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Sanitary sewer overflow (SSO) reported — Baltimore City DPW, Sep 27, 2026

Ended (as reported) · Baltimore City DPW

Source: Baltimore City DPW via MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), record mdc021555-20260927T2229-507-s-exeter-st, 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: Baltimore City DPW. Outlet: “507 South Exeter Street”. 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: “Northwest Harbor”. DirtyWaterWatch links this report to Northwest Harbor, MD. Match basis: the water named in the report.

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

Sep 27, 2026, 10:29 PM EDT

Ended

Sep 28, 2026, 12:24 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

387 gallons (not stated whether estimated or measured)

Volume as reported

“387 gallons”

Advice from Baltimore City DPW

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

mdc021555-20260927T2229-507-s-exeter-st

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "row": {
    "overflow_type": "SSO",
    "facility_collection_system": "Back River WWTP Collection System - Baltimore City",
    "npdes_no": "MDC021555",
    "start_date": "09/27/2026",
    "start_time": "22:29:00",
    "duration_day": "0",
    "duration_hour": "13",
    "duration_minute": "55",
    "overflow_address": "507 South Exeter Street",
    "zip": "21202",
    "owner_name": "Baltimore City DPW",
    "discharge_volume": "387",
    "overflow_cause": "Grease and rags.",
    "receiving_water": "Northwest Harbor",
    "county": "Baltimore City",
    "penalty_id": "",
    "overflow_latitude": "",
    "overflow_longitude": "",
    "id": "55"
  },
  "_ended_at_basis": "start + duration_day/hour/minute",
  "_coords": "no coordinates",
  "_water": {
    "via": "receiving water name within Maryland and county Baltimore City"
  },
  "_discharger_basis": "permit/system id MDC021555",
  "_duplicate_basis": "Baltimore DPW SSO map record md-baltimore-sso:25867: same operator, same day, same address (DPW 388 gal, start 2026-09-27T22:29:00-04:00; this row 387 gal); the City's record carries the end time and point",
  "_first_seen_at": "2026-11-03T02:28:49Z"
}