Loch Raven Reservoir
Lake in Maryland, near Timonium
Current status
No current status is assigned to this water outline. Check the water page for reports and any estimated downstream stretches. Why this status, and its source
Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.
Square boat markers mark boat launches listed by OpenBoatLaunch.
Bookmark this water page and check it before each trip · Report a missing notice or error
About this status
No current status shown: no report we track sets a status on this water now; how statuses work
Sources checked: MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u) (last successful check 2026-11-03 02:31 UTC). Status by DirtyWaterWatch, updated 2026-11-03 02:43 UTC. · Updated
The last 90 days
No discharge, advisory or caution periods are shown for this water in this time span. Check downstream stretches and source coverage.
Source: DirtyWaterWatch calculations using the reports named above and the published status rules. Updated 2026-11-03 02:43 UTC.
Reported discharges over time
Historical charts are not available here. See the reports and sources on this page.
Reports linked to Loch Raven Reservoir
Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
| When | Report | Status |
|---|---|---|
| to 8:00 PM | Baltimore County DPW · 115 Wight Avenue · SSO · 10 gallons report · notice · map | ended |
Sources: MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), retrieved 2026-11-03 02:31 UTC. A report's record id and times show when you hover or focus its "report" link.
All reports in Maryland by year: 2025 (1 here)
Wastewater outlets on this water
Outfall: a pipe or outlet where wastewater enters a water body.
No wastewater outlet in our records is linked to this water.
Boat launches
- Loch Raven Fishing Center, Timonium · Boat ramp · permit or residents only
Source: OpenBoatLaunch launch records (public agency data and OpenStreetMap, Open Database License). · Loch Raven Reservoir on OpenBoatLaunch
Nearby waters
- Dark Head Creek, MD No current status shown about 20 km away
- Northwest Harbor, MD End not confirmed about 21 km away
- Middle River, MD No current status shown about 22 km away
- Middle Branch Patapsco River, MD No current status shown about 22 km away
- Patapsco River, MD No current status shown about 24 km away
Sources covering this water
- MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u) · Latest check succeeded · Last successful check: 2026-11-03 02:31 UTC
1 record linked to this water. Updated .