Grand Calumet River at Industrial Highway at Gary, IN

USGS Site No: 04092677 • Grand Calumet River • Lake County, IN

Grand Calumet River at Industrial Highway at Gary, IN on the Grand Calumet River is currently at 418 cfs (Low — 22th percentile for this date) . Gage height: 2.17 ft.

Reading from

418
CFS Discharge
2.17
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 370
25th Low threshold 428 Today: 418 cfs
50th (Median) Normal (median) 467
75th High threshold 523
95th Very High threshold 571

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

807 403 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 363 —
May 27, 2026 426 —
May 26, 2026 439 —
May 25, 2026 437 —
May 24, 2026 486 —
May 23, 2026 459 —
May 22, 2026 489 —
May 21, 2026 463 —
May 20, 2026 407 —
May 19, 2026 317 —
May 17, 2026 382 —
May 16, 2026 372 —
May 15, 2026 393 —
Apr 21, 2026 408 —
Apr 20, 2026 438 —
Apr 19, 2026 416 —
Apr 18, 2026 420 —
Apr 17, 2026 421 —
Apr 16, 2026 435 —
Apr 15, 2026 414 —
Apr 14, 2026 404 —
Apr 13, 2026 376 —
Apr 12, 2026 387 —
Apr 11, 2026 436 —
Apr 10, 2026 449 —
Apr 9, 2026 417 —
Apr 8, 2026 423 —
Apr 7, 2026 478 —
Apr 6, 2026 451 —
Apr 5, 2026 458 —

Station Information

USGS Site No
04092677
State
IN
County
Lake County
Coordinates
41.6078, -87.3936
Datum (ft)
579.7
HUC Code
04040001
View on USGS NWIS →

Recent Extremes

Max discharge
784 cfs
Aug 19, 2025
Min discharge
193 cfs
May 17, 2025

Computed from the local daily-values archive.

Nearby Gauges

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