Cobbetts Pond-Bella Vista
Cobbetts Pond-Bella Vista in Rockingham County, New Hampshire has a water quality grade of C (Fair). Phosphorus: 27.8 µg/L.
- Type
- Eutrophic
Cobbetts Pond-Bella Vista is a productive, nutrient-rich eutrophic lake in Rockingham County, New Hampshire. Water quality is graded C based on 1 sampling years through 2025. Compared to the 50 other monitored lakes in Rockingham County, Cobbetts Pond-Bella Vista ranks #36 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-08-26. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyBacteria advisory
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
No clarity data. Phosphorus level: 27.8 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 27.8 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Cobbetts Pond-Bella Vista
Compare lakeside cabins, hotels, and vacation rentals near Cobbetts Pond-Bella Vista in Rockingham County, New Hampshire — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Cobbetts Pond-Bella Vista
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Fishing Cobbetts Pond-Bella Vista
EPA Impairment Status
Cobbetts Pond-Bella Vista is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK700061204-01-01 · Official waterbody report · Matched by proximity (0.81 km)
County Ranking
Ranked #36 of 51 lakes in Rockingham County
Nearby Lakes in Rockingham County
Frequently asked questions about Cobbetts Pond-Bella Vista
Where is Cobbetts Pond-Bella Vista?
- Cobbetts Pond-Bella Vista is a lake in Rockingham County, New Hampshire. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Cobbetts Pond-Bella Vista?
- Cobbetts Pond-Bella Vista in Rockingham County, New Hampshire has a water quality grade of C (Fair). Phosphorus: 27.8 µg/L.
Is Cobbetts Pond-Bella Vista safe to swim in?
- Generally safe for swimming, moderate water quality. Cobbetts Pond-Bella Vista has a water quality grade of C (Fair). Always check local health department advisories before swimming.
Explore Cobbetts Pond-Bella Vista across LakeGrade
More New Hampshire Lake Rankings
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Top 25 by Secchi water clarity
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Panfish-rich, public access
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Other Grade C Lakes in New Hampshire
Eutrophic Lakes in New Hampshire
Where this data comes from
17 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
1111330017 samples · 2021–2025
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database