How high is the Oak Grove Fork at Ripplebrook Campground, OR right now?

The Oak Grove Fork at Ripplebrook Campground, OR is currently flowing at 109 cubic feet per second with a gage height of 2.20 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Oak Grove Fork at Ripplebrook Campground, OR normal for this time of year?

Current flow is classified as normal for October 28. Today's discharge is at the 75th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Oak Grove Fork at Ripplebrook Campground, OR on October 28?

The long-term median discharge for this date is 98 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 16 to unavailable cfs.

Where is the Oak Grove Fork at Ripplebrook Campground, OR stream gauge located?

The Oak Grove Fork at Ripplebrook Campground, OR stream gauge is operated by the USGS in Clackamas County, OR on the Oak Grove Fork. USGS site number 14209250 (coordinates 45.0798, -122.0429).

Oak Grove Fork at Ripplebrook Campground, OR

USGS Site No: 14209250 • Oak Grove Fork • Clackamas County, OR

Oak Grove Fork at Ripplebrook Campground, OR on the Oak Grove Fork is currently at 109 cfs (Normal — 75th percentile for this date) . Gage height: 2.20 ft.

Reading from 4 months ago

↑ Upstream on Oak Grove Fork

Oak Grove Fork Above Powerplant Intake, Or.

109

CFS Discharge

2.20

Gage Height (ft)

Normal

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	16
25th	Low threshold	88
50th (Median)	Normal (median)	98
75th	High threshold	109	Today: 109 cfs
95th	Very High threshold	0

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	111	—
May 27, 2026	110	—
May 26, 2026	110	—
May 25, 2026	110	—
May 24, 2026	110	—
May 23, 2026	110	—
May 22, 2026	110	—
May 21, 2026	110	—
May 20, 2026	111	—
May 19, 2026	111	—
May 18, 2026	112	—
May 17, 2026	115	—
May 16, 2026	113	—
May 15, 2026	111	—
Apr 21, 2026	121	—
Apr 20, 2026	122	—
Apr 19, 2026	123	—
Apr 18, 2026	128	—
Apr 17, 2026	140	—
Apr 16, 2026	151	—
Apr 15, 2026	168	—
Apr 14, 2026	173	—
Apr 13, 2026	184	—
Apr 12, 2026	193	—
Apr 11, 2026	212	—
Apr 10, 2026	215	—
Apr 9, 2026	246	—
Apr 8, 2026	268	—
Apr 7, 2026	269	—
Apr 6, 2026	185	—

Station Information

USGS Site No: 14209250
State: OR
County: Clackamas County
Coordinates: 45.0798, -122.0429
Drainage Area: 141 mi²
Datum (ft): 1,420.0
HUC Code: 17090011

View on USGS NWIS →

Recent Extremes

Max discharge: 1,400 cfs

Dec 19, 2025
Min discharge: 99 cfs

Feb 6, 2026

Computed from the local daily-values archive.

Nearby Gauges

Breitenbush River below Breitenbush Hot Springs, OR
21.0 mi · 998 cfs

Unknown
Sandy River Near Marmot, OR
22.6 mi · 697 cfs

Normal
Breitenbush River above French Creek near Detroit, Or.
23.0 mi · 339 cfs

Normal
Little Sandy River Near Bull Run, OR
24.0 mi · 37 cfs

Normal
South Fork Bull Run River Near Bull Run, OR
25.4 mi · 32 cfs

Normal