Where is Loch Raven Reservoir?

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

How deep is Loch Raven Reservoir?

Loch Raven Reservoir has a maximum depth of 72 feet. The lake covers 2200 acres.

Are there boat ramps on Loch Raven Reservoir?

Loch Raven Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Loch Raven Fishing Center. Public access is listed as yes.

Can I fish at Loch Raven Reservoir?

Loch Raven Reservoir 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 Maryland's fish and wildlife agency, so check its current regulations before you go.

Loch Raven Reservoir

Baltimore County, Maryland2,200 acresView map Directions

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

Max depth

72 ft

Bathymetric survey

Area

2,200 acres

Surface area

Shoreline

46.3 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
72 ft max depth
Public access

See the measurements Directions Where to stay

Loch Raven Reservoir in Baltimore County, Maryland has water-quality measurements published by MDE, shown here as reported. Maximum depth: 72 ft. Surface area: 2200 acres.

Loading map…

Loch Raven Reservoir is a 2,200-acre lake in Baltimore County, Maryland with a maximum depth of 72 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Loch Raven Reservoir is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water72 ft surveyed max depth
Big water2,200 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Loch Raven Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.

Whether Loch Raven 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.

Get alerts for Loch Raven Reservoir →

Water quality measurements for Loch Raven Reservoir

These are the measurements MDE publishes for Loch Raven 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 Loch Raven Reservoir

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

Lake Details

Max depth

72 ft

Surface area

2,200 acres

Shoreline

46.3 mi

Public access

Yes

Listed by MDE

Recreation & Access

Boat Landings

Yes

Public Access

Loch Raven Fishing CenterPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Loch Raven Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Loch Raven Reservoir in Baltimore 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.

Top-rated places to stay near Loch Raven 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.

Follow Loch Raven Reservoir’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Loch Raven Reservoir

→ Loch Raven Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Loch Raven Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)Sediment / turbidity

Designated uses not supporting: Aquatic life.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MD-02130805-Loch_Raven_Reservoir · Official waterbody report

Nearby Lakes in Baltimore County

Lake Roland6.4 miView →Lake Montebello9.4 miView →Druid Lake10.7 miView →Lake Ashburton11.2 miView →Prettyboy Reservoir15.3 miView →

Frequently asked questions about Loch Raven Reservoir

Where is Loch Raven Reservoir?: Loch Raven Reservoir is a lake in Baltimore County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.
What is the water quality of Loch Raven Reservoir?: Loch Raven Reservoir in Baltimore County, Maryland has water-quality measurements published by MDE, shown here as reported. Maximum depth: 72 ft. Surface area: 2200 acres.
Is Loch Raven Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Loch Raven Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.
How deep is Loch Raven Reservoir?: Loch Raven Reservoir has a maximum depth of 72 feet. The lake covers 2200 acres.
Are there boat ramps on Loch Raven Reservoir?: Loch Raven Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Loch Raven Fishing Center. Public access is listed as yes.
Can I fish at Loch Raven Reservoir?: Loch Raven Reservoir 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 Maryland's fish and wildlife agency, so check its current regulations before you go.