SQUANNACOOK RIVER NEAR WEST GROTON, MA
USGS 01096000 · Massachusetts · reports discharge (live), gauge height
USGS 01096000 · Massachusetts · reports discharge (live), gauge height
What the agencies suggest
Carry a pocket thermometer to monitor water temperatureNational Park Service
General guidance from the readings and the published lines named above, not a fishing forecast. Local rules and closures come first.
Reading Nov 5, 10:00 PM EST · provisional USGS data
Normal for Nov 5 Falling · 24 h Below NWS action stage
Discharge, last 7 days: 169 readings from Oct 29, 11:15 PM EDT to Nov 5, 10:00 PM EST; ranging 30.2 to 44.8 ft³/s; latest 30.2 ft³/s; shaded band: typical range (25th–75th percentile) for each date.
USGS provisional data may be revised. Source: USGS instantaneous values.
| Time | Discharge (ft³/s) | Gauge height (ft) | Normal, 25th–75th (ft³/s) |
|---|---|---|---|
| Nov 5, 10:00 PM EST | 30.2 | 1.77 | 25.5–91.7 |
| Nov 5, 9:00 PM EST | 30.2 | 1.77 | 25.5–91.7 |
| Nov 5, 8:00 PM EST | 30.9 | 1.78 | 25.5–91.7 |
| Nov 5, 7:00 PM EST | 30.9 | 1.78 | 25.5–91.7 |
| Nov 5, 6:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 5:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 4:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 3:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 2:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 1:00 PM EST | 32.1 | 1.8 | 25.5–91.7 |
| Nov 5, 12:00 PM EST | 31.5 | 1.79 | 25.5–91.7 |
| Nov 5, 11:00 AM EST | 32.1 | 1.8 | 25.5–91.7 |
| Nov 5, 10:00 AM EST | 32.1 | 1.8 | 25.5–91.7 |
| Nov 5, 9:00 AM EST | 32.8 | 1.81 | 25.5–91.7 |
| Nov 5, 8:00 AM EST | 32.8 | 1.81 | 25.5–91.7 |
| Nov 5, 7:00 AM EST | 32.8 | 1.81 | 25.5–91.7 |
| Nov 5, 6:00 AM EST | 32.8 | 1.81 | 25.5–91.7 |
| Nov 5, 5:00 AM EST | 32.8 | 1.81 | 25.5–91.7 |
| Nov 5, 4:00 AM EST | 33.4 | 1.82 | 25.5–91.7 |
| Nov 5, 3:00 AM EST | 34.1 | 1.83 | 25.5–91.7 |
| Nov 5, 2:00 AM EST | 34.1 | 1.83 | 25.5–91.7 |
| Nov 5, 1:00 AM EST | 34.7 | 1.84 | 25.5–91.7 |
| Nov 5, 12:00 AM EST | 35.4 | 1.85 | 25.5–91.7 |
| Nov 4, 11:00 PM EST | 36.1 | 1.86 | 24.5–105 |
| Nov 4, 10:00 PM EST | 37.4 | 1.88 | 24.5–105 |
| Nov 4, 9:00 PM EST | 38.9 | 1.9 | 24.5–105 |
| Nov 4, 8:00 PM EST | 40.3 | 1.92 | 24.5–105 |
| Nov 4, 7:00 PM EST | 41.8 | 1.94 | 24.5–105 |
| Nov 4, 6:00 PM EST | 44 | 1.97 | 24.5–105 |
| Nov 4, 5:00 PM EST | 44.8 | 1.98 | 24.5–105 |
| Nov 4, 4:00 PM EST | 44 | 1.97 | 24.5–105 |
| Nov 4, 3:00 PM EST | 41 | 1.93 | 24.5–105 |
| Nov 4, 2:00 PM EST | 34.7 | 1.84 | 24.5–105 |
| Nov 4, 1:00 PM EST | 32.1 | 1.8 | 24.5–105 |
| Nov 4, 12:00 PM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 11:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 10:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 9:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 8:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 7:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 6:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 5:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 4:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 3:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 2:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 4, 1:00 AM EST | 33.4 | 1.82 | 24.5–105 |
| Nov 4, 12:00 AM EST | 32.8 | 1.81 | 24.5–105 |
| Nov 3, 11:00 PM EST | 33.4 | 1.82 | 23.5–112 |
| Nov 3, 10:00 PM EST | 33.4 | 1.82 | 23.5–112 |
| Nov 3, 9:00 PM EST | 33.4 | 1.82 | 23.5–112 |
| Nov 3, 8:00 PM EST | 34.1 | 1.83 | 23.5–112 |
| Nov 3, 7:00 PM EST | 34.1 | 1.83 | 23.5–112 |
| Nov 3, 6:00 PM EST | 34.1 | 1.83 | 23.5–112 |
| Nov 3, 5:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 4:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 3:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 2:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 1:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 12:00 PM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 11:00 AM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 10:00 AM EST | 34.7 | 1.84 | 23.5–112 |
| Nov 3, 9:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 8:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 7:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 6:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 5:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 4:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 3:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 2:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 1:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 3, 12:00 AM EST | 35.4 | 1.85 | 23.5–112 |
| Nov 2, 11:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 10:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 9:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 8:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 7:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 6:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 5:00 PM EST | 36.1 | 1.86 | 21.4–113 |
| Nov 2, 4:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 3:00 PM EST | 36.1 | 1.86 | 21.4–113 |
| Nov 2, 2:00 PM EST | 36.1 | 1.86 | 21.4–113 |
| Nov 2, 1:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 12:00 PM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 11:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 10:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 9:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 8:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 7:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 6:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 5:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 4:00 AM EST | 34.7 | 1.84 | 21.4–113 |
| Nov 2, 3:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 2:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 1:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 2, 12:00 AM EST | 35.4 | 1.85 | 21.4–113 |
| Nov 1, 11:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 10:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 9:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 8:00 PM EST | 34.7 | 1.84 | 20.9–110 |
| Nov 1, 7:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 6:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 5:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 4:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 3:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 2:00 PM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 1:00 PM EST | 36.1 | 1.86 | 20.9–110 |
| Nov 1, 12:00 PM EST | 36.1 | 1.86 | 20.9–110 |
| Nov 1, 11:00 AM EST | 36.1 | 1.86 | 20.9–110 |
| Nov 1, 10:00 AM EST | 36.1 | 1.86 | 20.9–110 |
| Nov 1, 9:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 8:00 AM EST | 36.1 | 1.86 | 20.9–110 |
| Nov 1, 7:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 6:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 5:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 4:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 3:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 2:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 1:00 AM EST | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 1:00 AM EDT | 35.4 | 1.85 | 20.9–110 |
| Nov 1, 12:00 AM EDT | 35.4 | 1.85 | 20.9–110 |
| Oct 31, 11:00 PM EDT | 35.4 | 1.85 | 20–98.5 |
| Oct 31, 10:00 PM EDT | 35.4 | 1.85 | 20–98.5 |
| Oct 31, 9:00 PM EDT | 35.4 | 1.85 | 20–98.5 |
| Oct 31, 8:00 PM EDT | 35.4 | 1.85 | 20–98.5 |
| Oct 31, 7:00 PM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 6:00 PM EDT | 35.4 | 1.85 | 20–98.5 |
| Oct 31, 5:00 PM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 4:00 PM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 3:00 PM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 2:00 PM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 1:00 PM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 12:00 PM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 11:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 10:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 9:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 8:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 7:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 6:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 5:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 4:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 3:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 2:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 31, 1:00 AM EDT | 36.8 | 1.87 | 20–98.5 |
| Oct 31, 12:00 AM EDT | 36.1 | 1.86 | 20–98.5 |
| Oct 30, 11:00 PM EDT | 36.1 | 1.86 | 21–107 |
| Oct 30, 10:00 PM EDT | 36.1 | 1.86 | 21–107 |
| Oct 30, 9:00 PM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 8:00 PM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 7:00 PM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 6:00 PM EDT | 37.5 | 1.88 | 21–107 |
| Oct 30, 5:00 PM EDT | 37.5 | 1.88 | 21–107 |
| Oct 30, 4:00 PM EDT | 38.2 | 1.89 | 21–107 |
| Oct 30, 3:00 PM EDT | 37.5 | 1.88 | 21–107 |
| Oct 30, 2:00 PM EDT | 38.2 | 1.89 | 21–107 |
| Oct 30, 1:00 PM EDT | 37.5 | 1.88 | 21–107 |
| Oct 30, 12:00 PM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 11:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 10:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 9:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 8:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 7:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 6:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 5:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 4:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 3:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 2:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 1:00 AM EDT | 36.8 | 1.87 | 21–107 |
| Oct 30, 12:00 AM EDT | 36.2 | 1.86 | 21–107 |
| Oct 29, 11:15 PM EDT | 36.2 | 1.86 | 20–97 |
Map of USGS gauge 01096000 and the river around it
Where SQUANNACOOK RIVER NEAR WEST GROTON, MA sits and our water's map point.
No current water-temperature reading at this gauge, so no temperature guidance is given. Take a stream thermometer. MassWildlife publishes no water-temperature line for trout anglers that we found. The lines below are the National Park Service's, federal guidance, not a Massachusetts rule: 68°F.
This gauge is on our page for Squannacook River, but no agency page we read lists its species.
Normal for Nov 5: 25.5–91.7 ft³/s (middle half of 77 years of record). Now: 30.2 ft³/s, normal.
Normal for this date. 30.2 ft³/s is between the 25th and 75th percentiles of daily mean flow for Nov 5 at this gauge over 77 years of record: 10th 17, 25th 25.5, median 48, 75th 91.7, 90th 182 ft³/s.
Daily means on record for Nov 5: lowest 6.9 ft³/s, highest 873 ft³/s.
Classes as USGS labels them (hyswap: flow categories (WDFN_stats schema) (U.S. Geological Survey) ); percentiles from the USGS daily statistics (U.S. Geological Survey) (approved daily means; the reading is provisional and instantaneous).
Falling over 24 hours: discharge down 19.3%, from 37.4 to 30.2 ft³/s. Rising or falling means a change of more than 10% in discharge (or 0.2 ft of gauge height) over 24 hours; our rule of thumb, not a USGS class.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
Flood categories: action stage, minor, moderate and major flooding (National Weather Service)Turn Around Don't Drown. “A mere 6 inches of fast-moving flood water can knock over an adult.” No flow number makes a crossing safe; if in doubt, stay out.
Turn Around Don't Drown (National Weather Service)Guidance from the readings above and the published thresholds named with each line; not a fishing forecast, a safety guarantee or a statement about access. Local rules and closures come first.
Below NWS action stage. The National Weather Service reports this gauge below its action stage. That is not a statement that wading is safe.
NWS observed 1.79 ft stage, 28 ft³/s at Nov 5, 10:00 PM EST (NWS gauge WGTM3; its stage datum can differ from the USGS gauge height).
NWS river forecast forecast issued Nov 5, 10:32 AM EST. Highest point: 2 ft, 42 ft³/s on Nov 7, 1:00 AM EST (Below NWS action stage).
| Day | Stage | Flow |
|---|---|---|
| Thu, Nov 5 | 1.8 ft | 28 ft³/s |
| Fri, Nov 6 | 1.9 ft | 35 ft³/s |
| Sat, Nov 7 | 2 ft | 42 ft³/s |
| Sun, Nov 8 | 1.8 ft | 28 ft³/s |
Open the NWS gauge page · What the categories mean (National Weather Service)
Checked Nov 5, 11:05 PM EST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.