DirtyWaterWatch Public waters. Public record.

Maryland / Waters /

Patuxent River

River in Maryland, past Benedict, Bowie, Brandywine, California, Davidsonville, Eagle Harbor, Harwood, Hollywood, Huntingtown, Lothian, Mechanicsville and Owings

Current status

No current status shown

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.

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

Estimated downstream stretches on Patuxent River

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

Last 90 days, hour by hour. Red: discharge or advisory reported. Amber: caution. Hatched amber: end not confirmed. Grey: no current status on the water outline. Purple hatching: source update overdue.
  • Caution: to
    1 report: Howard County DPW 1
    Show records

    The records are also in the report table on this page.

  • Discharge or advisory reported: to
    1 report: Howard County DPW 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 Patuxent River

Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater. Treatment bypass: wastewater skips one or more treatment steps.

Reports linked to Patuxent River, newest first
WhenReportStatus
to 2:00 PMHoward County DPW · River Road · SSO · 33,000 gallons report · notice · mapended
to 11:15 PMWssc · 11705 Balsamwood Terrace · SSO · 323 gallons report · notice · mapended
to Feb 6, 3:00 AMWssc · 11702 Balsamwood Terrace · SSO · 1,020 gallons report · notice · mapended
to 8:30 PMWssc · 16808 Dorchester Place · SSO · 268 gallons report · notice · mapended
to 3:00 PMHoward County DPW · 7625 Murray Hill Rd · SSO · 250 gallons report · notice · mapended
to Aug 30 ’25, 10:30 PMAmerican Water Operations & Maintenance, Inc. · 3220 Laurel Fort Meade Rd · Bypass · 1.3 million gallons report · notice · mapended
to 1:45 PMCalvert County DPW · 14261 Solomons Island Road · SSO · 7,800 gallons report · notice · mapended
to 1:15 PMWssc · 12115 Pheasant Run Drive · SSO · 64 gallons report · notice · mapended
to Jul 2 ’25, 10:00 AMState Highway Administration · 8202 Rt. I-95 · SSO · 100,000 gallons report · notice · mapended
to 3:00 PMU.S. Navy · 47042 Pate Rd · SSO · 100 gallons report · notice · mapended
to 6:30 PMHoward County DPW · 8409 Sweet Cherry Lane · SSO · 3,500 gallons report · notice · mapended
to May 13 ’25, 4:00 AMWssc · 15700 Erwin Court · SSO · 1,594 gallons report · notice · mapended
to May 8 ’25, 6:00 PMHoward County DPW · 9045 Watchlight Court (behind) · SSO · 1 million gallons report · notice · mapended
to May 5 ’25, 11:00 AMCity of Bowie · 16550 Annapolis Rd · SSO · 300,000 gallons report · notice · mapended
to 3:30 PMWssc · 6624 Weaver Court · SSO · 6,000 gallons report · notice · mapended
to 10:00 PMAnne Arundel County DPW · 8791 Piney Orchard Parkway · SSO · 3,000 gallons report · notice · mapended
to 12:45 PMHoward County DPW · 11231 Powder Run · SSO (earlier version) · 250 gallons report · notice · mapended
to Jun 26 ’24, 12:00 AMWssc · 8912 Cherry Lane · SSO · 306 gallons report · notice · mapended
to 1:15 PMAnne Arundel County DPW · 8791 Piney Orchard Parkway · SSO · 2,000 gallons report · notice · mapended
to 6:30 PMHoward County DPW · 8880 Baltimore Street · SSO · 32 gallons report · notice · mapended
to Feb 5 ’24, 12:30 PMCity of Bowie · 12134 Long Ridge Lane · SSO · 50,000 gallons report · notice · mapended
to 2:15 PMHoward County DPW · 7513 Murray Hill Road · SSO · 100 gallons report · notice · mapended
to 8:45 AMPatuxent MHC, LLC · 5380 Sand Rd. · SSO · 100 gallons report · notice · mapended
to 10:00 PMWssc · 17103 Usher Place · SSO · 546 gallons report · notice · mapended
to 8:00 PMWssc · 6601 Weaver Ct · SSO · 1,749 gallons report · notice · mapended

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.

Download these reports as CSV

All reports in Maryland by year: 2026 (3 here) · 2025 (11 here) · 2024 (7 here) · 2023 (4 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

Source: OpenBoatLaunch launch records (public agency data and OpenStreetMap, Open Database License). · Patuxent River on OpenBoatLaunch

Nearby waters

Sources covering this water

25 records linked to this water. Updated .