USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 030850498 Ninemile Run above McFarren St nr Swissviale, PA

Allegheny County, Pennsylvania

Hydrologic Unit Code 05020005

Latitude 40°25'02.3", Longitude 79°54'56.3" NAD83

Drainage area 6 square miles

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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
16	2025-09-25 12:13:13	EDT	Yes	SEB	USGS	44.1	1.93	-0.18	0.50	Poor	Clear	NONE
15	2025-09-25 10:39:25	EDT	No
14	2025-08-14 12:10:17	EDT	No
13	2025-08-14 11:56:33	EDT	Yes	SEB/SOM	USGS	1.43	1.30	0.00	0.70	Fair	VegetationLight	NONE
12	2025-06-13 10:52:05	EDT	No
11	2025-06-13 10:06:40	EDT	Yes	SEB	USGS	2.47	1.38	0.00	0.70	Poor	VegetationLight	NONE
10	2025-05-01 12:44:04	EDT	Yes	SEB	USGS	2.44	1.37	0.00	0.50	Poor		NONE
9	2025-02-27 09:08:07	EST	Yes	SEB	USGS	14.8	1.66	0.01	0.50	Fair	Clear	NONE
8	2025-02-27 08:29:19	EST	Yes	SEB	USGS	17.2	1.69	0.03	0.50	Fair	Clear	NONE
7	2025-02-06 08:51:01	EST	Yes	ZSH	USGS	12.3	1.60	0.11	0.66	Fair	DebrisLight	NONE
6	2025-02-06 07:57:56	EST	Yes	ZSH	USGS	10.0	1.57	0.00	0.66	Fair	DebrisLight	NONE
5	2025-01-06 09:25:54	EST	Yes	SEB/ZSH	USGS	2.40	1.32	0.00	1.00	Poor	IceShore	NONE
4	2024-10-23 10:35:42	EDT	Yes	ZSH/IBL	USGS	0.88	1.25	0.00	0.60	Fair	DebrisLight	NONE
3	2024-09-17 09:33:51	EDT	Yes	ZSH	USGS	1.48	1.29	-0.02	1.00	Fair	DebrisLight	NONE
2	2024-08-23 13:23:09	EDT	Yes	IBL/aph/zsh	USGS	1.46	1.31	0.00	1.50	Poor		NONE
1	2024-08-23 11:51:25	EDT	Yes	IBL/aph/zsh	USGS	1.95	1.31	0.00	1.00	Fair		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

2025-09-25 12:13:13

EDT

Yes

SEB

USGS

44.1

1.93

-0.18

0.50

Poor

Clear

NONE

2025-09-25 10:39:25

EDT

2025-08-14 12:10:17

EDT

2025-08-14 11:56:33

EDT

Yes

SEB/SOM

USGS

1.43

1.30

0.00

0.70

Fair

VegetationLight

NONE

2025-06-13 10:52:05

EDT

2025-06-13 10:06:40

EDT

Yes

SEB

USGS

2.47

1.38

0.00

0.70

Poor

VegetationLight

NONE

2025-05-01 12:44:04

EDT

Yes

SEB

USGS

2.44

1.37

0.00

0.50

Poor

NONE

2025-02-27 09:08:07

EST

Yes

SEB

USGS

14.8

1.66

0.01

0.50

Fair

Clear

NONE

2025-02-27 08:29:19

EST

Yes

SEB

USGS

17.2

1.69

0.03

0.50

Fair

Clear

NONE

2025-02-06 08:51:01

EST

Yes

ZSH

USGS

12.3

1.60

0.11

0.66

Fair

DebrisLight

NONE

2025-02-06 07:57:56

EST

Yes

ZSH

USGS

10.0

1.57

0.00

0.66

Fair

DebrisLight

NONE

2025-01-06 09:25:54

EST

Yes

SEB/ZSH

USGS

2.40

1.32

0.00

1.00

Poor

IceShore

NONE

2024-10-23 10:35:42

EDT

Yes

ZSH/IBL

USGS

0.88

1.25

0.00

0.60

Fair

DebrisLight

NONE

2024-09-17 09:33:51

EDT

Yes

ZSH

USGS

1.48

1.29

-0.02

1.00

Fair

DebrisLight

NONE

2024-08-23 13:23:09

EDT

Yes

IBL/aph/zsh

USGS

1.46

1.31

0.00

1.50

Poor

NONE

2024-08-23 11:51:25

EDT

Yes

IBL/aph/zsh

USGS

1.95

1.31

0.00

1.00

Fair

NONE