Broad
Keyport Borough, Monmouth County
Poor Water Quality
Check current conditions before swimming
Low bacteria levels - good water quality
5-Year Water Quality Trend
Bacteria Level#Advisories
Chart shows geometric mean bacteria levels (CFU/100mL) by year. The EPA Beach Action Value is 104 CFU/100mL.
Year-by-Year Data
| Year | Geomean | Advisories | Closures |
|---|---|---|---|
| 2025 | 45 CFU | 7 | 0 |
| 2024 | 28 CFU | 2 | 0 |
| 2023 | 44 CFU | 5 | 0 |
| 2022 | 19 CFU | 0 | 0 |
| 2021 | No data | 3 | 0 |
| 5-Year Avg | 39 CFU | 17 | 0 |
Quick Stats
- 5-Year Geomean
- 39 CFU/100mL
- 2025 Advisories
- 7
- Total Closures (5yr)
- 0
- Beach Type
- ocean
- Station ID
- MC0001
Check Conditions
7 advisories this year. Check current conditions before swimming.
2025 Advisories
7
5-Year Total
17
No closures in the past 5 years
Tip: Wait 24-48 hours after heavy rainfall before swimming. Bacteria levels typically return to normal within this timeframe.
Data Source
Data provided by the New Jersey Department of Environmental Protection (NJDEP) Cooperative Coastal Monitoring Program (CCMP). Learn more →