USGS Surface Water for USA: Streamflow Measurements

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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 01576381 Hammer Creek at Obie Rd nr Schafferstown, PA

Lebanon County, Pennsylvania

Hydrologic Unit Code 020503060903

Latitude 40°16'15.9", Longitude 76°19'18.2" NAD83

Drainage area 12.8 square miles

Gage datum 469.0 feet above NAVD88

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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
17	2025-07-14 08:40:14	EDT	Yes	JAW	USGS	31.6	1.34	0.00	0.70	Good	DebrisLight	unkn
16	2025-07-01 07:46:18	EDT	Yes	JAW	USGS	128	2.61	-0.08	0.30	Fair	DebrisModerate	unkn
15	2025-06-16 11:25:34	EDT	Yes	JAW	USGS	19.3	1.09	0.00	0.50	Fair	VegetationLight	unkn
014	2025-05-09 12:56:26	EDT	Yes	CWR/AJS	USGS	92.8	2.05	-0.04	0.30	Fair		unkn
13	2025-04-14 11:39:59	EDT	Yes	JAW	USGS	9.14	0.84	0.00	0.75	Fair	Clear	unkn
12	2025-02-13 12:38:39	EST	Yes	JAW	USGS	8.44	0.85	0.05	0.50	Good	Clear	unkn
11	2024-12-12 08:50:37	EST	Yes	JAW	USGS	9.26	0.87	-0.01	0.50	Good	Clear	unkn
10	2024-10-08 13:58:37	EDT	Yes	JAW/MMC	USGS	5.83	0.76	0.00	0.50	Good	VegetationLight	unkn
9	2024-10-08 13:48:56	EDT	Yes	JAW/MMC	USGS	5.98	0.76	0.00	0.45	Good	VegetationLight	unkn
007	2024-08-14 14:20:42	EDT	Yes	CEE/AGM	USGS	12.6	0.89	0.00	0.85	Fair	VegetationLight	unkn
008	2024-08-14 14:11:39	EDT	Yes	CEE/AGM	USGS	12.9	0.89	0.00	0.85	Fair	VegetationLight	unkn
006	2024-06-26 09:01:45	EDT	Yes	CEE/ERB	USGS	11.4	0.97	0.00		Good	VegetationModerate	unkn
005	2024-06-26 08:52:05	EDT	Yes	CEE/ERB	USGS	11.5	0.97	0.00	0.52	Good	VegetationModerate	unkn
004	2024-04-08 09:13:34	EDT	Yes	CEE	USGS	52.9	1.64	-0.01	0.35	Fair	VegetationLight	unkn
003	2024-02-07 12:47:13	EST	Yes	CEE	USGS	25.6	1.22	-0.01	0.35	Fair	Clear	unkn
002	2024-01-23 10:39:52	EST	Yes	CEE/TWW	USGS	30.1	1.24	0.00	0.24	Fair	Clear	unkn
001	2024-01-23 09:35:30	EST	Yes	CEE/TWW	USGS	25.6	1.23			Fair	Clear	unkn

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

2025-07-14 08:40:14

EDT

Yes

JAW

USGS

31.6

1.34

0.00

0.70

Good

DebrisLight

unkn

2025-07-01 07:46:18

EDT

Yes

JAW

USGS

128

2.61

-0.08

0.30

Fair

DebrisModerate

unkn

2025-06-16 11:25:34

EDT

Yes

JAW

USGS

19.3

1.09

0.00

0.50

Fair

VegetationLight

unkn

014

2025-05-09 12:56:26

EDT

Yes

CWR/AJS

USGS

92.8

2.05

-0.04

0.30

Fair

unkn

2025-04-14 11:39:59

EDT

Yes

JAW

USGS

9.14

0.84

0.00

0.75

Fair

Clear

unkn

2025-02-13 12:38:39

EST

Yes

JAW

USGS

8.44

0.85

0.05

0.50

Good

Clear

unkn

2024-12-12 08:50:37

EST

Yes

JAW

USGS

9.26

0.87

-0.01

0.50

Good

Clear

unkn

2024-10-08 13:58:37

EDT

Yes

JAW/MMC

USGS

5.83

0.76

0.00

0.50

Good

VegetationLight

unkn

2024-10-08 13:48:56

EDT

Yes

JAW/MMC

USGS

5.98

0.76

0.00

0.45

Good

VegetationLight

unkn

007

2024-08-14 14:20:42

EDT

Yes

CEE/AGM

USGS

12.6

0.89

0.00

0.85

Fair

VegetationLight

unkn

008

2024-08-14 14:11:39

EDT

Yes

CEE/AGM

USGS

12.9

0.89

0.00

0.85

Fair

VegetationLight

unkn

006

2024-06-26 09:01:45

EDT

Yes

CEE/ERB

USGS

11.4

0.97

0.00

Good

VegetationModerate

unkn

005

2024-06-26 08:52:05

EDT

Yes

CEE/ERB

USGS

11.5

0.97

0.00

0.52

Good

VegetationModerate

unkn

004

2024-04-08 09:13:34

EDT

Yes

CEE

USGS

52.9

1.64

-0.01

0.35

Fair

VegetationLight

unkn

003

2024-02-07 12:47:13

EST

Yes

CEE

USGS

25.6

1.22

-0.01

0.35

Fair

Clear

unkn

002

2024-01-23 10:39:52

EST

Yes

CEE/TWW

USGS

30.1

1.24

0.00

0.24

Fair

Clear

unkn

001

2024-01-23 09:35:30

EST

Yes

CEE/TWW

USGS

25.6

1.23

Fair

Clear

unkn

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

Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2026-01-20 10:03:28 EST
0.43 0.34 staging