Virginia Beach city County, Virginia · Water Quality Report Card
B Pool
B Pool in Virginia Beach city County, Virginia is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 0.7 ft visibility.
- Clarity
- 0.7 ft
- Type
- Hypereutrophic
- Trend
- ↓ Declining
B Pool is a highly nutrient-loaded hypereutrophic lake in Virginia Beach city County, Virginia. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2021-11-03. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Very murky, less than 0.7 ft of visibility. Trophic State Index: 83.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.7 ft | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 83 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing B Pool
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.029 m/yr | 5 |
Location
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Where this data comes from
71 measurements from 1 monitoring station, 2015–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Back Bay National Wildlife Refuge
BACKBAYNWR71 samples · 2015–2021
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2021-11-03
Monitoring stations: 1