Fish kill triggered in Potomac River as water temperatures surge to record 94 degrees due to extreme heat wave
The East Coast's Fourth of July heat wave drove the Potomac River north of Little Falls, Maryland, to a record temperature, contributing to a large fish kill, officials said.

Expanded Context
Brimstone Report is tracking this as a curated disasters & weather brief. The source report from NY Post says: The East Coast's Fourth of July heat wave drove the Potomac River north of Little Falls, Maryland, to a record temperature, contributing to a large fish kill, officials said.
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Key Facts
- Primary source: NY Post
- Published: Jul 9, 2026, 11:52 PM UTC
- Coverage area: Disasters & Weather
- Brimstone role: curated summary, explanation, and source attribution
- Topic signals: developing story metadata
Timeline
- Source published: Jul 9, 2026, 11:52 PM UTC
- Brimstone indexed: Added to the curated Brimstone feed and linked to related coverage.
- Next update to watch: Additional sourcing, official confirmation, court or agency records, or follow-up reporting.
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