Updated
Mahwah River
River
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby.
- Flow is above the 75th percentile for Aug 22 (median 38 ft³/s over 107 years); fast water is the top river-drowning risk.
Interactive map not available
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby.
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 01387500, as of Aug 21, 9:45 PM gauge-local time
- Flow is above the 75th percentile for Aug 22 (median 38 ft³/s over 107 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Aug 21, 9:45 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 22 (median 38 ft³/s over 107 years).
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Ramapo River near Mahwah NJ (0.5 mi away), as of Aug 21, 9:45 PM gauge-local time.
Weather at Mahwah River
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Frequently asked questions
- Where is Mahwah River?
- Mahwah River is a river in New Jersey.
- Can you swim at Mahwah River?
- Use caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby. Checked August 21, 2026.
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Best Times to Visit
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Location & Contact
New Jersey
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