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Sanitary sewer overflow (SSO) reported — St. Mary's County Metropolitan Commission, Aug 28, 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 mdc124767-20260828T1701-18550-peninsulas-ct-and-springer-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: “18550 Peninsulas Court & Springer Rd”. Location: 38.17620, -76.51960; 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: “Road side ditch”. 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

Aug 28, 2026, 5:01 PM EDT

Ended

Aug 28, 2026, 10:25 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

7,500 gallons (not stated whether estimated or measured)

Volume as reported

“7500 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

mdc124767-20260828T1701-18550-peninsulas-ct-and-springer-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": "Leonardtown WWTP Collection System - St. Mary's MetCom",
    "npdes_no": "MDC124767",
    "start_date": "08/28/2026",
    "start_time": "17:01:00",
    "duration_day": "0",
    "duration_hour": "5",
    "duration_minute": "24",
    "overflow_address": "18550 Peninsulas Court & Springer Rd",
    "zip": "20692",
    "owner_name": "St. Mary's County Metropolitan Commission",
    "discharge_volume": "7500",
    "overflow_cause": "The leak was the result of a hole in the bottom of the 8 inch ductile iron sewer force main.",
    "receiving_water": "Road side ditch",
    "county": "St. Mary's",
    "penalty_id": "",
    "overflow_latitude": "38.1762",
    "overflow_longitude": "-76.5196",
    "id": "126"
  },
  "_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"
}