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Sanitary sewer overflow (SSO) reported — Allegany County DPW, May 22, 2026

Ended (as reported) · Allegany County DPW

Source: Allegany County DPW via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record mdc002625-20260522T2200-manhole-20-on-darrows-ln, updated by the source Nov 2, 2026, 10:55 AM EST, retrieved 2026-11-03 02:31 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 9:43 PM EST. Check its dates and the status rules.

A report is not a test of the water. See how we assign statuses.

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Allegany County DPW. Outlet: “Manhole 20 on Darrows Lane”. Location: 39.59610, -78.82370; location source: given in the source record.

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

2. Waters named in the notice

The notice names: “Warrior Run”. Not linked to a mapped water.

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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.

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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
Ended
Detail provided by the source
Times known to the minute
Reported to the source
not given
Published
not given
Source last updated
Last retrieved by DirtyWaterWatch

What and how much

Type
Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
Status in the record
Ended (as reported)
Material
not stated
Volume
471,000 gallons (not stated whether estimated or measured)
Volume as reported
“471000 gallons”

Advice from Allegany County DPW

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

Source and versions

Source
MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u)
Source record number
mdc002625-20260522T2200-manhole-20-on-darrows-ln
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
None

Record details

Record details
Record identifiermd-mde-overflows:mdc002625-20260522T2200-manhole-20-on-darrows-ln
Source identifiermd-mde-overflows
Source record numbermdc002625-20260522T2200-manhole-20-on-darrows-ln
Earlier versionNot provided
TypeSanitary sewer overflow (SSO)
Status in the reportEnded (as reported)
Sewer operator identifiermd-allegany-county-dpw
Sewer operatorAllegany County DPW
Federal wastewater discharge permit (NPDES)Not provided
Outlet numberNot provided
Outlet nameManhole 20 on Darrows Lane
Water named in the reportWarrior Run
Linked watersNot provided
How this report was linked to the waternot linked to a mapped water
Latitude39.596
Longitude-78.824
Location sourcegiven in the source record
Location accuracy, in metresNot provided
StartedMay 22, 2026, 10:00 PM EDT (2026-05-22T22:00:00-04:00)
EndedMay 30, 2026, 11:00 AM EDT (2026-05-30T11:00:00-04:00)
Detail provided by the sourceto the minute
Reported to the sourceNot provided
PublishedNot provided
Source last updatedNov 2, 2026, 10:55 AM EST (2026-11-02T10:55:53-05:00)
Last retrieved by DirtyWaterWatchNov 2, 2026, 9:31 PM EST (2026-11-03T02:31:29Z)
MaterialNot provided
Volume, in gallons471,000
Volume as reported471000 gallons
How volume was determinednot stated whether estimated or measured
AuthorityAllegany County DPW
AdviceNot provided
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://opendata.maryland.gov/dataset/Reported-Sewer-Overflows-New-for-2023-/stgj-u72u

Original source data

{
  "row": {
    "overflow_type": "SSO",
    "facility_collection_system": "North Branch Collection System",
    "npdes_no": "MDC002625",
    "start_date": "05/22/2026",
    "start_time": "22:00:00",
    "duration_day": "7",
    "duration_hour": "13",
    "duration_minute": "0",
    "overflow_address": "Manhole 20 on Darrows Lane",
    "zip": "21502",
    "owner_name": "Allegany County DPW",
    "discharge_volume": "471000",
    "overflow_cause": "Rainfall",
    "receiving_water": "Warrior Run",
    "county": "Allegany",
    "penalty_id": "",
    "overflow_latitude": "39.5961",
    "overflow_longitude": "-78.8237",
    "id": "381"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "as given",
  "_water": {
    "why_none": "no Maryland water record matched the name"
  },
  "_discharger_basis": "owner name",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}

Source: Allegany County DPW via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record mdc002625-20260522T2200-manhole-20-on-darrows-ln, updated by the source Nov 2, 2026, 10:55 AM EST, retrieved 2026-11-03 02:31 UTC · Read the original notice

Staff names, email addresses and phone numbers are removed from source data before it is stored.