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Thompson Run at Turtle Creek water level

River gauge, Thompson Run, Pennsylvania, United States

Directions

Very high for mid-October

Water level

0.90ft Steady over the last 24 hours

Flow
34.1 cfs
0 5 10 Highest onrecord 11.34 ft Minor floodstage 6.00 ft

History

0.51.01.5ftOct 16Oct 17Oct 18Oct 19Oct 200.51.01.5ftOct 16Oct 18Oct 20
0.51.01.52.0ftSep 21Sep 28Oct 5Oct 12Oct 200.51.01.52.0ftSep 21Oct 5Oct 20
246ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage246ftOct 2025Apr 2026Oct 2026Minor flood stage
24ftJanMarMayJulSepNov202624ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

Thompson Run at Turtle Creek is well above normal at 0.90 ft.

That puts it 0.26 ft above the median of 0.64 ft for mid-October, based on 10 years of readings. It is 5.10 ft below the flood stage of 6.00 ft. A year ago it stood at 0.86 ft (+0.04 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 0.70 ft and 1.92 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 10 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
0.64 ft0.26 ft above the median for this date
Normal for this date
0.56 ft – 0.71 ft8 years in 10 fall in this range (10 years of records)
Same day last year
0.86 ft+0.04 ft
Lowest and highest in 30 days
0.70 ft – 1.92 ft
Lowest and highest in 12 months
0.60 ft – 2.11 ft
Highest on record
11.34 ftJune 18, 2009

Flood levels and safety

Most flood deaths in the US happen in vehicles. Six inches of fast water can knock an adult off their feet, and a foot or two can float a car. If a road is covered, turn around.

Readings can change quickly after heavy rain upstream, so check again before heading near the water.

What happens at each level

12.00 ft
Water reaches Tri-Boro Bridge roadway.
11.34 ft
Water reaches the record flooding observed June 18, 2009.
9.00 ft
Water reaches the bottom of the steel superstructure under the Tri-Boro bridge.
8.23 ft
Water reaches the flooding that occured during Hurricane Ivan on September 17, 2004.
5.57 ft
Water reaches the level that occurred June 5, 2010.
5.50 ft
Flooding begins on Church streat near intersection wth Railroad Street.
0.90 ft
Right now

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

Highest crests on record

RankLevelDate
111.34 ftJune 18, 2009
28.23 ftSeptember 17, 2004
36.96 ftJuly 22, 2019
46.24 ftJuly 22, 2019
55.98 ftJuly 11, 2019
65.57 ftJune 5, 2010

Weather at the gauge

Rain in the last 3 days: 0.10 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 62° 39° – Wind 6 mph
20 Tue 64° 40° – Wind 7 mph
21 Wed 64° 40° – Wind 5 mph
22 Thu 63° 38° – Wind 6 mph
23 Fri 64° 41° – Wind 6 mph
24 Sat 62° 41° – Wind 8 mph
25 Sun 62° 39° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:33 PM Daylight 10 hr, 57 min First quarter 67%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Turtle Creek at WilmerdingRiver gauge, Turtle Creek 5.41 ft Very high −0.10 ft 1.4 mi
Monongahela River at BraddockRiver gauge, Monongahela River 14.66 ft High +0.32 ft 1.9 mi
Monongahela R at L&D2 Lower Pool at BraddockRiver gauge, Monongahela R 17.54 ft High −0.40 ft 1.9 mi
Allegheny R at Lock & Dam 2 at AspinwallRiver gauge, Allegheny R 10.86 ft Normal −0.18 ft 7 mi
Allegheny R at L&D 2 (lower pool) at AspinwallRiver gauge, Allegheny R 16.69 ft Low −0.33 ft 7 mi
Girtys Run above Grant Avenue at MillvaleRiver gauge, Girtys Run 2.45 ft High −0.05 ft 9 mi
Allegheny R at CW Bill Young (lower) AcmetoniaRiver gauge, Allegheny R 11.26 ft Normal −0.22 ft 9 mi
Allegheny R at CW Bill Young L&D at AcmetoniaRiver gauge, Allegheny R 10.75 ft Normal −0.16 ft 9 mi

Questions and answers

How does Thompson Run at Turtle Creek compare with last year?

It is 0.04 ft higher than on the same day last year, when the reading was 0.86 ft.

What is flood stage for Thompson Run at Turtle Creek?

The official flood stage is 6.00 ft. The level is currently 5.10 ft below it.

What is a normal level for Thompson Run at Turtle Creek in mid-October?

The median for mid-October is 0.64 ft. In 8 years out of 10 the reading falls between 0.56 ft and 0.71 ft, based on 10 years of records.

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 Thompson Run at Turtle Creek today?

On Oct 20, 2026, 03:30 AM EDT, the water level was 0.90 ft. Steady over the last 24 hours.

Is Thompson Run at Turtle Creek rising or falling?

Steady over the last 24 hours. Down 0.05 ft over the last 7 days.

Is the level of Thompson Run at Turtle Creek normal?

Very high for mid-October. Compared with 10 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:03084800 (Agency page)
Coordinates
40.40535, -79.82783 (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 0.90 ft 2026-10-20 07:30 Provisional
Flow 34.1 cfs 2026-10-20 07:30 Provisional

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How to cite

U.S. Geological Survey: Thompson Run at Turtle Creek (usgs:03084800). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/thompson-run-at-turtle-creek

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer