River Watch
Live data from the Potomac. Real gauges. Real weather. Real smell.
The Smell-O-Meter™
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Sniffing the air near the American Legion Bridge...
USGS Water Levels
Live gauge readings from 4 Potomac River stations. Auto-refreshes every 15 minutes.
E. Coli Tracker
Weekly readings as multiples of the EPA safe limit (235 MPN/100mL). Log scale.
Source: UMD School of Public Health