Burlington County Lake Quality
New Jersey, 15 lakes, average grade C (Fair)
Burlington County's 15 graded lakes fall in the moderate-density bracket for New Jersey. The county-level average smooths over real differences — a single agricultural watershed near the southwest corner can pull the average down even if the rest of the county runs clean. Burlington County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.
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 Lake Absegami (A); the most-stressed is Country Lake (F).
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Quick Answers for Burlington County
Planning a trip? Check special fishing regulations for Lake Absegami — or check the official New Jersey fishing regulations.
All Lakes in Burlington County
15 lakes · 11 graded, 4 not rated11 graded lakes · 4 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | ALake AbsegamiBurlington | A | 3.3 ft | 7 µg/L | 1.4 µg/L | No recent samples | Not recorded |
| 2 | AMt. Misery LakeBurlington | A | 4.4 ft | 19.8 µg/L | 3.2 µg/L | No recent samples | Not recorded |
| 3 | AOswego LakeBurlington | A | 2.1 ft | 21.2 µg/L | 2.5 µg/L | No recent samples | Not recorded |
| 4 | BLee Bros PondBurlington | B | 1 ft | 42.1 µg/L | 7.9 µg/L | No recent samples | Not recorded |
| 5 | CIndian Mills LakeBurlington | C | 1.6 ft | 56.8 µg/L | 24.1 µg/L | No recent samples | Not recorded |
| 6 | CTimber LakeBurlington | C | 4.6 ft | 25.8 µg/L | 19.9 µg/L | No recent samples | Not recorded |
| 7 | CUnl LakeBurlington | C | 1.8 ft | 143.5 µg/L | 2.3 µg/L | No recent samples | Not recorded |
| 8 | DBig Pine LakeBurlington | D | 4.9 ft | 80 µg/L | 13.3 µg/L | No recent samples | Not recorded |
| 9 | DSmithville Dock LakeBurlington | D | 1.6 ft | 90 µg/L | No recent samples | No recent samples | Not recorded |
| 10 | FCountry LakeBurlington | F | 0.7 ft | 260 µg/L | 37.2 µg/L | No recent samples | Not recorded |
| 11 | FEagle LakeBurlington | F | 1.1 ft | 190 µg/L | 60.4 µg/L | No recent samples | Not recorded |
| NRCutts Bros PondBurlington | NR | 1.6 ft | 13.5 µg/L | 20.3 µg/L | No recent samples | Not recorded | |
| NRDecou PondBurlington | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRGoose PondBurlington | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded | |
| NRSmithville Mid-LakeBurlington | NR | 0.7 ft | 90 µg/L | No recent samples | No recent samples | Not recorded |
NR = not rated: the monitoring record does not meet the evidence bar for a grade. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
Lake Match
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Other Counties in New Jersey
See how Burlington 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.