Updated
Flat Rock Brook
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 42 ft³/s over 102 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 01391500, as of Aug 22, 2:30 AM gauge-local time
- Flow is above the 75th percentile for Aug 22 (median 42 ft³/s over 102 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Aug 22, 2:30 AM gauge-local time
Flow is high for this date — above the 75th percentile for Aug 22 (median 42 ft³/s over 102 years).
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Saddle River at Lodi NJ (5.4 mi away), as of Aug 22, 2:30 AM gauge-local time.
Weather at Flat Rock Brook
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Frequently asked questions
- Where is Flat Rock Brook?
- Flat Rock Brook is a river in New Jersey.
- Can you swim at Flat Rock Brook?
- Use caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby. Checked August 22, 2026.
- What amenities does Flat Rock Brook have?
- Visitor-listed amenities at Flat Rock Brook include pet-friendly.
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Best Times to Visit
- ›Check water levels and current conditions before visiting
- ›Wear life jackets when on the water
- ›Be aware of rapids and potential hazards
- ›Respect private property along riverbanks
Location & Contact
New Jersey
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