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Sanitary sewer overflow (SSO) reported — St. Mary's County Metropolitan Commission, Jun 1, 2026

Ended (as reported) · St. Mary's County Metropolitan Commission

Source: St. Mary's County Metropolitan Commission via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record mdc021679-20260601T1346-21268-willows-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: St. Mary's County Metropolitan Commission. Outlet: “21268 Willows Rd”. Location: 38.25130, -76.45370; 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: “None, as the discharge was contained and pumped directly out of the contractor's test pit, therefore not affecting the surrounding area.”. 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.

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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

Jun 1, 2026, 1:46 PM EDT

Ended

Jun 1, 2026, 4:00 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

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

1,078 gallons (not stated whether estimated or measured)

Volume as reported

“1078 gallons”

Advice from St. Mary's County Metropolitan Commission

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

mdc021679-20260601T1346-21268-willows-rd

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "SSO",
    "facility_collection_system": "Marlay-Taylor WWTP Collection System",
    "npdes_no": "MDC021679",
    "start_date": "06/01/2026",
    "start_time": "13:46:00",
    "duration_day": "0",
    "duration_hour": "2",
    "duration_minute": "14",
    "overflow_address": "21268 Willows Rd",
    "zip": "20653",
    "owner_name": "St. Mary's County Metropolitan Commission",
    "discharge_volume": "1078",
    "overflow_cause": "Contractor working in the area struck and damaged the 8 inch SDR 21 PVC force main while excavating a test pit to locate the sewer force mains.",
    "receiving_water": "None, as the discharge was contained and pumped directly out of the contractor's test pit, therefore not affecting the surrounding area.",
    "county": "St. Mary's",
    "penalty_id": "",
    "overflow_latitude": "38.2513",
    "overflow_longitude": "-76.4537",
    "id": "337"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "as given",
  "_water": {
    "why_none": "no Maryland water record matched the name"
  },
  "_discharger_basis": "built from the owner name (no research row)",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}