What is the current water level of Long Pond?

As of Jul 14, 2026, 1:20 PM (UTC-04:00), the pool elevation was 52.72 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.

Is Long Pond full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Where does this data come from?

From USGS site 414945070560301, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.

Is this safe to use for boating or navigation?

No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

Long Pond water level — Massachusetts

Massachusetts · USGS · reading Jul 14, 2026, 1:20 PM (UTC-04:00) Provisional

Long Pond in Massachusetts was last measured at 52.72 ft (datum NAVD88), as of Jul 14, 2026, 1:20 PM (UTC-04:00) (USGS Water Services). Over its recent trend window the level has been steady (+0.1 ft). This reading is provisional and subject to revision. Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Long Pond · Massachusetts

Pool elevation: 52.72 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: →Steady

Recent trend

The last ~90 days of readings at this station, downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USGS site 414945070560301, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Long Pond, with current level and distance.
Lake	State	Level	Distance
Pumphouse on Assawompset Pond	MA	51.74 ft	2 km
Ashumet Pond, Falmouth	MA	43.76 ft	40 km
West Hill Dam	MA	—	64 km
West Thompson Dam	CT	306.41 ft	81 km
Hodges Village Dam	MA	467.96 ft	85 km
Buffumville Dam	MA	492.67 ft	87 km

Frequently asked questions

What is the current water level of Long Pond?: As of Jul 14, 2026, 1:20 PM (UTC-04:00), the pool elevation was 52.72 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.
Is Long Pond full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USGS site 414945070560301, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?: No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in Massachusetts

See every lake tracked in Massachusetts, or read the methodology behind these figures.