Historical water level

Granger Lake Water Level History

Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.

Current level503.96 ftUSGS • Oct 7, 5:00 PM UTC
7-day change+0.31 ftrising
30-day high504.09 ftHighest reading in available series
30-day low503.62 ftLowest reading in available series
30-day history

Granger Lake water-level chart

-0.13 ft
503.62 ft30 days504.09 ft

Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.

30-day movement

What has Granger Lake been doing?

Across the available 30-day series, Granger Lake is falling overall. The measured range runs from 503.62 ft to 504.09 ft, with a net change of -0.13 ft.

Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.

Daily summary

Recent daily levels

DateLowAverageHigh
Oct 7503.96 ft503.96 ft503.96 ft
Oct 6503.95 ft503.96 ft503.96 ft
Oct 5503.93 ft503.94 ft503.95 ft
Oct 4503.86 ft503.89 ft503.93 ft
Oct 3503.74 ft503.80 ft503.86 ft
Oct 2503.72 ft503.73 ft503.74 ft
Oct 1503.63 ft503.66 ft503.72 ft
Sep 30503.62 ft503.64 ft503.65 ft
Sep 29503.64 ft503.66 ft503.67 ft
Sep 28503.67 ft503.68 ft503.70 ft
Sep 27503.69 ft503.71 ft503.72 ft
Sep 26503.71 ft503.72 ft503.73 ft
Sep 25503.73 ft503.75 ft503.76 ft
Sep 24503.75 ft503.77 ft503.78 ft
Sep 23503.78 ft503.79 ft503.81 ft
Sep 22503.76 ft503.79 ft503.80 ft
Sep 21503.77 ft503.81 ft503.83 ft
Sep 20503.82 ft503.83 ft503.85 ft
Sep 19503.84 ft503.86 ft503.87 ft
Sep 18503.86 ft503.88 ft503.89 ft
Sep 17503.88 ft503.90 ft503.91 ft
Sep 16503.91 ft503.92 ft503.93 ft
Sep 15503.93 ft503.95 ft503.96 ft
Sep 14503.95 ft503.97 ft503.98 ft
Sep 13503.98 ft503.99 ft504.00 ft
Sep 12504.00 ft504.01 ft504.03 ft
Sep 11504.00 ft504.02 ft504.05 ft
Sep 10504.02 ft504.03 ft504.04 ft
Sep 9504.04 ft504.05 ft504.05 ft
Sep 8504.05 ft504.06 ft504.07 ft
Questions people ask

Granger Lake level-history FAQ

How has Granger Lake water level changed over the last 30 days?

Across the available 30-day sensor series, the net change is -0.13 ft and the overall direction is falling.

What was the highest Granger Lake level in the last 30 days?

The highest reading in the available 30-day series is 504.09 ft.

What was the lowest Granger Lake level in the last 30 days?

The lowest reading in the available 30-day series is 503.62 ft.

Are historical USGS lake readings final?

Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.