Bourn Pond
Bennington County, VermontView mapDirections
Nutrients and algae sit mid-range for this region.
↓ down from B at the last regrade
- Eutrophic
- Impaired · pH / acidity
- #8 of 8 in the county
- 24 ft max depth
- Limited data
Bourn Pond in Bennington County, Vermont has a water quality grade of C (Fair). Water clarity: 5.6 ft visibility. Phosphorus: 22.1 µg/L.
- Clarity
- 5.6 ft
- Max depth
- ~24 ft est.
- Type
- Eutrophic
- Phosphorus
- 22.1 µg/L
- Trend
- ↓ Declining
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Stays near Bourn Pond
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Watch Bourn Pond’s letter
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Bourn Pond is a productive, nutrient-rich eutrophic lake in Bennington County, Vermont with an estimated average depth of about 24 feet. Water quality is graded C based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 7 other monitored lakes in Bennington County, Bourn Pond ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2024-04-26. Grade methodology: LakeQuality methodology.
What Bourn Pond is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
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 C is nutrients and algae, not a swimming clearance. Bourn Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
Water Quality Grade: C (Fair)
Murky, only visible to about 5.6 ft. Phosphorus 22.1 µg/L. TSI 51. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.6 ft | Not graded |
| Phosphorus | 22.1 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~24 ft est. |
| Average Depth | ~14 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Bourn 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.
Recreation & Access
Public campgrounds near Bourn Pond
- Douglas Trail Shelter4.3 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Fishing Bourn Pond
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.107 m/yr | 3 |
| Phosphorus | → Stable | +0.11 µg/L/yr | 3 |
EPA Impairment Status
Bourn Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit VT01-05L01 · Official waterbody report
County Ranking
Ranked #8 of 8 lakes in Bennington County
Nearby Lakes With Higher Grades
Bourn Pond holds Grade C. 2 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Bennington County
Frequently asked questions about Bourn Pond
Where is Bourn Pond?
- Bourn Pond is a lake in Bennington County, Vermont. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Bourn Pond?
- Bourn Pond in Bennington County, Vermont has a water quality grade of C (Fair). Water clarity: 5.6 ft visibility. Phosphorus: 22.1 µg/L.
Is Bourn Pond safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Bourn Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for pH / acidity. Check local advisories before you swim.
How deep is Bourn Pond?
- No published bathymetric survey covers Bourn Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 24 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there campgrounds on Bourn Pond?
- Bourn Pond has 1 public campground from USGS The National Map within 5 km, including Douglas Trail Shelter. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Bourn Pond across LakeQuality
3 mi away · 125 ft
Species activity outlook by water temperature and season
Where to stay at Vermont's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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Other Grade C Lakes in Vermont
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Where this data comes from
51 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Vermont Dept of Environmental Conservation
1VTDECWQ51 samples · 2020–2024
Analytical methods
- 4500 P H ~ Manual Digestion and Flow Injection Analysis for Total Phosphorus
- EPA approved Alternate Test Procedure for 4500 P H. Has a 28 day hold without acid preservation.
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
- 2120 B ~ Color in Water by Visual Comparison
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)
Public campgrounds from USGS The National Map Structures, within about 3 miles