Maryland / Reports /

Combined sewer overflow (CSO) reported — Mayor and City Council of Cumberland, Aug 7, 2026

Ended (as reported) · Mayor and City Council of Cumberland

Source: Mayor and City Council of Cumberland via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record md0021598-20260807T1154-valley-st-mill-race-elizabeth-st-oldtown-rd-bedford-st-n-mechanic-st-franklin-st-avirett-st-walnut-pl, updated by the source Nov 2, 2026, 10:55 AM EST, retrieved 2026-11-03 02:31 UTC · Read the original notice

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Mayor and City Council of Cumberland (federal wastewater discharge permit, NPDES, MD0021598). Outlet: “Valley Street, Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Avirett Street, Walnut Place”. Location: not given in the report or in the outlet records.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “Wills Creek & Potomac River”. DirtyWaterWatch links this report to North Branch Potomac River, MD. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

Open on the main map

When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started

Aug 7, 2026, 11:54 AM EDT

Ended

Aug 7, 2026, 2:38 PM EDT

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

not given

Source last updated

Nov 2, 2026, 10:55 AM EST

Last retrieved by DirtyWaterWatch

2026-11-03 02:31 UTC

What and how much

Type

Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.

Status in the record

Ended (as reported)

Material

not stated

Volume

750,600 gallons (not stated whether estimated or measured)

Volume as reported

“750600 gallons”

Advice from Mayor and City Council of Cumberland

This report includes no advice. Check current local health notices.

Advice period

This report does not state a period. See the rule DirtyWaterWatch applies and its source.

Basis

not stated

Status history from this report

• Discharge or advisory reported North Branch Potomac River: Discharge reported ongoing, Aug 7, 2026, 11:54 AM EDT to Aug 7, 2026, 2:38 PM EDT
• Caution North Branch Potomac River: Within the caution period after the reported end, Aug 7, 2026, 2:38 PM EDT to Aug 10, 2026, 2:38 PM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-03 02:43 UTC.

Source and versions

Source

MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u)

Source record number

md0021598-20260807T1154-valley-st-mill-race-elizabeth-st-oldtown-rd-bedford-st-n-mechanic-st-franklin-st-avirett-st-walnut-pl

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "CSO",
    "facility_collection_system": "John J. DiFonzo (Cumberland) WRF & Collection System",
    "npdes_no": "MD0021598",
    "start_date": "08/07/2026",
    "start_time": "11:54:00",
    "duration_day": "0",
    "duration_hour": "2",
    "duration_minute": "44",
    "overflow_address": "Valley Street, Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Avirett Street, Walnut Place",
    "zip": "21502",
    "owner_name": "Mayor and City Council of Cumberland",
    "discharge_volume": "750600",
    "overflow_cause": "Rain",
    "receiving_water": "Wills Creek & Potomac River",
    "county": "Allegany",
    "penalty_id": "",
    "overflow_latitude": "",
    "overflow_longitude": "",
    "id": "173"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "no coordinates",
  "_water": {
    "name_notes": [
      "'Potomac River' in Allegany/Garrett County read as the North Branch Potomac River (potomac-river-md begins at the confluence below Cumberland)"
    ],
    "via": "receiving water name within Maryland and county Allegany"
  },
  "_discharger_basis": "permit/system id MD0021598",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}