Bergen County Lake Quality
New Jersey, 1 lake, average grade D (Nutrient-rich)
Only 1 lakes in Bergen County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. On average, Bergen County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Green Brook Pond (D); the most-stressed is Green Brook Pond (D).
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Quick Answers for Bergen County
Planning a trip? Check special fishing regulations for Green Brook Pond — or check the official New Jersey fishing regulations.
All Lakes in Bergen County
1 lake1 graded lake
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | DGreen Brook PondBergen | D | 4.4 ft | 43.1 µg/L | 24.1 µg/L | No recent samples | Not recorded |
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Other Counties in New Jersey
See how Bergen County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 49 states and 2 Canadian provinces.
Source: EPA National Aquatic Resource Surveys, 2026.