Hart Ditch at Dyer, IN
USGS Site No: 05536179 • Hart Ditch • Lake County, IN
Hart Ditch at Dyer, IN on the Hart Ditch is currently at 9 cfs (Normal — 27th percentile for this date) . Gage height: 2.12 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 6 | |
| 25th | Low threshold | 8 | |
| 50th (Median) | Normal (median) | 14 | Today: 9 cfs |
| 75th | High threshold | 48 | |
| 95th | Very High threshold | 250 |
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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 10 | — |
| May 27, 2026 | 11 | — |
| May 26, 2026 | 13 | — |
| May 25, 2026 | 15 | — |
| May 24, 2026 | 11 | — |
| May 23, 2026 | 9 | — |
| May 22, 2026 | 9 | — |
| May 21, 2026 | 10 | — |
| May 20, 2026 | 12 | — |
| May 19, 2026 | 12 | — |
| May 18, 2026 | 12 | — |
| May 17, 2026 | 11 | — |
| May 16, 2026 | 11 | — |
| May 15, 2026 | 11 | — |
| Apr 21, 2026 | 38 | — |
| Apr 20, 2026 | 51 | — |
| Apr 19, 2026 | 78 | — |
| Apr 18, 2026 | 78 | — |
| Apr 17, 2026 | 83 | — |
| Apr 16, 2026 | 83 | — |
| Apr 15, 2026 | 74 | — |
| Apr 14, 2026 | 36 | — |
| Apr 13, 2026 | 29 | — |
| Apr 12, 2026 | 35 | — |
| Apr 11, 2026 | 41 | — |
| Apr 10, 2026 | 50 | — |
| Apr 9, 2026 | 62 | — |
| Apr 8, 2026 | 77 | — |
| Apr 7, 2026 | 103 | — |
| Apr 6, 2026 | 151 | — |
Station Information
- USGS Site No
- 05536179
- State
- IN
- County
- Lake County
- Coordinates
- 41.5078, -87.5100
- Drainage Area
- 38 mi²
- Datum (ft)
- 607.3
- HUC Code
- 07120003
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 12.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 14.0 ft
Currently 9.88 ft below flood stage.
Recent Extremes
- Max discharge
-
630 cfsDec 29, 2025
- Min discharge
-
3 cfsSep 11, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Lansing Ditch Near Lansing, ILVery Low1.7 mi · 0 cfs
-
Deer Creek Near Chicago Heights, ILNormal4.2 mi · 5 cfs
-
Plum Creek Near Crete, ILNormal5.9 mi · 7 cfs
-
Thorn Creek at Glenwood, ILNormal6.0 mi · 23 cfs
-
Thorn Creek at Thornton, ILNormal6.6 mi · 41 cfs