How high is the Farmington River at Unionville, CT right now?

The Farmington River at Unionville, CT is currently flowing at 259 cubic feet per second with a gage height of 5.07 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Farmington River at Unionville, CT normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 8th percentile compared to the long-term historical record at this gauge.

Is the Farmington River at Unionville, CT at flood stage?

No — the gage height is 6.93 feet below the NWS flood-stage threshold of 12.0 feet.

What is the historical median flow for the Farmington River at Unionville, CT on June 11?

The long-term median discharge for this date is 456 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 328 to 2,240 cfs.

Where is the Farmington River at Unionville, CT stream gauge located?

The Farmington River at Unionville, CT stream gauge is operated by the USGS in Capitol Planning Region, CT on the Farmington River. USGS site number 01188090 (coordinates 41.7555, -72.8870).

Farmington River at Unionville, CT

USGS Site No: 01188090 • Farmington River • Capitol Planning Region, CT

Farmington River at Unionville, CT on the Farmington River is currently at 259 cfs (Very Low — 8th percentile for this date) . Gage height: 5.07 ft.

Reading from 1 week ago

Downstream on Farmington River ↓

Farmington River at Tariffville, CT

259

CFS Discharge

5.07

Gage Height (ft)

Very 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	328	Today: 259 cfs
25th	Low threshold	390
50th (Median)	Normal (median)	456
75th	High threshold	814
95th	Very High threshold	2,240

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	314	5.23
May 27, 2026	369	5.37
May 26, 2026	501	5.66
May 25, 2026	680	5.97
May 24, 2026	442	5.51
May 23, 2026	269	5.10
May 22, 2026	247	5.03
May 21, 2026	253	5.05
May 20, 2026	277	5.12
May 19, 2026	303	5.20
May 18, 2026	313	5.23
May 17, 2026	330	5.27
May 16, 2026	369	5.37
May 15, 2026	401	5.45
Apr 21, 2026	652	5.93
Apr 20, 2026	712	6.02
Apr 19, 2026	759	6.09
Apr 18, 2026	872	6.25
Apr 17, 2026	948	6.35
Apr 16, 2026	865	6.22
Apr 15, 2026	438	5.53
Apr 14, 2026	388	5.42
Apr 13, 2026	339	5.30
Apr 12, 2026	331	5.28
Apr 11, 2026	353	5.33
Apr 10, 2026	579	5.80
Apr 9, 2026	635	5.90
Apr 8, 2026	639	5.91
Apr 7, 2026	723	6.04
Apr 6, 2026	863	6.23

Station Information

USGS Site No: 01188090
State: CT
County: Capitol Planning Region
Coordinates: 41.7555, -72.8870
Drainage Area: 378 mi²
Datum (ft): 117.3
HUC Code: 010802070405

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 10.0 ft
Flood Stage: 12.0 ft
Moderate Flood: 14.0 ft
Major Flood: 20.0 ft

Currently 6.93 ft below flood stage.

Recent Extremes

Max discharge: 4,220 cfs

May 6, 2025
Min discharge: 137 cfs

Sep 23, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Bunnell Brook Near Burlington, CT
4.5 mi · 5 cfs

Normal
Nepaug River near Nepaug, Ct.
6.2 mi · 15 cfs

Normal
North Branch Park River at Hartford, CT
9.4 mi · 14 cfs

Normal
Quinnipiac River at Southington, CT
10.5 mi · 13 cfs

Low
Farmington River at Tariffville, CT
12.4 mi · 430 cfs

Very Low