Morrow Reservoir
Elmore County, Idaho43 acresView mapDirections
No nutrient or algae sampling on record from Idaho DEQ for this lake.
Morrow Reservoir in Elmore County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 43 acres.
Morrow Reservoir is a 43-acre lake in Elmore County, Idaho.
Source: EPA Water Quality Portal sampling records, IDEQ. 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 Morrow Reservoir is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Morrow Reservoir
These are the measurements Idaho DEQ publishes for Morrow 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 Morrow Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
43 acres
Shoreline
1.1 mi
No bathymetric survey has been published for Morrow Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Morrow Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Morrow Reservoir in Elmore County, Idaho — 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 Morrow 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 Idaho’s top lakes →
Follow Morrow Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Morrow Reservoir
Nearby Lakes in Elmore County
Frequently asked questions about Morrow Reservoir
Where is Morrow Reservoir?
- Morrow Reservoir is a lake in Elmore County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Morrow Reservoir?
- Morrow Reservoir in Elmore County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 43 acres.
Is Morrow Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Morrow Reservoir across LakeQuality
More lakes in Idaho
Other Lakes in Idaho
Where this data comes from
Measurements for Morrow Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.