Brownington Pond
Orleans County, VermontView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- 33 ft max depth
- Public access
- Limited data
Brownington Pond in Orleans County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 8.5 ft visibility.
- Clarity
- 8.5 ft
- Max depth
- ~33 ft est.
- Trend
- ↓ Declining
- Public access
- Yes
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Watch Brownington Pond’s letter
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Why Brownington Pond has no grade
Brownington Pond has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Brownington Pond is Not Rated — not an F. Its 8.5-foot median from 11 readings collected 2020–2024 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by VT DEC and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Brownington Pond is a lake in Orleans County, Vermont with an estimated average depth of about 33 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, VT DEC, last sampled 2024-05-07. Grade methodology: LakeQuality methodology.
What Brownington Pond is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Brownington Pond
These readings exist but are not enough for an A–F grade — see why.
Moderate clarity, visible to about 8.5 ft. TSI 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~33 ft est. |
| Average Depth | ~16 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Vermont has not published bathymetry for Brownington 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
- Brownington PondPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Brownington Pond
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.3 m/yr | 2 |
Graded lakes near Brownington Pond
Brownington Pond has no grade, but these lakes within a short drive do.
Nearby Lakes in Orleans County
Frequently asked questions about Brownington Pond
Where is Brownington Pond?
- Brownington Pond is a lake in Orleans County, Vermont. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Brownington Pond?
- Brownington Pond in Orleans County, Vermont is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 8.5 ft visibility.
Is Brownington Pond safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Brownington Pond?
- No published bathymetric survey covers Brownington Pond, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 33 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 boat ramps on Brownington Pond?
- Brownington Pond has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Brownington Pond. Public access is listed as yes.
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Where this data comes from
11 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
1VTDECWQ11 samples · 2020–2024
Analytical methods
- 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
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory