What is the water quality grade for Harriman Pond?

Harriman Pond in Orange County, Vermont received a water quality grade of B (Good). Water clarity: 8.2 ft visibility. Phosphorus: 18.9 µg/L. Chlorophyll-a (algae): 0.5 µg/L.

Is Harriman Pond safe to swim in?

Good for swimming, clear water with low algae levels. Harriman Pond has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 0.5 µg/L. Always check local health department advisories before swimming.

Orange County, Vermont

Harriman Pond

Grade BGood · 8.2 ft clarity

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Oligotrophic

Harriman Pond is a cold, clear oligotrophic lake in Orange County, Vermont. Water quality is graded B based on 3 sampling years through 2022. Compared to the 8 other monitored lakes in Orange County, Harriman Pond ranks #9 for water quality.

Source: EPA Water Quality Portal sampling records, Vermont DNR, last sampled 2022-04-19. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Moderate clarity, visible to about 8.2 ft. Phosphorus level: 18.9 µg/L. Chlorophyll-a: 0.5 µg/L. Trophic State Index: 39.

Metric	Value	Grade
Water Clarity (Secchi Depth)	8.2 ft	C
Phosphorus	18.9 µg/L	A
Chlorophyll-a (Algae)	0.5 µg/L	A
Trophic State Index (TSI)	39	Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Harriman Pond

Compare lakeside cabins, hotels, and vacation rentals near Harriman Pond in Orange County, Vermont — 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.

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Fishing Harriman Pond

→ Harriman Pond fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #9 of 9 lakes in Orange County

Cleaner Lakes Within 30 Miles

Harriman Pond holds Grade B. 5 nearby lakes hold higher grades.

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Nearby Lakes in Orange County

Unnamed Pond Referred To by Dec As Waits

Explore Harriman Pond across LakeGrade

Lake Fishing Forecast

Species activity outlook by water temperature and season

Oligotrophic Lakes

Low nutrients, clear water, excellent for swimming

The State of Vermont's Lakes

Vermont's cleanest and most-polluted lakes, ranked

More Vermont Lake Rankings

Cleanest lakes in Vermont

Top 25 by overall water quality score

Clearest lakes in Vermont

Top 25 by Secchi water clarity

Best swimming lakes in Vermont

Grade A/B + low algae filter

Family fishing lakes in Vermont

Panfish-rich, public access

All Vermont lakes

Full state directory

Other Grade B Lakes in Vermont

Ticklenaked Pond

Caledonia County · Clarity: 8.5 ft

Ricker Pond

Caledonia County · Clarity: 9.2 ft

Martins Pond

Caledonia County · Clarity: 12.1 ft

Ewell Pond

Caledonia County · Clarity: 13 ft

Turtlehead Pond

Washington County · Clarity: 7.7 ft

Mollys Falls Reservoir

Washington County · Clarity: 10.8 ft

Oligotrophic Lakes in Vermont

Harveys Lake Ricker Pond Peacham Pond Keiser Pond

More records, surveys & data sources

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-04-19

Monitoring stations: 1

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