Mount Morris Lake Water Level

New York · updated daily from the U.S. Geological Survey

588.68 ft

Mount Morris Lake is above average for this time of year and rising (+0.31 ft in the last 7 days).

Change since yesterday: -0.76 ft

Reading as of 2026-08-14 · higher than 74% of August readings on record

Where Mount Morris Lake sits historically

TODAY 588.68 ftRECORD LOW585.05 ft2022-07-12RECORD HIGH689.15 ft2022-02-25

Today's level compared with every reading in our 5.0-year record for this lake.

Since yesterday

-0.76 ft

7-day change

+0.31 ft

30-day change

+1.30 ft

1-year change

+2.73 ft

Last 30 days

2026-07-17585.3–595.8 ft2026-08-14

Last 12 months

2025-09-13575.3–679.6 ft2026-08-14

Full history (5.0 years)

2021-08-16572.8–699.0 ft2026-08-14

Mount Morris Lake records and averages

Current level588.68 ft
Record high689.15 ft (2022-02-25)
Record low585.05 ft (2022-07-12)
Average of all readings599.34 ft
Data span5.0 years (1,771 readings)

Frequently asked questions

Is Mount Morris Lake full right now?

As of 2026-08-14, Mount Morris Lake sits at 588.68 ft, which is above average for this time of year.Over the past 30 days the level has risen 1.30 ft.

What is the water level at Mount Morris Lake today?

The most recent reading is 588.68 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Mount Morris Lake has ever been?

The highest level in our records is 689.15 ft on 2022-02-25. The lowest is 585.05 ft on 2022-07-12. Our record covers about 5.0 years of readings.

Is Mount Morris Lake low for this time of year?

Compared with every August in our records, the current level is higher than 74% of them — above average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Mount Morris Lake changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Mount Morris Lake has risen 1.30 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has Mount Morris Lake changed over the past year?

The level is +2.73 ft compared with this date last year (588.68 ft today). The full-history chart above covers 5.0 years, with a record high of 689.15 ft and a record low of 585.05 ft.

Nearby lakes in New York

Conesus Lake water level
818.24 ft · steady
Arkport Reservoir water level
1230.75 ft · falling
Almond Lake water level
1260.35 ft · rising
Owasco Lake water level
712.64 ft · steady
Cayuga Inlet (Cayuga Lake) water level
382.59 ft · steady
Chautauqua Lake water level
1308.28 ft · steady

Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All New York lake levels.