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Swatara Creek at Harper Tavern water level

River gauge, Swatara Creek, Pennsylvania, United States

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Right now

Below flood stage

Water level

1.00ft Down 0.12 ft over the last 24 hours

Flow
312 cfs
0 10 20 Highest onrecord 25.60 ft Minor floodstage 9.00 ft

History

History
1.01.5ftOct 16Oct 18Oct 19Oct 21Oct 221.01.5ftOct 16Oct 19Oct 22
Water level Forecast Minor flood stage

The forecast expects the river to rise to 1.10 ft by Tuesday, October 20 at 02:00 AM. Issued Monday, October 19 at 10:21 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Swatara Creek at Harper Tavern, where the gauge shows 1.00 ft.

It is 8.00 ft below the flood stage of 9.00 ft.

It is still going down, by 0.12 ft over the past 24 hours. The forecast expects the river to rise to 1.10 ft by Tuesday, October 20 at 02:00 AM. The 30-day range is 1.00 ft – 1.83 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
25.60 ftJune 1, 1889
Forecast peak
1.10 ftTuesday, October 20 at 02:00 AM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 9.00 ft.

What happens at each level

18.00 ft
Widespread flooding occurs with many roads, homes and businesses affected.
16.00 ft
Most homes adjacent to the creek are affected to some degree. Numerous evacuations are necessary.
14.00 ft
A number of homes along the creek are affected. Some evacuations are necessary.
12.00 ft
A number of secondary roads are closed, resulting in some evacuations. A few homes are flooded.
10.00 ft
High water isolates several houses.
9.00 ft
Several driveways and other minor roadways are affected. Water begins to enter some basements.
1.00 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 46 %.

RankLevelDate
125.60 ftJune 1, 1889
224.60 ftSeptember 8, 2011
323.72 ftJune 23, 1972
418.28 ftJune 29, 2006
518.01 ftSeptember 2, 2021
617.53 ftAugust 24, 1933
717.36 ftSeptember 19, 2004
817.24 ftSeptember 27, 1975
917.15 ftJuly 25, 2018
1015.77 ftJanuary 25, 1979

Weather at the gauge

No rain in the last 3 days.

20 Tue 66° 43° – Wind 9 mph
21 Wed 62° 41° – Wind 8 mph
22 Thu 64° 40° – Wind 14 mph
23 Fri 58° 41° – Wind 9 mph
24 Sat 59° 36° – Wind 6 mph
25 Sun 62° 38° – Wind 7 mph
26 Mon 66° 44° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:20 PM Daylight 10 hr, 57 min First quarter 67%

Map

Other gauges on Swatara Creek

Gauge Level Compared with normal 24 hours Distance
Swatara Creek near Pine GroveRiver gauge, Swatara Creek 105 cfs Normal −8.0 cfs 13 mi
Swatara Creek near InwoodRiver gauge, Swatara Creek 143 cfs Normal −14.0 cfs 5.8 mi
Swatara Creek near PalmyraRiver gauge, Swatara Creek 3.95 ft No reference yet −0.14 ft 6.2 mi
Swatara Creek near HersheyRiver gauge, Swatara Creek 2.00 ft Below flood stage −0.06 ft 9 mi
Swatara Creek at MiddletownRiver gauge, Swatara Creek 2.57 ft Below flood stage −0.18 ft 17 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Quittapahilla Creek near BellegroveRiver gauge, Quittapahilla Creek 99.8 cfs Normal −3.2 cfs 4.2 mi
Conewago Creek near BellaireRiver gauge, Conewago Creek 8.2 cfs Normal −1.3 cfs 14 mi
Paxton Creek near GlenwoodRiver gauge, Paxton Creek 8.4 cfs Normal −1.9 cfs 16 mi
Conewago Creek near FalmouthRiver gauge, Conewago Creek 17.8 cfs Normal −1.0 cfs 18 mi
Susquehanna River at HarrisburgRiver gauge, Susquehanna River 3.93 ft Below flood stage −0.09 ft 19 mi
Fishing Creek at GoldsboroRiver gauge, Fishing Creek 13.1 cfs High ±0 20 mi

Questions and answers

What is flood stage for Swatara Creek at Harper Tavern?

The official flood stage is 9.00 ft. The level is currently 8.00 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Swatara Creek at Harper Tavern today?

On Oct 20, 2026, 05:15 AM EDT, the water level was 1.00 ft. Down 0.12 ft over the last 24 hours.

Is Swatara Creek at Harper Tavern rising or falling?

Down 0.12 ft over the last 24 hours.

Is the level of Swatara Creek at Harper Tavern normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Swatara Creek at Harper Tavern?

The highest level on record is 25.60 ft on June 1, 1889.

Is Swatara Creek at Harper Tavern expected to rise?

The forecast expects the river to rise to 1.10 ft by Tuesday, October 20 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01573000 (Agency page)
Coordinates
40.40251, -76.57715 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.00 ft 2026-10-20 09:15 Provisional
Flow 312 cfs 2026-10-20 09:15 Provisional

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How to cite

U.S. Geological Survey: Swatara Creek at Harper Tavern (usgs:01573000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/swatara-creek-at-harper-tavern

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.