Maryland / Reports /

Sanitary sewer overflow (SSO) reported — U.S. Department of Health and Human Services, Jun 4, 2026

Ended (as reported) · U.S. Department of Health and Human Services

Source: U.S. Department of Health and Human Services via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record md0025496-20260604T1500-9000-rockville-pk, updated by the source Nov 2, 2026, 10:55 AM EST, retrieved 2026-11-03 02:31 UTC · Read the original notice

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: U.S. Department of Health and Human Services (federal wastewater discharge permit, NPDES, MD0025496). Outlet: “9000 Rockville Pike”. 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 REMAINED IN EXCAVATION PIT”. 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

Jun 4, 2026, 3:00 PM EDT

Ended

Jun 5, 2026, 10:00 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

500 gallons (not stated whether estimated or measured)

Volume as reported

“500 gallons”

Advice from U.S. Department of Health and Human Services

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

md0025496-20260604T1500-9000-rockville-pk

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "SSO",
    "facility_collection_system": "NIH Bethesda",
    "npdes_no": "MD0025496",
    "start_date": "06/04/2026",
    "start_time": "15:00:00",
    "duration_day": "0",
    "duration_hour": "19",
    "duration_minute": "0",
    "overflow_address": "9000 Rockville Pike",
    "zip": "20892",
    "owner_name": "U.S. Department of Health and Human Services",
    "discharge_volume": "500",
    "overflow_cause": "BREAK IN LINE",
    "receiving_water": "DISCHARGE REMAINED IN EXCAVATION PIT",
    "county": "Montgomery",
    "penalty_id": "",
    "overflow_latitude": "",
    "overflow_longitude": "",
    "id": "329"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "no coordinates",
  "_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"
}