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SwedenMystic R Ds of Amelia Earhart Dam, Sommerville water level
Estuary gauge, Massachusetts, United States
Right now
Latest reading
Water level
History
What this means
The latest water level reported for Mystic R Ds of Amelia Earhart Dam, Sommerville is 108.72 ft. There is no published reference for this estuary yet, so we can't say whether that is high or low for the season.
The water is rising: up 3.18 ft over the past 24 hours. Over the past 30 days it has moved between 102.85 ft and 111.17 ft.
Over the past seven days the change adds up to +0.36 ft.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Mystic River at Amelia Earhart Dam near SomervilleTidal gauge, Mystic River | 105.60 ft | Normal | −0.01 ft | 0.1 mi |
| Charles River, New Charles River Dam at BostonTidal gauge, Charles River, New Charles River Dam | 107.73 ft | Normal | +0.12 ft | 1.9 mi |
| Charles River at First St at CambridgeTidal gauge, Charles River | 107.77 ft | Normal | +0.11 ft | 2.2 mi |
| Alewife Brook near ArlingtonTidal gauge, Alewife Brook | 8.2 cfs | Normal | −0.5 cfs | 3.1 mi |
| Muddy River at BrooklineTidal gauge, Muddy River | 7.70 ft | Normal | +0.05 ft | 4.3 mi |
| Aberjona River at WinchesterRiver gauge, Aberjona River | 14.7 cfs | Normal | −1.1 cfs | 4.9 mi |
| Saugus River at Saugus Ironworks at SaugusTidal gauge, Saugus River | 5.4 cfs | Low | −0.3 cfs | 6 mi |
| Charles River at WalthamRiver gauge, Charles River | 1.46 ft | Below flood stage | −0.05 ft | 8 mi |
Questions and answers
What is the water level of Mystic R Ds of Amelia Earhart Dam, Sommerville today?
On Oct 20, 2026, 09:45 PM EDT, the water level was 108.72 ft. Up 3.18 ft over the last 24 hours.
Is Mystic R Ds of Amelia Earhart Dam, Sommerville rising or falling?
Up 3.18 ft over the last 24 hours. Up 0.36 ft over the last 7 days.
Is the level of Mystic R Ds of Amelia Earhart Dam, Sommerville normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:422340071043201(Agency page)- Coordinates
42.39431, -71.07557(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 108.72 ft | 2026-10-21 01:45 | Provisional |
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How to cite
U.S. Geological Survey: Mystic R Ds of Amelia Earhart Dam, Sommerville (usgs:422340071043201). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/massachusetts/mystic-r-ds-of-amelia-earhart-dam-sommerville
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer