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 at full pool, with a water-surface elevation of 1190.1 feet.

1190.09 ft · Updated Oct 6 · U.S. Geological Survey

Current level

1,190.09ft

At 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.

7-day trend: Falling

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
1190.09 ft

No live elevation history

This lake has no public live pool gage, so Lake Insights cannot plot a water-level history. Published conservation or full-pool elevation may still appear in the panels below.

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Level is near the full pool

Lake Arthur is currently 1190.09 ft, near its full pool.

Lake Arthur Level Details

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

Conditions & Reference

Level status

0.09 ft above full pool

Current level
1,190.09 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

Surrounding county drought

No Drought

No official drought (D1–D4) reported for the surrounding county.

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

Butler County, PA

No Drought

No Drought. No USDM drought categories are reported for Butler County, PA. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Stable compared with last week. Official drought (D1–D4) no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought (D1–D4)

No

No D1–D4 area is reported for the surrounding county.

U.S. Drought Monitor · map date Nov 3, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Butler County, PA

Daily level summary

Daily history updating

Daily rows will appear here as level summaries are recorded for this lake.

Common questions about Lake Arthur’s water level

  • The current water level at Lake Arthur is 1,190.09 ft (updated oct 6). 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.

  • The current 7-day trend for the Lake Arthur lake level is falling. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Arthur is currently at full pool.

Lake level glossary

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

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