Hempstead Lake at Hempstead water level — New York
Hempstead Lake at Hempstead in New York was last measured at 21.20 ft (datum NAVD88), as of Jul 14, 2026, 12:00 PM (UTC-05:00) (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.
- Pool elevation
- 21.20 ft
- % of conservation pool full
- Not reported
- Storage
- Not reported
- Recent trend
- →Steady
Datum NAVD88. This reading is provisional and subject to revision. Datums vary by station (NGVD29 vs. NAVD88 differ by roughly half a foot to a foot) — never compare bare elevations across lakes without checking the datum.
−0.1 ft over the trend window
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).
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 0131079450, 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.
| Lake | State | Level | Distance |
|---|---|---|---|
| Baisley Pond at South Ozone Park | NY | 5.63 ft | 12 km |
| Clove Lake at Sunnyside, Staten Island | NY | 129.96 ft | 39 km |
| Ohrback Lake at Richmond, Staten Island | NY | 249.31 ft | 41 km |
| Oradell Reservoir at Oradell | NJ | 15.47 ft | 45 km |
| Lake Tappan at Old Tappan | NJ | 54.97 ft | 49 km |
| Woodcliff Lake at Hillsdale | NJ | 93.19 ft | 51 km |
Frequently asked questions
- What is the current water level of Hempstead Lake at Hempstead?
- As of Jul 14, 2026, 12:00 PM (UTC-05:00), the pool elevation was 21.20 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.
- Is Hempstead Lake at Hempstead 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 0131079450, 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 New York
See every lake tracked in New York, or read the methodology behind these figures.