Roos Reservoir
Cameron County, Texas28 acresView mapDirections
No nutrient or algae sampling on record from TCEQ for this lake.
Roos Reservoir in Cameron County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 28 acres.
Roos Reservoir is a 28-acre lake in Cameron County, Texas.
Source: EPA Water Quality Portal sampling records, TCEQ. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Roos Reservoir is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Roos Reservoir
These are the measurements TCEQ publishes for Roos Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Roos Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
28 acres
No bathymetric survey has been published for Roos Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Roos Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Roos Reservoir in Cameron County, Texas — 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 Roos Reservoir
Prices for Oct 16–18, 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 Texas’s top lakes →
Follow Roos Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Roos Reservoir
Nearby Lakes in Cameron County
Frequently asked questions about Roos Reservoir
Where is Roos Reservoir?
- Roos Reservoir is a lake in Cameron County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Roos Reservoir?
- Roos Reservoir in Cameron County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 28 acres.
Is Roos Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Roos Reservoir across LakeQuality
More lakes in Texas
Other Lakes in Texas
Where this data comes from
Measurements for Roos Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.