Hallockville Pond
Franklin County, Massachusetts16 acresView mapDirections
MassDEP publishes the water-quality measurements for Hallockville Pond. Here is what has been measured.
- Oligotrophic
- Public access
- Limited data
Hallockville Pond in Franklin County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 1.2 µg/L. Surface area: 16 acres.
Hallockville Pond is a 16-acre cold, clear oligotrophic lake in Franklin County, Massachusetts. Limited fish-species data available. Public access is available. Compared to the 3 other monitored lakes in Franklin County, Hallockville Pond ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, MassDEP, last sampled 2016-09-01. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hallockville Pond is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hallockville Pond
These are the measurements MassDEP publishes for Hallockville Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 1.2 µg/L. TSI 32.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 1.2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 32 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Hallockville Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
16 acres
Public access
Yes
Listed by MassDEP
No bathymetric survey has been published for Hallockville Pond, so its depth is not documented here.
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Fishing Hallockville Pond
Reservoir Info (USACE NID)
Hallockville Pond is a man-made reservoir impounded by the Hallockville Pond Dam, built primarily for recreation on the King Brook; earth-type dam, 15 ft tall and 132 ft long.
- Surface area
- 16 ac
- Normal storage
- 70 ac-ft
- Max storage
- 175 ac-ft
- Drainage area
- 1.65 sq mi
- Hazard class
- Significant
- Owner
- MA Department of Conservation and Recreation
Source: USACE National Inventory of Dams, NID ID MA00465 · Operator website
Nearby Lakes in Franklin County
Frequently asked questions about Hallockville Pond
Where is Hallockville Pond?
- Hallockville Pond is a lake in Franklin County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Hallockville Pond?
- Hallockville Pond in Franklin County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Chlorophyll-a (algae): 1.2 µg/L. Surface area: 16 acres.
Is Hallockville Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Hallockville Pond?
- Public access to Hallockville Pond is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Massachusetts's fish and wildlife agency, so check its current regulations before you go.
Explore Hallockville Pond across LakeQuality
2 documented falls within 9.8 mi, nearest Tannery Falls
Species activity outlook by water temperature and season
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Where this data comes from
3 measurements from 1 monitoring station, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Massachusetts Department of Environmental Protection (MassDEP)
MASSDEP3 samples · 2016
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.