Lake Arthur lake and shoreline

Lake Arthur Water Level

Officially Lake Arthur at Moraine State Park (Muddy Creek)

Pennsylvania

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Lake Arthur

The latest available reading shows Lake Arthur is currently 0.2 feet above full pool, with a water-surface elevation of 1190.2 feet.

1190.23 ft · Updated Jul 7 · U.S. Geological Survey

Current level

1,190.23ft

+0.23 ft vs full pool

Status unavailable

Vs full pool

Since last reading

No prior reading

Change appears once we have two daily level summaries on file.

Prior reading unavailable

7-day change

Insufficient 7-day history

7-day change is shown once at least a week of daily data is on file.

Insufficient history for 7-day trend

Not enough readings in this period

Need at least two readings in the last 7 days for a trend preview.

30-day change

Insufficient 30-day history

30-day change is shown once 30 days of daily history are available.

Not enough readings in this period

Need at least two readings in the last 30 days for a trend preview.

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Water Level History

Current
1190.23 ft

Chart updating

The trend line appears after we have at least two daily level points for this lake. Check back as historical data fills in.

Reference line is designed full pool.

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Lake Level Context

Level remains above the full pool

Lake Arthur is currently 1190.23 ft, 0.23 ft above its full pool.

Lake Arthur Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

0.23 ft above full pool

Current level
1,190.23 ft
Full pool
1,190 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
USGS

Reference levels

  • Full pool1,190 ft

Watershed drought

No Drought

None reported for the surrounding watershed.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Butler County, PA

No Drought

No Drought. No official drought conditions.. Trend: Stable compared with last week. Official drought no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

No official drought is reported for the surrounding watershed.

U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Butler County, PA

Daily level summary

DateLevelChange
Jul 6, 20261,190.23—

Common questions about Lake Arthur’s water level

  • The current water level at Lake Arthur is 1,190.23 ft (updated jul 7). You can track the Lake Arthur lake level on the interactive chart and daily history above.

  • Full pool for Lake Arthur is 1,190 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • Based on the latest gauge reading, Lake Arthur is currently 0.23 ft above full pool.

  • Readings refresh when U.S. Geological Survey publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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