O Brien Lake
Sheridan County, Nebraska109 acresView mapDirections
No nutrient or algae sampling on record from Nebraska DEE for this lake.
O Brien Lake in Sheridan County, Nebraska has water-quality measurements published by Nebraska DEE, shown here as reported. Surface area: 109 acres.
O Brien Lake is a 109-acre lake in Sheridan County, Nebraska.
Source: EPA Water Quality Portal sampling records, NDEE. 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 O Brien Lake is safe to swim in today is a call for the Nebraska Department of Environment and Energy and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for O Brien Lake
These are the measurements Nebraska DEE publishes for O Brien Lake, 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 O Brien Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
109 acres
Shoreline
1.8 mi
No bathymetric survey has been published for O Brien Lake, so its depth is not documented here.
Stays via Stay22
Stays near O Brien Lake
Compare lakeside cabins, hotels, and vacation rentals near O Brien Lake in Sheridan County, Nebraska — 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 O Brien Lake
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 Nebraska’s top lakes →
Follow O Brien Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing O Brien Lake
Nearby Lakes in Sheridan County
Frequently asked questions about O Brien Lake
Where is O Brien Lake?
- O Brien Lake is a lake in Sheridan County, Nebraska. Its water-quality measurements are published by Nebraska DEE and shown on this page as reported.
What is the water quality of O Brien Lake?
- O Brien Lake in Sheridan County, Nebraska has water-quality measurements published by Nebraska DEE, shown here as reported. Surface area: 109 acres.
Is O Brien Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore O Brien Lake across LakeQuality
More lakes in Nebraska
Other Lakes in Nebraska
Where this data comes from
Measurements for O Brien Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.