-27 -- ----Yes...USGS1.10 Unspecified NONE1Imported Channel 1WADEunspeunkno1.10 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
41962-07-25 -- ----Yes...USGS1.77 Unspecified NONE1Imported Channel 1WADEunspeunkno1.77 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
31962-06-12 -- ----Yes...USGS3.62 Unspecified NONE1Imported Channel 1WADEunspeunkno3.62 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
21961-10-31 -- ----Yes...USGS1.68 Unspecified NONE1Imported Channel 1WADEunspeunkno1.68 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
11961-09-08 -- ----Yes...USGS1.14 Unspecified NONE1Imported Channel 1WADEunspeunkno1.14 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP