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Streamflow Measurements for the Nation


USGS 15087585 TWELVEMILE C NR PETERSBURG AK
Petersburg Borough, Alaska
Hydrologic Unit Code 19010210
Latitude  56°58'07", Longitude 133°04'05" NAD83
Drainage area 9.6  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)
352025-01-23 10:21AKSTYesJCT/ECUSGS34.722.750.010.50FairDebrisLightunkn1MainWADEQSCMMVPAA34.760.050.30.69FIRMGRVLEVENSTDYEVENSTNDUPST50.00
342025-01-23 09:15:30AKSTYesJCT/ECUSGS35.122.760.011.00FairDebrisLightunkn1MainWADEQSCMMVPAA35.152.043.10.81FIRMGRVLEVENSTDYEVENSTNDDNST50.00
332024-11-14 08:32AKSTYesJCT/CMJUSGS22.122.510.010.75FairDebrisLightunkn1MainWADEQSCMMVPAA22.158.036.50.60FIRMCBLSEVENSTDYEVENSTNDUPST50.00
322024-08-14 14:31AKDTYesJCT, MHHusgs10.622.310.000.53PoorClearunkn1Twelvemile Creek Routine LocationWADEQSCMMVPAA10.656.530.30.35FIRMSANDEVENSTDYEVENUNKNUPST30.00
312024-06-25 13:57AKDTYesMHH, CMJusgs40.022.790.010.37FairClearunkn1Normal LocationWADEQSCMMVPAA40.057.054.10.74FIRMGRVLEVENSTDYEVENUNKNUPST25.00
302024-06-25 13:31AKDTYesMHH, CMJusgs41.522.800.010.67FairClearunkn1Normal LocationWADEQSCMMVPAA41.557.054.60.76FIRMGRVLEVENSTDYEVENUNKNUPST20.00
292024-05-14 14:43AKDTYesMHH, JCTusgs15823.760.010.75FairClearunkn1MainWADEQSCMMVPAA15860.01131.40FIRMGRVLEVENSTDYEVENUNFMUPST80.00
282024-03-21 14:36AKDTNo
272024-01-03 08:58AKSTYesMHH, JCTusgs39.822.760.010.50FairClearunkn1Routine MainWADEQSCMMVPAA39.853.538.11.04SOFTGRVLEVENSTDYEVENUNKNUPST50.00
262023-11-06 13:21AKSTYesMHHusgs13923.540.180.50PoorClearunkn1Above GageWADEQSCMMVPAA13955.078.51.77FIRMGRVLEVENSTDYEVENUNKNUPST50.00
252023-09-06 12:02AKDTYesMHHusgs16.622.440.000.47PoorClearunkn1At GageWADEQSCMMVPAA16.660.434.30.48SOFTSANDEVENSTDYEVENUNKNATGA0.00
242023-07-12 09:47AKDTNo
232023-05-31 10:45AKDTNo
222023-01-10 11:26AKSTYesMHH, JLPusgs32.123.040.020.63PoorIceAnchorunkn1Gage ReachWADEQSCMMVPAA32.159.071.30.45SOFTSANDEVENSTDYEVENUNKNUPST20.00
212022-10-17 15:28AKDTYesMHH/PENusgs38424.860.421.50PoorClearunkn1MMT 21WADEQSCMMVPAA38458.01792.15FIRMSANDEVENUNSPUNEVSTNDUPST5.00
202022-08-22 14:20AKDTYesCMJ MHH PENusgs24.022.620.001.25Fair unkn120WADEQSCMMVPAA24.061.541.20.58SOFTsiltEVENSTDYEVENSTNDUPST60.00
192022-06-29 09:52AKDTYesPENUSGS10223.44-0.010.75Poor unkn112 Mile Solo Aquacalc mmt 19WADEQSCMMVPAA10268.090.51.13FIRMGRVLEVENSTDYEVENSTNDDNST1400.00
182022-06-08 08:15AKDTYesCMJ JMGusgs10523.420.000.50Fair unkn118WADEQSCMMVPAA10562.095.91.10SOFTGRVLEVENSTDYEVENSTNDATGA0.00
172022-03-03 11:40AKSTYesCMJ, JMGusgs25.822.650.000.75FairClearunkn117WADEQSCMMVPAA25.858.049.80.52SOFTGRVLUNEVSTDYEVENUNFMUPST20.00
162021-10-15 14:58AKDTYesCMJ, PENUSGS77.623.080.020.75Good unkn1Oct 15 Aquacalc Measurement 16WADEQSCMMVPAA77.648.048.61.59FIRMGRVLEVENSTDYEVENUNFMDNST20.00
152021-09-15 11:17AKDTYesJLP, PENUSGS56.022.910.000.67Good unkn112 Mile CreekWADEQSCMMVPAA56.059.068.90.81FIRMGRVLUNEVPULSEVENSTNDDNST75.00
142021-05-27 12:37AKDTYesrhh/jmgUSGS44.322.760.000.50GoodClearunkn112 mileWADEQSCMMVPAA44.356.058.80.75FIRMGRVLEVENSTDYEVENSTNDUPST50.00
132021-05-19 12:26AKDTYesrhh/jmgUSGS46.622.770.000.50FairClearunkn112 mileWADEQSCMMVPAA46.648.036.11.29FIRMGRVLEVENSTDYEVENSTNDDNST50.00
122021-04-29 17:26AKDTYesrhh/jmgUSGS67.723.02 FairClearunkn112 Mile Cr. nr. PetersburgWADEQSCMMVPAA67.755.051.81.31SOFTGRVLEVENSTDYEVENSTNDUPST80.00
111982-10-14 19:37AKDTYesswannerUSGS60.26.92 Unknown unkn1MainunknQSCMMunkno60.257.035.61.69unknunknunknunknunknUNKNunkn
101981-12-06 17:47AKSTYesswanner, imbUSGS71.07.10 Unknown unkn1MainunknQSCMMunkno71.057.554.41.30unknunknunknunknunknUNKNunkn
91980-10-21 19:09AKDTYesswannerUSGS60.16.86 Unknown unkn1MainunknQSCMMunkno60.158.044.31.36unknunknunknunknunknUNKNunkn
81979-09-17 21:22AKDTYesswanner, schUSGS1067.24 Unknown unkn1MainunknQSCMMunkno10656.568.21.55unknunknunknunknunknUNKNunkn
71978-11-04 19:32AKSTYesswanner, graUSGS70.06.94 Unknown unkn1MainunknQSCMMunkno70.056.041.61.68unknunknunknunknunknUNKNunkn
61977-10-06 21:24AKDTYesswanner, kisUSGS15.46.42 Unknown unkn1MainunknQSCMMunkno15.458.035.40.44unknunknunknunknunknUNKNunkn
51975-10-21 20:14AKDTYesswanner, thoUSGS67.36.91 Unknown unkn1MainunknQSCMMunkno67.357.052.61.28unknunknunknunknunknUNKNunkn
41975-06-22 21:59AKDTYesthomas kuhuUSGS57.77.11 Unknown unkn1MainunknQSCMMunkno57.759.651.51.11unknunknunknunknunknUNKNunkn
31974-04-12 22:17AKDTYeslovelace, mcUSGS59.17.29 Unknown unkn1MainunknQSCMMunkno59.160.067.30.88unknunknunknunknunknUNKNunkn
21972-11-09 18:22AKSTYeswiggins, kleUSGS2327.90 Unknown unkn1MainunknQSCMMunkno23259.01092.13unknunknunknunknunknUNKNunkn
11972-06-18 18:32AKDTYeslumanUSGS60.6 Unknown unkn1MainunknQSCMMunkno60.653.536.01.68unknunknunknunknunknUNKNunkn