How high is the Split Rock Creek at Corson, SD right now?

The Split Rock Creek at Corson, SD is currently flowing at 17 cubic feet per second with a gage height of 1.83 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Split Rock Creek at Corson, SD normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 13th percentile compared to the long-term historical record at this gauge.

Is the Split Rock Creek at Corson, SD at flood stage?

No — the gage height is 6.67 feet below the NWS flood-stage threshold of 8.5 feet.

What is the historical median flow for the Split Rock Creek at Corson, SD on June 11?

The long-term median discharge for this date is 93 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 15 to 471 cfs.

Where is the Split Rock Creek at Corson, SD stream gauge located?

The Split Rock Creek at Corson, SD stream gauge is operated by the USGS in Minnehaha County, SD on the Split Rock Creek. USGS site number 06482610 (coordinates 43.6164, -96.5653).

Split Rock Creek at Corson, SD

USGS Site No: 06482610 • Split Rock Creek • Minnehaha County, SD

Split Rock Creek at Corson, SD on the Split Rock Creek is currently at 17 cfs (Low — 13th percentile for this date) . Gage height: 1.83 ft.

Reading from 1 week ago

CFS Discharge

1.83

Gage Height (ft)

Low

Flow Condition

Normal

Flood Status

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	15
25th	Low threshold	27	Today: 17 cfs
50th (Median)	Normal (median)	93
75th	High threshold	204
95th	Very High threshold	471

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	16	1.82
May 27, 2026	16	1.81
May 26, 2026	18	1.84
May 25, 2026	21	1.89
May 24, 2026	20	1.88
May 23, 2026	19	1.86
May 22, 2026	17	1.83
May 21, 2026	16	1.81
May 20, 2026	16	1.81
May 19, 2026	15	1.80
May 18, 2026	17	1.83
May 17, 2026	14	1.77
May 16, 2026	12	1.74
May 15, 2026	14	1.79
Apr 20, 2026	23	1.91
Apr 19, 2026	23	1.92
Apr 18, 2026	23	1.92
Apr 17, 2026	25	1.94
Apr 16, 2026	28	1.97
Apr 15, 2026	29	1.98
Apr 14, 2026	30	2.00
Apr 13, 2026	31	2.01
Apr 12, 2026	31	2.02
Apr 11, 2026	30	2.00
Apr 10, 2026	30	2.00
Apr 9, 2026	30	2.00
Apr 8, 2026	31	2.02
Apr 7, 2026	30	2.00
Apr 6, 2026	30	2.00
Apr 5, 2026	32	2.02

Station Information

USGS Site No: 06482610
State: SD
County: Minnehaha County
Coordinates: 43.6164, -96.5653
Drainage Area: 482 mi²
Datum (ft): 1,305.1
HUC Code: 101702031606

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 7.5 ft
Flood Stage: 8.5 ft
Moderate Flood: 11.0 ft
Major Flood: 14.0 ft

Currently 6.67 ft below flood stage.

Recent Extremes

Max discharge: 182 cfs

Jun 30, 2025
Min discharge: 12 cfs

Oct 7, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

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