Four Mile Run
River in Virginia, past Alexandria
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
This badge describes the water outline. Check the downstream stretches on the map and below for discharge statuses.
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.
Check Arlington County DES (Water Pollution Control Plant and collection system)'s notices · 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: Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related (last successful check 2026-11-03 02:42 UTC). Status by DirtyWaterWatch, updated 2026-11-03 02:43 UTC. · Updated
Estimated downstream stretches on Four Mile Run
No downstream stretch has a current status here as of Nov 2, 2026, 9:43 PM EST. Check the reports below.
The last 90 days
- Caution: to 1 report: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office 1
Show records
The records are also in the report table on this page.
- Discharge or advisory reported: to 1 report: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office 1
Show records
The records are also in the report table on this page.
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 Four Mile Run
Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
| When | Report | Status |
|---|---|---|
| to Oct 15, 1:30 AM | Virginia DEQ Pollution Response Program (PReP), Northern Regional Office · SSO · volume not reported report · notice · map | ended |
| to 11:00 AM | Virginia DEQ Pollution Response Program (PReP), Northern Regional Office · SSO · 100 gallons report · notice · map | ended |
Sources: Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related, retrieved 2026-11-03 02:40 UTC. A report's record id and times show when you hover or focus its "report" link.
All reports in Virginia by year: 2026 (1 here) · 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.
Sewer operators listed for this water: Arlington County DES (Water Pollution Control Plant and collection system).
Boat launches
- Four Mile Run Boat Launch, Alexandria · Boat ramp
- Four Mile Run Park/Trail, Alexandria · Carry-in launch (canoe and kayak)
Source: OpenBoatLaunch launch records (public agency data and OpenStreetMap, Open Database License). · Four Mile Run on OpenBoatLaunch
Nearby waters
- Potomac River, DC No current status shown about 2 km away
- Chesapeake and Ohio Canal, DC No current status shown about 8 km away
- Piney Branch, DC No current status shown about 10 km away
- Oxon Run, DC No current status shown about 10 km away
- Rock Creek, DC No current status shown about 10 km away
Sources covering this water
- Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related · Latest check succeeded · Last successful check: 2026-11-03 02:42 UTC
2 records linked to this water. Updated .