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LakeQuality

Triadelphia Reservoir

Howard County, Maryland794 acresView mapDirections

No nutrient or algae sampling on record from MDE for this lake.

Max depth
60 ft
Bathymetric survey
Area
794 acres
Surface area
Shoreline
20.2 mi
Measured length
  • 60 ft max depth

Triadelphia Reservoir in Howard County, Maryland has water-quality measurements published by MDE, shown here as reported. Maximum depth: 60 ft. Surface area: 794 acres.

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Triadelphia Reservoir is a 794-acre lake in Howard County, Maryland with a maximum depth of 60 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Triadelphia Reservoir is good for

From access and monitoring records, not editorial picks.

  • Deep water60 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Triadelphia Reservoir is safe to swim in today is a call for the Maryland Department of the Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Triadelphia Reservoir

These are the measurements MDE publishes for Triadelphia 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 Triadelphia Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

60 ft

Surface area

794 acres

Shoreline

20.2 mi

Stays via Stay22

Stays near Triadelphia Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Triadelphia Reservoir in Howard County, Maryland — 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.

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Fishing Triadelphia Reservoir

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Frequently asked questions about Triadelphia Reservoir

Where is Triadelphia Reservoir?

Triadelphia Reservoir is a lake in Howard County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.

What is the water quality of Triadelphia Reservoir?

Triadelphia Reservoir in Howard County, Maryland has water-quality measurements published by MDE, shown here as reported. Maximum depth: 60 ft. Surface area: 794 acres.

Measurements on this page ↑

Is Triadelphia Reservoir safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Triadelphia Reservoir?

Triadelphia Reservoir has a maximum depth of 60 feet. The lake covers 794 acres.

Where this data comes from

Measurements for Triadelphia Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.