Can you swim here today?
Cold Brook
New Hampshire · River
Live flow only — judge the water in person
Use cautionAs of August 22, 2026, USGS gauge 01130000, 9.5 miles away, reports a streamflow of 81 ft³/s near Cold Brook but no water-temperature reading.
Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 01130000, as of Aug 22, 6:30 AM gauge-local time
- Flow is within the normal range (25th–75th percentile) for Aug 22 (median 116 ft³/s over 80 years). — USGS daily streamflow statistics, as of Aug 22, 6:30 AM gauge-local time
Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 116 ft³/s over 80 years).
No official beach-advisory feed for New Hampshire yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge UPPER AMMONOOSUC RIVER NEAR GROVETON, NH (9.5 mi away), as of Aug 22, 6:30 AM gauge-local time.
Before you get in
- Never swim alone — and keep weaker swimmers within arm's reach.
- Scout depth and entry/exit points before you get in.
- Read the current: avoid fast, rising, or murky water.
- Check the forecast — get out well before storms or lightning.
- Obey posted signs, flags, and lifeguard guidance.
Read next
Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.