Robbins Pond
Plymouth County, Massachusetts85 acresView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- Impaired · Habitat alterations
- #2 of 12 in the county
- 48 ft max depth
- Limited data
Robbins Pond in Plymouth County, Massachusetts has a water quality grade of A (Excellent). Chlorophyll-a (algae): 3.1 µg/L. Surface area: 85 acres.
- Max depth
- ~48 ft est.
- Area
- 85 acres
- Type
- Mesotrophic
- Chlorophyll-a
- 3.1 µg/L
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Watch Robbins Pond’s letter
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Robbins Pond is a 85-acre mesotrophic lake in Plymouth County, Massachusetts with an estimated average depth of about 48 feet. Water quality is graded A based on 1 sampling years through 2018. Compared to the 11 other monitored lakes in Plymouth County, Robbins Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2018-08-28. Grade methodology: LakeQuality methodology.
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.
The A is nutrients and algae, not a swimming clearance. Robbins Pond is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
No clarity data. Chlorophyll-a 3.1 µg/L. TSI 42. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 3.1 µg/L | Good |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~48 ft est. |
| Average Depth | ~10 ft est. |
| Surface Area | 85 acres |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Massachusetts has not published bathymetry for Robbins Pond.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Robbins Pond
Reservoir Info (USACE NID)
Robbins Pond is a man-made reservoir impounded by the Stump Pond Dam (completed 1930), built primarily for fire protection, stock, or small fish pond on the Stump Brook; earth-type dam, 10 ft tall and 800 ft long.
- Surface area
- 85 ac
- Normal storage
- 425 ac-ft
- Max storage
- 800 ac-ft
- Drainage area
- 13.3 sq mi
- Hazard class
- Significant
- Owner
- ADGA Realty, LLC
Source: USACE National Inventory of Dams, NID ID MA00467 · Operator website
EPA Impairment Status
Robbins Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit MA62141 · Official waterbody report · Matched by proximity (1.02 km)
County Ranking
Ranked #2 of 12 lakes in Plymouth County
Nearby Lakes in Plymouth County
Frequently asked questions about Robbins Pond
Where is Robbins Pond?
- Robbins Pond is a lake in Plymouth County, Massachusetts. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Robbins Pond?
- Robbins Pond in Plymouth County, Massachusetts has a water quality grade of A (Excellent). Chlorophyll-a (algae): 3.1 µg/L. Surface area: 85 acres.
Is Robbins Pond safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Robbins Pond is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
How deep is Robbins Pond?
- No published bathymetric survey covers Robbins Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 48 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 85 acres.
Explore Robbins Pond across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP3 samples · 2018
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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
Lake size & watershed from HydroLAKES (HydroSHEDS)