Maryland / Reports /

Sanitary sewer overflow (SSO) reported — Garrett County Sanitary District, Inc., Jul 15, 2026

Ended (as reported) · Garrett County Sanitary District, Inc.

Source: Garrett County Sanitary District, Inc. via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record md0054348-20260715T0800-762-mayhew-inn-rd, updated by the source Nov 2, 2026, 10:55 AM EST, retrieved 2026-11-03 02:31 UTC · Read the original notice

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1. Reported wastewater outlet

Operator named in the record: Garrett County Sanitary District, Inc. (federal wastewater discharge permit, NPDES, MD0054348). Outlet: “762 Mayhew Inn Road”. 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: “Discharge was limited to the ground and side ditch of the WWTP. None of the wastewater entered "waters of the State".”. 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.

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

Jul 15, 2026, 8:00 AM EDT

Ended

Jul 15, 2026, 10:30 AM 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

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

300 gallons (not stated whether estimated or measured)

Volume as reported

“300 gallons”

Advice from Garrett County Sanitary District, Inc.

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

md0054348-20260715T0800-762-mayhew-inn-rd

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "Unauthorized Discharge",
    "facility_collection_system": "Deep Creek Lake WWTP",
    "npdes_no": "MD0054348",
    "start_date": "07/15/2026",
    "start_time": "08:00:00",
    "duration_day": "0",
    "duration_hour": "2",
    "duration_minute": "30",
    "overflow_address": "762 Mayhew Inn Road",
    "zip": "21550",
    "owner_name": "Garrett County Sanitary District, Inc.",
    "discharge_volume": "300",
    "overflow_cause": "During a pumping operation to repair a Clarifier's Return Activated Sludge  plug pump, an isolation valve failed, requiring the operators to alternately pump the Clarifiers waters to a nearby Oxidation Ditch.  During the pumping operation, a camlock fitting failed allowing wastewaters to discharge to the grounds of the WWTP.  None of the waster left the plant .",
    "receiving_water": "Discharge was limited to the ground and side ditch of the WWTP.  None of the wastewater entered \"waters of the State\".",
    "county": "Garrett",
    "penalty_id": "",
    "overflow_latitude": "",
    "overflow_longitude": "",
    "id": "230"
  },
  "_source_type": "Unauthorized Discharge",
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "no coordinates",
  "_water": {
    "why_none": "no Maryland water record matched the name"
  },
  "_discharger_basis": "owner name",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}