Updated
Laurel Run Reservoir
Lake · St Marys, Pennsylvania
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry.
- Flow is above the 75th percentile for Aug 23 (median 217 ft³/s over 54 years); fast water is the top river-drowning risk.
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Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry. — USGS gauge 03028500, as of Aug 23, 5:45 PM gauge-local time
- Flow is above the 75th percentile for Aug 23 (median 217 ft³/s over 54 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Aug 23, 5:45 PM gauge-local time
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Flow is high for this date — above the 75th percentile for Aug 23 (median 217 ft³/s over 54 years).
No official beach-advisory feed for Pennsylvania yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Clarion River at Johnsonburg, PA (6.5 mi away), as of Aug 23, 5:45 PM gauge-local time.
Weather at Laurel Run Reservoir
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Frequently asked questions
- Where is Laurel Run Reservoir?
- Laurel Run Reservoir is a lake in St Marys, Pennsylvania.
- What is the water temperature at Laurel Run Reservoir?
- As of August 23, 2026, the water temperature at Laurel Run Reservoir in St Marys, Pennsylvania is 65°F (19°C), measured by USGS gauge 03028500, 6.5 miles away.
- Can you swim at Laurel Run Reservoir?
- Use caution — flow is well above normal for this date: water temperature is 65°F, cool enough to cause cold-water shock on a sudden entry. Checked August 23, 2026.
- How is Laurel Run Reservoir rated?
- Laurel Run Reservoir in St Marys, Pennsylvania has an average visitor rating of 4.4 out of 5, based on 8 reviews.
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