Lake Conditions
Illustrated map of Allegheny Reservoir

Lake levels

Chambers Lake, PA

water level
579.86 ft
Condition
About average for this time of year
7-day change
+0.78 ft
30-day change
+0.97 ft
1-year change
+1.24 ft

Reading as of 2026-10-12 | the U.S. Geological Survey

Since yesterday
+0.65 ft
7-day change
+0.78 ft
30-day change
+0.97 ft
1-year change
+1.24 ft
Record high
584.25 ft

In brief

Chambers Lake stood at 579.86 feet on Oct 12, 2026. That is higher than 55% of October readings since 2007.

Source: U.S. Geological Survey

Lake level timeline

578.6578.9579.3579.7580.0SEP 12SEP 17SEP 22SEP 27OCT 02OCT 07OCT 12LOW 578.73579.86 ft

Records and averages

Current level579.86 ft
Record high584.25 ft (2014-05-01)
Record low569.09 ft (2014-02-12)
Average of all readings579.66 ft
Data span19 years (6,827 readings)

Level schematic

568.5572.6576.7580.8584.9PUBLISHED HIGH 584.25 ft579.86 ftPUBLISHED LOW 569.09 ft

Frequently asked questions

Is Chambers Lake full right now?

As of 2026-10-12, Chambers Lake sits at 579.86 ft, which is about average for this time of year. Over the past 30 days the level has risen 0.97 ft.

What is the water level at Chambers Lake today?

The most recent reading at Chambers Lake is 579.86 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Chambers Lake has ever been?

The highest level for Chambers Lake in our records is 584.25 ft on 2014-05-01. The lowest is 569.09 ft on 2014-02-12. Our record covers about 19 years of readings.

Is Chambers Lake low for this time of year?

Compared with every October in our records, the current level is higher than 55% of them, which we classify as about 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 Chambers 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. Chambers Lake has risen 0.97 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

How much has Chambers Lake changed over the past year?

Chambers Lake is +1.24 ft compared with this date last year (579.86 ft today). The full-history chart above covers 19 years, with a record high of 584.25 ft and a record low of 569.09 ft.

Download and cite

Quote this reading

Chambers Lake stood at 579.86 feet on Oct 12, 2026. That is higher than 55% of October readings since 2007.

From the U.S. Geological Survey, updated daily. The sentence changes with every new reading, so quote it with its date.

Download the full record

chambers-lake-pa-water-level-history.csv

6,827 readings, Sep 30, 2007 to Oct 12, 2026. Daily readings. The longest gap since then is 52 days, from Sep 17, 2013. Columns: date, water_level_ft. 127 KB.

How to cite

MyWaterLevel, “Chambers Lake water level, 2007 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/pa/chambers-lake/, accessed Oct 13, 2026.

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Source: the U.S. Geological Survey. All Pennsylvania lake levels. Readings are provisional and may be revised. About our data and methods.