Chapin Pond
Chapin Pond in Morris County, New Jersey has a water quality grade of F (Algae-prone). Water clarity: 2.8 ft visibility. Phosphorus: 40.7 µg/L. Chlorophyll-a (algae): 45.3 µg/L.
- Clarity
- 2.8 ft
- Type
- Hypereutrophic
Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Chapin Pond →
Chapin Pond is a highly nutrient-loaded hypereutrophic lake in Morris County, New Jersey. Water quality is graded F based on 2 sampling years through 2024. Compared to the 11 other monitored lakes in Morris County, Chapin Pond ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-10-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
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.
Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom
Water Quality Grade: F (Algae-prone)
Very murky, less than 2.8 ft of visibility. Phosphorus level: 40.7 µg/L. Chlorophyll-a: 45.3 µg/L. Trophic State Index: 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.8 ft | Not graded |
| Phosphorus | 40.7 µg/L | Poor |
| Chlorophyll-a (Algae) | 45.3 µg/L | Poor |
| Trophic State Index (TSI) | 63 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Chapin Pond
Compare lakeside cabins, hotels, and vacation rentals near Chapin Pond in Morris County, New Jersey — 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Chapin Pond are listed below.
Top-rated places to stay near Chapin Pond
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Fishing Chapin Pond
County Ranking
Ranked #11 of 12 lakes in Morris County
Nearby Lakes in Morris County
Frequently asked questions about Chapin Pond
Where is Chapin Pond?
- Chapin Pond is a lake in Morris County, New Jersey. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Chapin Pond?
- Chapin Pond in Morris County, New Jersey has a water quality grade of F (Algae-prone). Water clarity: 2.8 ft visibility. Phosphorus: 40.7 µg/L. Chlorophyll-a (algae): 45.3 µg/L.
Is Chapin Pond safe to swim in?
- Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Chapin Pond has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 45.3 µg/L. Always check local health department advisories before swimming.
Explore Chapin Pond across LakeGrade
More New Jersey Lake Rankings
Other Grade F Lakes in New Jersey
Hypereutrophic Lakes in New Jersey
Where this data comes from
54 measurements from 2 monitoring stations, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- NJDEP Bureau of Freshwater and Biological Monitoring
NJDEP_BFBM54 samples · 2023–2024
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (2)
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.