What is the water quality grade for Northeast Arm of Mill Creek Lake?

Northeast Arm of Mill Creek Lake in Amherst County, Virginia received a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 11.5 µg/L.

Is Northeast Arm of Mill Creek Lake safe to swim in?

Good for swimming, clear water with low algae levels. Northeast Arm of Mill Creek Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 11.5 µg/L. Always check local health department advisories before swimming.

Amherst County, Virginia

Northeast Arm of Mill Creek Lake

Grade BGood · 4.1 ft clarity

Find places to stay →

Eutrophic

Northeast Arm of Mill Creek Lake is a productive, nutrient-rich eutrophic lake in Amherst County, Virginia. Water quality is graded B based on 2 sampling years through 2026. Compared to the 6 other monitored lakes in Amherst County, Northeast Arm of Mill Creek Lake ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, Virginia DNR, last sampled 2026-07-08. Grade methodology: LakeGrade methodology.

Watch Northeast Arm of Mill Creek Lake water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 4.1 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 11.5 µg/L. Trophic State Index: 53.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.1 ft	D
Phosphorus	20 µg/L	B
Chlorophyll-a (Algae)	11.5 µg/L	C
Trophic State Index (TSI)	53	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Northeast Arm of Mill Creek Lake

Compare lakeside cabins, hotels, and vacation rentals near Northeast Arm of Mill Creek Lake in Amherst County, Virginia — 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.

Top-rated places to stay near Northeast Arm of Mill Creek Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a trip to Northeast Arm of Mill Creek Lake?

Get lake water-quality report cards plus the best cabin & lodging deals near Northeast Arm of Mill Creek Lake — straight to your inbox. No spam, unsubscribe anytime.