USGS Surface Water for Alaska: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for Alaska

Click to hide state-specific text

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 15564884 PROSPECT C NR PROSPECT CAMP AK

Yukon-Koyukuk Census Area County, Alaska

Hydrologic Unit Code 19090102

Latitude 66°46'56", Longitude 150°41'06" NAD27

Drainage area 109 square miles

Gage datum 890 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Output formats

HTML table with channel data

HTML table without channel data

Tab-separated data with channel data

Tab-separated data without channel data

Graph of data

Reselect output format

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
76	2025-05-28 18:46:02	AKDT	Yes	jab/del	USGS	799	6.08	-0.01	0.60	Fair	Clear	NONE
75	2024-06-04 10:43:09	AKDT	Yes	emb/jab	USGS	369	5.18	0.01	0.30	Fair	Clear	NONE
74	2023-06-11 12:33:30	AKDT	Yes	jab/mfs	USGS	1440	7.26	-0.07	0.06	Fair	Clear	NONE
73	2023-05-31 16:53:39	AKDT	Yes	emr/jab	USGS	498	5.57			Fair	Clear	NONE
72	2022-05-24 17:50:18	AKDT	Yes	emr/jab	USGS	406	5.35	-0.02	0.50	Fair	Clear	NONE
71	2021-08-31 18:49:05	AKDT	Yes	EMR/JAB	USGS	806	6.36	-0.04	1.00	Fair	Clear	NONE
70	2021-05-31 10:48:32	AKDT	Yes	rkp/jab	USGS	139	4.52	0.02	0.50	Fair	Clear	NONE
69	2020-05-26 17:38:48	AKDT	Yes	hrb/jab	USGS	801	6.25	0.00	1.00	Fair	Clear	NONE
68	2019-05-21 17:59:56	AKDT	Yes	rp/jb/mk	USGS	1690	7.54	0.02	0.70	Fair	Clear	NONE
67	2018-05-23 16:58:26	AKDT	Yes	mk/kd/rp	USGS	780	6.27	0.01	0.25	Fair	Clear	NONE
66	2017-09-09 11:40:33	AKDT	Yes	mjk/jab	USGS	246	4.92	0.00	0.30	Fair		NONE
65	2016-09-30 10:45:22	AKDT	Yes	jab/mfs	USGS	310	5.13	0.00	0.40	Fair	Clear	NONE
64	2016-06-01 13:32:08	AKDT	Yes	jab/mjk	USGS	118	4.39	0.00	0.20	Fair	Clear	NONE
63	2015-05-14 12:02:24	AKDT	Yes	mjk/dwf	USGS	499	5.54	0.06	1.00	Fair	Clear	NONE
62	2015-05-11 18:00:40	AKDT	Yes	mjk/dwf	USGS	664	5.90	-0.06	0.50	Fair	Clear	NONE
61	2014-07-14 21:01:44	AKDT	Yes	DWF/CAS	USGS	1330	7.28	0.02	0.30	Fair	Clear	NONE
60	2014-06-12 10:30	AKDT	Yes	DWF/JAB	USGS	770	6.34	0.00	0.20	Fair	Clear	NONE
59	2014-05-26 18:20	AKDT	Yes	DWF/JAB	USGS	194	4.89	-0.04	0.50	Fair	Clear	NONE
58	2014-05-12 20:34	AKDT	Yes	DWF/CAS	USGS	511	6.05	0.02	0.50	Fair	DebrisHeavy	NONE
57	2013-09-18 13:46:30	AKDT	Yes	MJK/DWF	USGS	57.1	4.28	-0.01	0.50	Fair	Clear	NONE
56	2013-06-20 12:52	AKDT	Yes	JAB/DWF	USGS	44.4	4.21	0.00	0.50	Fair	Clear	NONE
55	2012-09-10 17:12:30	AKDT	Yes	jab/ars	USGS	376	5.68	0.00	0.30	Fair	Clear	NONE
54	2012-05-22 16:48	AKDT	Yes	JAB/dwf	USGS	496	6.11	0.00	1.00	Fair	Clear	NONE
53	2011-09-12 17:57	AKDT	Yes	JAB/JSD	USGS	298	5.26	0.00	0.40	Fair	Clear	NONE
52	2011-05-25 17:38	AKDT	Yes	JAB/DWF	USGS	711	6.08	0.01	0.20	Fair	Clear	NONE
51	2010-05-24 16:09:30	AKDT	Yes	JAB/JSD	USGS	120	4.61	0.04	0.30	Fair	Unspecifed	NONE
50	2009-09-17 09:19	AKDT	Yes	JSD/HRB	USGS	127	4.78	-0.04	0.40	Fair	Clear	NONE
49	2009-05-26 20:09	AKDT	Yes	JAB/MFS	USGS	539	5.97	-0.02	0.50	Fair	Clear	NONE
48	2009-05-05 11:59	AKDT	Yes	JAB/TGC	USGS	675			0.60	Poor	IceAnchor	NONE
47	2008-09-08 18:46	AKDT	Yes	JAB/TGC	USGS	31.3	4.15		0.30	Fair	Clear	NONE
46	2008-05-27 18:41	AKDT	Yes	JAB/JSD	USGS	218	5.07	-0.02	0.50	Fair	Clear	NONE
45	2007-09-17 18:25	AKDT	Yes	HRB/JAB	USGS	218	5.10	0.00	0.50	Fair	Clear	NONE
44	2007-05-28 16:48	AKDT	Yes	MFS/MEC	USGS	111	4.88			Fair	Clear	NONE
43	2006-05-24 18:50	AKDT	Yes	DPB/MEC	USGS	325	5.50	-0.10	1.30	Fair	Clear	NONE
42	2006-05-17 14:35	AKDT	Yes	MLJ/REK	USGS	673	6.40	-0.01	1.30	Fair	Clear	NONE
41	2005-07-22 09:31	AKDT	Yes	dpb/hrb	USGS	291	5.42			Fair	Clear	NONE
40	2005-06-05 11:43	AKDT	Yes	HRB/DPB	USGS	330	5.51	0.00	0.60	Good	Clear	NONE
39	2005-05-13 13:09	AKDT	Yes	DPB/HRB	USGS	1350	7.64	0.00	1.00	Fair	Clear	NONE
38	2004-09-20 15:26	AKDT	Yes	DPB/JGL	USGS	29.4	4.29	0.00	0.50	Good	Clear	NONE
37	2004-06-10 10:50	AKDT	Yes	DPB/MFS	USGS	116	4.87	0.01	1.00	Good	Clear	NONE
36	2003-09-11 10:22	AKDT	Yes	MFS/AEK	USGS	273	5.45	0.00	1.50	Fair	Clear	NONE
35	2003-07-28 15:16	AKDT	Yes	JSD/DME	USGS	261	5.36	0.30	0.50	Poor	Clear	NONE
34	2003-06-11 16:28	AKDT	Yes	MSW/MLJ	USGS	225	5.49	-0.02	0.70	Fair	Clear	NONE
33	2002-05-25 12:32	AKDT	Yes	BWK/MLA	USGS	798	6.76	0.00	3.00	Fair	Clear	NONE
32	2001-05-24 17:45	AKDT	Yes	MFS	USGS	466	6.24	0.00	1.20	Fair	Clear	NONE
31	2000-05-26 14:10	AKDT	Yes	MLA/EET	USGS	560	6.45	-0.03	2.30	Good	Clear	NONE
30	1999-07-31 19:30	AKDT	Yes	MFS/FWY	USGS	150	5.22	0.00		Good	Clear	NONE
29	1998-09-08 13:15	AKDT	Yes	MLJ/MFS	USGS	178	5.33			Good	Clear	NONE
28	1997-06-11 13:30	AKDT	Yes	MFS/KAP	USGS	1020	7.61	0.06	1.50	Good	Clear	NONE
27	1997-05-17 21:15	AKDT	Yes	MFS/MLJ	USGS	268	5.96	0.00	0.80	Good	Clear	NONE
26	1996-09-18 12:15	AKDT	Yes	MFS/MLJ	USGS	71.0	5.05			Good	Clear	NONE
25	1995-09-11 12:45	AKDT	Yes	MLJ/MFS	USGS	313	6.06	-0.01	1.50	Good		NONE
24	1995-07-21 14:25	AKDT	Yes	DEL/KAP	USGS	478	6.50			Good		NONE
23	1995-05-05 19:45	AKDT	Yes	RTK	USGS	543	6.74	-0.07	1.00	Fair	Unspecifed	NONE
22	1994-08-31 13:10	AKDT	Yes	KAP/ABW	USGS	519	6.66			Good		NONE
21	1994-08-27 -- --	--	Yes	RTK/BBB	USGS	5430	10.42			Poor	Clear	NONE
20	1994-05-07 16:47	AKDT	Yes	RTK	USGS	457				Poor		NONE
19	1993-09-04 -- --	--	Yes	RTK	USGS	1130	7.46	-0.04	0.90	Good		NONE
18	1993-07-17 -- --	--	Yes	MFS/SMT	USGS	56.6	4.31			Good		NONE
17	1993-05-20 -- --	--	Yes	MFS	USGS	1590	7.85			Fair		NONE
16	1992-08-27 20:59	AKDT	Yes	jwg/kap	USGS	516	6.13	0.00	1.00	Good	Clear	NONE
15	1992-07-11 12:11	AKDT	Yes	mfs/smt	USGS	29.6	4.22	0.00	0.50	Good	Clear	NONE
14	1992-06-01 17:25	AKDT	Yes	mfs/smt	USGS	1140	8.34	0.05	0.80	Fair	IceCover	NONE
13	1989-06-07 -- --	--	Yes	RTK/RMM	USGS	506	5.97			Fair	Clear	NONE
12	1989-06-01 -- --	--	Yes	RTK/NJB	USGS	1710	8.09			Fair	Clear	NONE
11	1982-05-24 -- --	--	Yes	P V/DMF	USGS	1490	7.50			Poor	Clear	NONE
10	1980-06-03 -- --	--	Yes	JAV/J K	USGS	356	5.40	0.00	0.50	Fair	Clear	NONE
9	1978-07-15 -- --	--	Yes	SGS/ T	USGS	76.3	4.32	0.00	0.50	Fair	Clear	NONE
8	1977-08-19 -- --	--	Yes	SGS/J K	USGS	172	4.75	0.00	0.30	Fair	Clear	NONE
7	1976-09-14 -- --	--	Yes	SGS/ K	USGS	63.6	3.28			Unspecified	Clear	NONE
6	1976-06-19 -- --	--	Yes	RLB/SGS	USGS	101	3.54			Good	Clear	NONE
5	1976-05-13 -- --	--	Yes	SGS/DRK	USGS	273	4.35			Fair		NONE
4	1975-08-24 -- --	--	Yes	JPM/ N	USGS	47.4	4.47			Fair		NONE
3	1975-05-15 -- --	--	Yes	SGS/SHJ	USGS	369	5.54			Good		NONE
2	1975-05-10 -- --	--	Yes	SGS/ K	USGS	412	5.95			Good		NONE

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

2025-05-28 18:46:02

AKDT

Yes

jab/del

USGS

799

6.08

-0.01

0.60

Fair

Clear

NONE

2024-06-04 10:43:09

AKDT

Yes

emb/jab

USGS

369

5.18

0.01

0.30

Fair

Clear

NONE

2023-06-11 12:33:30

AKDT

Yes

jab/mfs

USGS

1440

7.26

-0.07

0.06

Fair

Clear

NONE

2023-05-31 16:53:39

AKDT

Yes

emr/jab

USGS

498

5.57

Fair

Clear

NONE

2022-05-24 17:50:18

AKDT

Yes

emr/jab

USGS

406

5.35

-0.02

0.50

Fair

Clear

NONE

2021-08-31 18:49:05

AKDT

Yes

EMR/JAB

USGS

806

6.36

-0.04

1.00

Fair

Clear

NONE

2021-05-31 10:48:32

AKDT

Yes

rkp/jab

USGS

139

4.52

0.02

0.50

Fair

Clear

NONE

2020-05-26 17:38:48

AKDT

Yes

hrb/jab

USGS

801

6.25

0.00

1.00

Fair

Clear

NONE

2019-05-21 17:59:56

AKDT

Yes

rp/jb/mk

USGS

1690

7.54

0.02

0.70

Fair

Clear

NONE

2018-05-23 16:58:26

AKDT

Yes

mk/kd/rp

USGS

780

6.27

0.01

0.25

Fair

Clear

NONE

2017-09-09 11:40:33

AKDT

Yes

mjk/jab

USGS

246

4.92

0.00

0.30

Fair

NONE

2016-09-30 10:45:22

AKDT

Yes

jab/mfs

USGS

310

5.13

0.00

0.40

Fair

Clear

NONE

2016-06-01 13:32:08

AKDT

Yes

jab/mjk

USGS

118

4.39

0.00

0.20

Fair

Clear

NONE

2015-05-14 12:02:24

AKDT

Yes

mjk/dwf

USGS

499

5.54

0.06

1.00

Fair

Clear

NONE

2015-05-11 18:00:40

AKDT

Yes

mjk/dwf

USGS

664

5.90

-0.06

0.50

Fair

Clear

NONE

2014-07-14 21:01:44

AKDT

Yes

DWF/CAS

USGS

1330

7.28

0.02

0.30

Fair

Clear

NONE

2014-06-12 10:30

AKDT

Yes

DWF/JAB

USGS

770

6.34

0.00

0.20

Fair

Clear

NONE

2014-05-26 18:20

AKDT

Yes

DWF/JAB

USGS

194

4.89

-0.04

0.50

Fair

Clear

NONE

2014-05-12 20:34

AKDT

Yes

DWF/CAS

USGS

511

6.05

0.02

0.50

Fair

DebrisHeavy

NONE

2013-09-18 13:46:30

AKDT

Yes

MJK/DWF

USGS

57.1

4.28

-0.01

0.50

Fair

Clear

NONE

2013-06-20 12:52

AKDT

Yes

JAB/DWF

USGS

44.4

4.21

0.00

0.50

Fair

Clear

NONE

2012-09-10 17:12:30

AKDT

Yes

jab/ars

USGS

376

5.68

0.00

0.30

Fair

Clear

NONE

2012-05-22 16:48

AKDT

Yes

JAB/dwf

USGS

496

6.11

0.00

1.00

Fair

Clear

NONE

2011-09-12 17:57

AKDT

Yes

JAB/JSD

USGS

298

5.26

0.00

0.40

Fair

Clear

NONE

2011-05-25 17:38

AKDT

Yes

JAB/DWF

USGS

711

6.08

0.01

0.20

Fair

Clear

NONE

2010-05-24 16:09:30

AKDT

Yes

JAB/JSD

USGS

120

4.61

0.04

0.30

Fair

Unspecifed

NONE

2009-09-17 09:19

AKDT

Yes

JSD/HRB

USGS

127

4.78

-0.04

0.40

Fair

Clear

NONE

2009-05-26 20:09

AKDT

Yes

JAB/MFS

USGS

539

5.97

-0.02

0.50

Fair

Clear

NONE

2009-05-05 11:59

AKDT

Yes

JAB/TGC

USGS

675

0.60

Poor

IceAnchor

NONE

2008-09-08 18:46

AKDT

Yes

JAB/TGC

USGS

31.3

4.15

0.30

Fair

Clear

NONE

2008-05-27 18:41

AKDT

Yes

JAB/JSD

USGS

218

5.07

-0.02

0.50

Fair

Clear

NONE

2007-09-17 18:25

AKDT

Yes

HRB/JAB

USGS

218

5.10

0.00

0.50

Fair

Clear

NONE

2007-05-28 16:48

AKDT

Yes

MFS/MEC

USGS

111

4.88

Fair

Clear

NONE

2006-05-24 18:50

AKDT

Yes

DPB/MEC

USGS

325

5.50

-0.10

1.30

Fair

Clear

NONE

2006-05-17 14:35

AKDT

Yes

MLJ/REK

USGS

673

6.40

-0.01

1.30

Fair

Clear

NONE

2005-07-22 09:31

AKDT

Yes

dpb/hrb

USGS

291

5.42

Fair

Clear

NONE

2005-06-05 11:43

AKDT

Yes

HRB/DPB

USGS

330

5.51

0.00

0.60

Good

Clear

NONE

2005-05-13 13:09

AKDT

Yes

DPB/HRB

USGS

1350

7.64

0.00

1.00

Fair

Clear

NONE

2004-09-20 15:26

AKDT

Yes

DPB/JGL

USGS

29.4

4.29

0.00

0.50

Good

Clear

NONE

2004-06-10 10:50

AKDT

Yes

DPB/MFS

USGS

116

4.87

0.01

1.00

Good

Clear

NONE

2003-09-11 10:22

AKDT

Yes

MFS/AEK

USGS

273

5.45

0.00

1.50

Fair

Clear

NONE

2003-07-28 15:16

AKDT

Yes

JSD/DME

USGS

261

5.36

0.30

0.50

Poor

Clear

NONE

2003-06-11 16:28

AKDT

Yes

MSW/MLJ

USGS

225

5.49

-0.02

0.70

Fair

Clear

NONE

2002-05-25 12:32

AKDT

Yes

BWK/MLA

USGS

798

6.76

0.00

3.00

Fair

Clear

NONE

2001-05-24 17:45

AKDT

Yes

MFS

USGS

466

6.24

0.00

1.20

Fair

Clear

NONE

2000-05-26 14:10

AKDT

Yes

MLA/EET

USGS

560

6.45

-0.03

2.30

Good

Clear

NONE

1999-07-31 19:30

AKDT

Yes

MFS/FWY

USGS

150

5.22

0.00

Good

Clear

NONE

1998-09-08 13:15

AKDT

Yes

MLJ/MFS

USGS

178

5.33

Good

Clear

NONE

1997-06-11 13:30

AKDT

Yes

MFS/KAP

USGS

1020

7.61

0.06

1.50

Good

Clear

NONE

1997-05-17 21:15

AKDT

Yes

MFS/MLJ

USGS

268

5.96

0.00

0.80

Good

Clear

NONE

1996-09-18 12:15

AKDT

Yes

MFS/MLJ

USGS

71.0

5.05

Good

Clear

NONE

1995-09-11 12:45

AKDT

Yes

MLJ/MFS

USGS

313

6.06

-0.01

1.50

Good

NONE

1995-07-21 14:25

AKDT

Yes

DEL/KAP

USGS

478

6.50

Good

NONE

1995-05-05 19:45

AKDT

Yes

RTK

USGS

543

6.74

-0.07

1.00

Fair

Unspecifed

NONE

1994-08-31 13:10

AKDT

Yes

KAP/ABW

USGS

519

6.66

Good

NONE

1994-08-27 -- --

Yes

RTK/BBB

USGS

5430

10.42

Poor

Clear

NONE

1994-05-07 16:47

AKDT

Yes

RTK

USGS

457

Poor

NONE

1993-09-04 -- --

Yes

RTK

USGS

1130

7.46

-0.04

0.90

Good

NONE

1993-07-17 -- --

Yes

MFS/SMT

USGS

56.6

4.31

Good

NONE

1993-05-20 -- --

Yes

MFS

USGS

1590

7.85

Fair

NONE

1992-08-27 20:59

AKDT

Yes

jwg/kap

USGS

516

6.13

0.00

1.00

Good

Clear

NONE

1992-07-11 12:11

AKDT

Yes

mfs/smt

USGS

29.6

4.22

0.00

0.50

Good

Clear

NONE

1992-06-01 17:25

AKDT

Yes

mfs/smt

USGS

1140

8.34

0.05

0.80

Fair

IceCover

NONE

1989-06-07 -- --

Yes

RTK/RMM

USGS

506

5.97

Fair

Clear

NONE

1989-06-01 -- --

Yes

RTK/NJB

USGS

1710

8.09

Fair

Clear

NONE

1982-05-24 -- --

Yes

P V/DMF

USGS

1490

7.50

Poor

Clear

NONE

1980-06-03 -- --

Yes

JAV/J K

USGS

356

5.40

0.00

0.50

Fair

Clear

NONE

1978-07-15 -- --

Yes

SGS/ T

USGS

76.3

4.32

0.00

0.50

Fair

Clear

NONE

1977-08-19 -- --

Yes

SGS/J K

USGS

172

4.75

0.00

0.30

Fair

Clear

NONE

1976-09-14 -- --

Yes

SGS/ K

USGS

63.6

3.28

Unspecified

Clear

NONE

1976-06-19 -- --

Yes

RLB/SGS

USGS

101

3.54

Good

Clear

NONE

1976-05-13 -- --

Yes

SGS/DRK

USGS

273

4.35

Fair

NONE

1975-08-24 -- --

Yes

JPM/ N

USGS

47.4

4.47

Fair

NONE

1975-05-15 -- --

Yes

SGS/SHJ

USGS

369

5.54

Good

NONE

1975-05-10 -- --

Yes

SGS/ K

USGS

412

5.95

Good

NONE

Questions or Comments
Help

Data Tips
Explanation of terms
Subscribe for system changes

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for Alaska: Streamflow Measurements
URL: https://waterdata.usgs.gov/ak/nwis/measurements?

Page Contact Information: Alaska Water Data Support Team
Page Last Modified: 2025-12-17 10:42:21 EST
0.46 0.44 vaww01