How high is the Grand Lake Stream at Grand Lake Stream, Maine right now?

The Grand Lake Stream at Grand Lake Stream, Maine is currently flowing at 317 cubic feet per second with a gage height of 2.43 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Grand Lake Stream at Grand Lake Stream, Maine normal for this time of year?

Current flow is classified as high for October 27. Today's discharge is at the 77th percentile compared to the long-term historical record at this gauge.

Is the Grand Lake Stream at Grand Lake Stream, Maine at flood stage?

No — the gage height is 4.57 feet below the NWS flood-stage threshold of 7.0 feet.

What is the historical median flow for the Grand Lake Stream at Grand Lake Stream, Maine on October 27?

The long-term median discharge for this date is 191 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 112 to 500 cfs.

Where is the Grand Lake Stream at Grand Lake Stream, Maine stream gauge located?

The Grand Lake Stream at Grand Lake Stream, Maine stream gauge is operated by the USGS in Washington County, ME on the Grand Lake Stream. USGS site number 01019000 (coordinates 45.1725, -67.7689).

Grand Lake Stream at Grand Lake Stream, Maine

USGS Site No: 01019000 • Grand Lake Stream • Washington County, ME

Grand Lake Stream at Grand Lake Stream, Maine on the Grand Lake Stream is currently at 317 cfs (High — 77th percentile for this date) . Gage height: 2.43 ft.

Reading from 4 months ago

317

CFS Discharge

2.43

Gage Height (ft)

High

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 27 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	112
25th	Low threshold	129
50th (Median)	Normal (median)	191
75th	High threshold	299
95th	Very High threshold	500	Today: 317 cfs

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	317	—
May 27, 2026	317	—
May 26, 2026	319	—
May 25, 2026	319	—
May 24, 2026	316	—
May 23, 2026	317	—
May 22, 2026	317	—
May 21, 2026	318	—
May 20, 2026	320	—
May 19, 2026	319	—
May 18, 2026	320	—
May 17, 2026	321	—
May 16, 2026	321	—
May 15, 2026	321	—
Apr 21, 2026	133	—
Apr 19, 2026	134	—
Apr 18, 2026	133	—
Apr 17, 2026	135	—
Apr 16, 2026	134	—
Apr 15, 2026	135	—
Apr 14, 2026	134	—
Apr 13, 2026	133	—
Apr 12, 2026	132	—
Apr 11, 2026	134	—
Apr 10, 2026	134	—
Apr 9, 2026	133	—
Apr 8, 2026	133	—
Apr 7, 2026	134	—
Apr 6, 2026	135	—
Apr 5, 2026	134	—

Station Information

USGS Site No: 01019000
State: ME
County: Washington County
Coordinates: 45.1725, -67.7689
Drainage Area: 224 mi²
Datum (ft): 273.6
HUC Code: 01050001

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.0 ft
Flood Stage: 7.0 ft

Currently 4.57 ft below flood stage.

Recent Extremes

Max discharge: 1,360 cfs

May 11, 2025
Min discharge: 109 cfs

Dec 9, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Old Stream Near Wesley, Maine
16.4 mi · 29 cfs

Normal
St. Croix River at Baring, Maine
22.1 mi · 1,250 cfs

Normal
Libby Brook Near Northfield, Maine
25.8 mi · 9 cfs

Normal
St. Croix River at Vanceboro, Maine
32.0 mi · 362 cfs

Normal
Mattawamkeag River Near Mattawamkeag, Maine
34.6 mi · 1,790 cfs

Normal