How high is the Mill River Near Hamden, CT right now?

The Mill River Near Hamden, CT is currently flowing at 19 cubic feet per second with a gage height of 1.33 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Mill River Near Hamden, CT normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 30th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Mill River Near Hamden, CT on June 11?

The long-term median discharge for this date is 26 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 11 to 154 cfs.

Where is the Mill River Near Hamden, CT stream gauge located?

The Mill River Near Hamden, CT stream gauge is operated by the USGS in South Central Connecticut Planning Region, CT on the Mill River. USGS site number 01196620 (coordinates 41.4204, -72.9027).

Mill River Near Hamden, CT

USGS Site No: 01196620 • Mill River • South Central Connecticut Planning Region, CT

Mill River Near Hamden, CT on the Mill River is currently at 19 cfs (Normal — 30th percentile for this date) . Gage height: 1.33 ft.

Reading from 1 week ago

Downstream on Mill River ↓

Mill River Near Fairfield, CT

CFS Discharge

1.33

Gage Height (ft)

Normal

Flow Condition

N/A

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	11
25th	Low threshold	17
50th (Median)	Normal (median)	26	Today: 19 cfs
75th	High threshold	44
95th	Very High threshold	154

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	23	1.37
May 27, 2026	26	1.39
May 26, 2026	41	1.49
May 25, 2026	77	1.67
May 24, 2026	62	1.57
May 23, 2026	17	1.32
May 22, 2026	17	1.31
May 21, 2026	17	1.31
May 20, 2026	17	1.32
May 19, 2026	18	1.32
May 18, 2026	19	1.33
May 17, 2026	20	1.34
May 16, 2026	22	1.36
May 15, 2026	27	1.41
Apr 21, 2026	29	1.42
Apr 20, 2026	31	1.43
Apr 19, 2026	31	1.43
Apr 18, 2026	30	1.43
Apr 17, 2026	31	1.44
Apr 16, 2026	33	1.45
Apr 15, 2026	36	1.47
Apr 14, 2026	35	1.46
Apr 13, 2026	35	1.46
Apr 12, 2026	35	1.46
Apr 11, 2026	37	1.48
Apr 10, 2026	39	1.49
Apr 9, 2026	40	1.49
Apr 8, 2026	41	1.50
Apr 7, 2026	45	1.52
Apr 6, 2026	52	1.56

Station Information

USGS Site No: 01196620
State: CT
County: South Central Connecticut Planning Region
Coordinates: 41.4204, -72.9027
Drainage Area: 25 mi²
Datum (ft): 81.7
HUC Code: 011000040301

View on USGS NWIS →

Recent Extremes

Max discharge: 639 cfs

May 6, 2025
Min discharge: 3 cfs

Oct 6, 2025

Computed from the local daily-values archive.

Nearby Gauges

Quinnipiac River at Wallingford, CT
3.8 mi · 105 cfs

Normal
Muddy River Near East Wallingford, CT
6.5 mi · 1 cfs

Normal
Farm River at Totoket Road at Totoket, CT
7.5 mi · 7 cfs

Low
Honeypot Brook at Creamery Road at Cheshire, CT
7.8 mi · 2 cfs

Very Low
Coginchaug River at Middlefield, CT
12.3 mi · 21 cfs

Normal