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Turkey Creek (IN) at Merrillville

Highest listed crest 17.50 ftFlood stage 11.0 ft11 crests since 2008

The Turkey Creek (IN) at Merrillville crested at major flood stage 1 time among the 11 crests the National Weather Service lists from 2008 to 2021. The highest, 17.50 ft on September 14, 2008, was major flooding, 6.50 feet above flood stage. 1 other gauge on the Turkey Creek (IN) crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
17.50 ft
September 14, 2008
Flood stage
11.0 ft
Major flooding from 17.0 ft
Crests at major
1
96th of 206 gauges in Indiana
Most recent flood crest
May 9, 2021
11.32 ft, minor flooding
Location
Lake County
Near Merrillville (2.4 mi), Hobart (2.5 mi), Griffith (5.4 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Turkey Creek (IN) at Merrillville
Action stage9.04Mar 1, 2021The level at which the NWS or its partners begin to take action
Flood stage (minor)11.06May 9, 2021Minimal or no property damage, but possibly some public threat
Moderate flood stage14.50—Some inundation of structures and roads near the stream
Major flood stage17.01Sep 14, 2008Extensive inundation of structures and roads

Every listed crest

11 crests from 2008 to 2021. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Turkey Creek (IN) at Merrillville, 2008 to 2021 81012141618ft Flood stage 11.0 ftMajor 17.0 ft Sep 14, 2008: 17.50 ft, major floodingNov 26, 2008: 9.80 ft, action stageMay 1, 2019: 13.03 ft, minor floodingSep 28, 2019: 12.36 ft, minor floodingOct 27, 2019: 10.68 ft, action stageJan 11, 2020: 12.04 ft, minor floodingApr 30, 2020: 11.71 ft, minor floodingMay 18, 2020: 12.95 ft, minor floodingJun 28, 2020: 10.20 ft, action stageMar 1, 2021: 9.89 ft, action stageMay 9, 2021: 11.32 ft, minor flooding Highest, 17.50 ft, Sep 14, 2008 201020152020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Turkey Creek (IN) at Merrillville 2000s: 1 2010s: 2 2020s: 4 4 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Turkey Creek (IN) at Merrillville
1Sep 14, 200817.50+6.50Major—
2May 1, 201913.03+2.03Minor—
3May 18, 202012.95+1.95Minor—
4Sep 28, 201912.36+1.36Minor—
5Jan 11, 202012.04+1.04Minor—
6Apr 30, 202011.71+0.71Minor—
7May 9, 202111.32+0.32Minor—
8Oct 27, 201910.68−0.32Action—
9Jun 28, 202010.20−0.80Action—
10Mar 1, 20219.89−1.11Action—
11Nov 26, 20089.80−1.20Action—

The worst floods along the Turkey Creek (IN)

For this gauge's highest crests, the other gauges on the Turkey Creek (IN) that crested above flood stage within a week.

September 14, 2008: 17.50 ft here, major flooding

  • ScherervilleIN · Sep 14, 2008 · 11.00 ft · Major · its highest

May 1, 2019: 13.03 ft here, minor flooding

May 18, 2020: 12.95 ft here, minor flooding

Gauges on the Turkey Creek (IN)

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Turkey Creek (IN)
ScherervilleIN7.511.00 ft, Sep 14, 20081
Merrillville this gaugeIN11.017.50 ft, Sep 14, 20081

Other gauges in Lake County

Flood gauges in Lake County
Hobart13.022.18 ft, Sep 15, 20081
Liverpool17.523.00 ft, Sep 14, 20081
Merrillville8.511.80 ft, Feb 21, 20180
Dyer12.016.76 ft, Sep 14, 20084
Munster6.010.93 ft, Feb 20, 20189
East Chicago (Lake Michigan outlet)13.014.35 ft, Apr 30, 20200
Shelby10.513.04 ft, Sep 18, 20084
Gary (Burr Street)11.014.50 ft, Sep 14, 20080
Gary (Grant St)11.016.00 ft, Sep 14, 20080
Hammond (Indianapolis Boulevard)14.015.50 ft, Sep 14, 20080
Highland (Kennedy Avenue)15.017.50 ft, Sep 14, 20080
Munster12.017.29 ft, Sep 14, 20082
Munster (Northcote Avenue)18.020.00 ft, Sep 14, 20080
Lake Station13.017.50 ft, Sep 14, 20081
Schererville7.511.00 ft, Sep 14, 20081

Lake County: every hazard · River floods across the country · Indiana

NOAA National Water Prediction Service, gauge MTCI3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.