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Sanitary sewer overflow (SSO) reported — WSSC, Oct 5, 2026

Ended (as reported) · WSSC

Source: WSSC via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record mdc021199-20261005T0948-110-odendhal-ave, 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: WSSC. Outlet: “110 Odendhal Avenue”. 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: “Seneca Creek”. DirtyWaterWatch links this report to Seneca Creek, MD. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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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

Oct 5, 2026, 9:48 AM EDT

Ended

Oct 5, 2026, 5:00 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

372 gallons (not stated whether estimated or measured)

Volume as reported

“372 gallons”

Advice from WSSC

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 Seneca Creek: Discharge reported ongoing, Oct 5, 2026, 9:48 AM EDT to Oct 5, 2026, 5:00 PM EDT
• Caution Seneca Creek: Within the caution period after the reported end, Oct 5, 2026, 5:00 PM EDT to Oct 8, 2026, 5:00 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

mdc021199-20261005T0948-110-odendhal-ave

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "SSO",
    "facility_collection_system": "Blue Plains WWTP Collection System - WSSC (Mo. Co.)",
    "npdes_no": "MDC021199",
    "start_date": "10/05/2026",
    "start_time": "09:48:00",
    "duration_day": "0",
    "duration_hour": "7",
    "duration_minute": "12",
    "overflow_address": "110 Odendhal Avenue",
    "zip": "20877",
    "owner_name": "WSSC",
    "discharge_volume": "372",
    "overflow_cause": "73 wipes.",
    "receiving_water": "Seneca Creek",
    "county": "Montgomery",
    "penalty_id": "",
    "overflow_latitude": "",
    "overflow_longitude": "",
    "id": "48"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "no coordinates",
  "_water": {
    "via": "receiving water name within Maryland and county Montgomery"
  },
  "_discharger_basis": "permit/system id MDC021199",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}