Lake Robertson
Rockbridge County, Virginia26 acresView mapDirections
Virginia DEQ publishes the water-quality measurements for Lake Robertson. Here is what has been measured.
- Oligotrophic
- Public access
Lake Robertson in Rockbridge County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Water clarity: 13.9 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.9 µg/L. Surface area: 26 acres.
Lake Robertson is a 26-acre cold, clear oligotrophic lake in Rockbridge County, Virginia. Overall water quality is improving 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, Virginia DEQ, last sampled 2026-06-15. Methodology: how these readings are compared.
Lake Robertson covers about 26 acres in Rockbridge County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Lake Robertson on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Lake Robertson is good for
From access and monitoring records, not editorial picks.
- Clear water13.9 ft of visibility
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLow algae
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 Lake Robertson is safe to swim in today is a call for the Virginia Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Robertson
These are the measurements Virginia DEQ publishes for Lake Robertson, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13.9 ft. Phosphorus 10 µg/L. Chlorophyll-a 1.9 µg/L. TSI 38.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 10µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 1.9µg/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. | 38 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Robertson
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
26 acres
Public access
Yes
Listed by Virginia DEQ
No bathymetric survey has been published for Lake Robertson, so its depth is not documented here.
Recreation & Access
- Lake RobertsonPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Robertson
Compare lakeside cabins, hotels, and vacation rentals near Lake Robertson in Rockbridge 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 Lake Robertson
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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 whole trip? See where to stay at Virginia’s top lakes →
Follow Lake Robertson’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Robertson
Water Quality Trend: Improving
Based on 5 years of monitoring (2013–2026).
Water clarity
Stable5 years
Phosphorus
Improving-0.61 µg/L/yr4 years
Chlorophyll-a
Improving-0.14 µg/L/yr4 years
Reservoir Info (USACE NID)
Lake Robertson is a man-made reservoir impounded by the Robertson Dam, built primarily for recreation on the Unnamed tributary to Colliers Creek - VAHU6 JU84 Colliers Creek; earth-type dam, 52 ft tall and 400 ft long.
- Surface area
- 26 ac
- Normal storage
- 440 ac-ft
- Max storage
- 678 ac-ft
- Drainage area
- 1 sq mi
- Hazard class
- High
- Owner
- Virginia Department of Wildlife Resources
Source: USACE National Inventory of Dams, NID ID VA163002 · Operator website
Nearby Lakes in Rockbridge County
Frequently asked questions about Lake Robertson
Where is Lake Robertson?
- Lake Robertson is a lake in Rockbridge County, Virginia. Its water-quality measurements are published by Virginia DEQ and shown on this page as reported.
What is the water quality of Lake Robertson?
- Lake Robertson in Rockbridge County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Water clarity: 13.9 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 1.9 µg/L. Surface area: 26 acres.
Is Lake Robertson safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lake Robertson?
- Lake Robertson has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Robertson. Public access is listed as yes.
Can I fish at Lake Robertson?
- Lake Robertson has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Virginia's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Robertson across LakeQuality
20.1 mi away · 200 ft
10.3 mi away · recorded at 72°F
Species activity outlook by water temperature and season
Where to stay at Virginia's top lakes, each with its readings
Virginia's cleanest lakes, ranked on agency measurements
More lakes in Virginia
Other Lakes in Virginia
Oligotrophic Lakes in Virginia
Where this data comes from
113 measurements from 1 monitoring station, 2013–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB113 samples · 2013–2026
Analytical methods
- Tyler, John. 1968. The secchi disk, Limnology and Oceanograpy, 13(1):1-6.
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 446.0 ~ EPA; Chlorophylls and Pheopigments in Phytoplankton by Spectrophotometry
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory