USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

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USGS 06073600 Black Rock Creek near Augusta MT

Lewis And Clark County, Montana

Hydrologic Unit Code 10030102

Latitude 47°17'27.19", Longitude 112°09'49.56" NAD83

Drainage area 5.63 square miles

Gage datum 4,165 feet above NGVD29

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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
26	2025-03-26 13:46:30	MDT	Yes	MMG/RCH	USGS	0.00				Unknown		NONE
25	2024-10-22 13:16:30	MDT	Yes	MMG/ALR/MEK	USGS	0.00				Excellent		NONE
24	2024-06-11 11:23:30	MDT	Yes	MEK	USGS	0.00				Excellent	VegetationHeavy	NONE
23	2023-10-05 12:36	MDT	Yes	RAC	USGS	0.03	1.54			Poor	VegetationLight	NONE
22	2023-06-27 07:39:30	MDT	Yes	RAC	USGS	0.00				Excellent	VegetationLight	NONE
21	2022-09-29 14:08:30	MDT	Yes	RHB/CRP	USGS	0.00				Unspecified	VegetationLight	NONE
20	2022-01-21 10:46:30	MST	Yes	ewm	USGS	0.00				Unknown		NONE
19	2020-08-10 10:15:30	MDT	Yes	KDS	USGS	0.34	1.68			Unknown	Clear	NONE
18	2018-03-29 16:43	MDT	Yes	MJW	USGS	3.62	2.13	0.00	0.25	Fair	Clear	NONE
17	2018-03-21 11:23:30	MDT	Yes	KDS/CKL	USGS	7.78	2.62	-0.01	0.50	Fair	IceShore	NONE
16	2018-01-30 15:14	MST	Yes	CCB/CKL	USGS	8.17	3.17			Poor	IceCover	NONE
15	2017-05-18 15:43	MDT	Yes	KDS/KDV	USGS	3.05		0.00		Poor		NONE
14	2017-02-16 12:02:30	MST	Yes	CCB/KDV	USGS	132	4.22			Poor	Clear	NONE
13	2017-02-13 13:45:30	MST	Yes	MJW/KDV	USGS	2.13	3.53			Fair	IceAnchor	NONE
12	2011-03-14 11:35	MDT	Yes	KDS	USGS	3.46	2.72	0.00	0.40	Poor	DebrisLight	NONE
11	2003-03-13 -- --	--	Yes	TJM/WAS	USGS	630				Poor		NONE
10	2002-06-11 12:15	MDT	Yes	PLK	USGS	12.2	2.89	0.00	0.30	Fair	Clear	NONE
9	1989-03-27 14:29	MST	Yes	SD	USGS	2.09			0.20	Poor	Clear	NONE
8	1982-02-16 10:42:30	MST	Yes	JRF	USGS	2.60	2.43		0.40	Fair	IceCover	NONE
7	1980-03-03 10:10	MST	Yes	PLK,JRF	USGS	0.27	1.94	0.00	0.30	Unspecified		NONE
6	1979-03-07 12:30	MST	Yes	JEE,MHM	USGS	93.9	7.31		0.50	Fair		NONE
5	1978-03-18 19:20	MST	Yes	KAS/MAH	USGS	13.4				Fair	Clear	NONE
4	1977-04-07 16:00	MST	Yes	JEE	USGS	3.82	2.16			Unspecified		NONE
3	1975-05-06 17:30	MDT	Yes	GAR	USGS	75.7	3.53			Fair	Clear	NONE
2	1975-04-23 09:50	MDT	Yes	JEE	USGS	13.7	2.45			Good	Clear	NONE
1	1975-04-21 14:10	MDT	Yes	JEE	USGS	19.9	2.58			Unspecified	DebrisHeavy	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

2025-03-26 13:46:30

MDT

Yes

MMG/RCH

USGS

0.00

Unknown

NONE

2024-10-22 13:16:30

MDT

Yes

MMG/ALR/MEK

USGS

0.00

Excellent

NONE

2024-06-11 11:23:30

MDT

Yes

MEK

USGS

0.00

Excellent

VegetationHeavy

NONE

2023-10-05 12:36

MDT

Yes

RAC

USGS

0.03

1.54

Poor

VegetationLight

NONE

2023-06-27 07:39:30

MDT

Yes

RAC

USGS

0.00

Excellent

VegetationLight

NONE

2022-09-29 14:08:30

MDT

Yes

RHB/CRP

USGS

0.00

Unspecified

VegetationLight

NONE

2022-01-21 10:46:30

MST

Yes

ewm

USGS

0.00

Unknown

NONE

2020-08-10 10:15:30

MDT

Yes

KDS

USGS

0.34

1.68

Unknown

Clear

NONE

2018-03-29 16:43

MDT

Yes

MJW

USGS

3.62

2.13

0.00

0.25

Fair

Clear

NONE

2018-03-21 11:23:30

MDT

Yes

KDS/CKL

USGS

7.78

2.62

-0.01

0.50

Fair

IceShore

NONE

2018-01-30 15:14

MST

Yes

CCB/CKL

USGS

8.17

3.17

Poor

IceCover

NONE

2017-05-18 15:43

MDT

Yes

KDS/KDV

USGS

3.05

0.00

Poor

NONE

2017-02-16 12:02:30

MST

Yes

CCB/KDV

USGS

132

4.22

Poor

Clear

NONE

2017-02-13 13:45:30

MST

Yes

MJW/KDV

USGS

2.13

3.53

Fair

IceAnchor

NONE

2011-03-14 11:35

MDT

Yes

KDS

USGS

3.46

2.72

0.00

0.40

Poor

DebrisLight

NONE

2003-03-13 -- --

Yes

TJM/WAS

USGS

630

Poor

NONE

2002-06-11 12:15

MDT

Yes

PLK

USGS

12.2

2.89

0.00

0.30

Fair

Clear

NONE

1989-03-27 14:29

MST

Yes

USGS

2.09

0.20

Poor

Clear

NONE

1982-02-16 10:42:30

MST

Yes

JRF

USGS

2.60

2.43

0.40

Fair

IceCover

NONE

1980-03-03 10:10

MST

Yes

PLK,JRF

USGS

0.27

1.94

0.00

0.30

Unspecified

NONE

1979-03-07 12:30

MST

Yes

JEE,MHM

USGS

93.9

7.31

0.50

Fair

NONE

1978-03-18 19:20

MST

Yes

KAS/MAH

USGS

13.4

Fair

Clear

NONE

1977-04-07 16:00

MST

Yes

JEE

USGS

3.82

2.16

Unspecified

NONE

1975-05-06 17:30

MDT

Yes

GAR

USGS

75.7

3.53

Fair

Clear

NONE

1975-04-23 09:50

MDT

Yes

JEE

USGS

13.7

2.45

Good

Clear

NONE

1975-04-21 14:10

MDT

Yes

JEE

USGS

19.9

2.58

Unspecified

DebrisHeavy

NONE