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Blended discharge reported — BILLERICA WASTEWATER TREATMENT FACILITY, Jan 17, 2024

Ongoing (as reported) · BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal)

Source: BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record d717f50d-ce96-4538-9a13-3c27cb58e998, published Jan 19, 2024, 10:17 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 10:57 AM EST. Check its dates and the status rules.

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1. Reported wastewater outlet

Operator named in the record: BILLERICA WASTEWATER TREATMENT FACILITY (federal wastewater discharge permit, NPDES, MA0101711). Outlet: 001. Location: 42.59810, -71.29091; 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: “CONCORD RIVER”. DirtyWaterWatch links this report to Concord River, MA. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

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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
Ended
ongoing, as last reported
Detail provided by the source
Times known to the minute
Reported to the source
not given
Published
Source last updated
not given
Last retrieved by DirtyWaterWatch

What and how much

Type
Blended discharge: wastewater that skipped some treatment is mixed with treated wastewater.
Status in the record
Ongoing (as reported)
Material
“Partially Treated – Blended”
Volume
volume not reported (not stated whether estimated or measured)
Volume as reported
none

Advice from BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal)

“Avoid contact with these water bodies for 48 hours after the discharge or overflow ceases due to increased health risks from bacteria and other pollutants. See website for more information on whether specific resource areas, such as bathing beaches, are affected.”

BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) · 314 CMR 16.04(10)(g)
Advice period
48 hours
Basis
314 CMR 16.04(10)(g)

Source and versions

Source
MassDEP CSO API behind the portal
Source record number
d717f50d-ce96-4538-9a13-3c27cb58e998
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
None

Record details

Record details
Record identifierma-massdep:d717f50d-ce96-4538-9a13-3c27cb58e998
Source identifierma-massdep
Source record numberd717f50d-ce96-4538-9a13-3c27cb58e998
Earlier versionNot provided
TypeBlended discharge
Status in the reportOngoing (as reported)
Sewer operator identifierma-billerica-wwtf
Sewer operatorBILLERICA WASTEWATER TREATMENT FACILITY
Federal wastewater discharge permit (NPDES)MA0101711
Outlet number001
Outlet nameNot provided
Water named in the reportCONCORD RIVER
Linked watersconcord-river-ma
How this report was linked to the waterthe water named in the report
Latitude42.598
Longitude-71.291
Location sourcegiven in the source record
Location accuracy, in metresNot provided
StartedJan 17, 2024, 7:00 AM EST (2024-01-17T07:00:00-05:00)
EndedNot provided
Detail provided by the sourceto the minute
Reported to the sourceNot provided
PublishedJan 19, 2024, 10:17 AM EST (2024-01-19T10:17:44-05:00)
Source last updatedNot provided
Last retrieved by DirtyWaterWatchNov 2, 2026, 5:58 AM EST (2026-11-02T10:58:11Z)
MaterialPartially Treated – Blended
Volume, in gallonsNot provided
Volume as reportedNot provided
How volume was determinednot stated whether estimated or measured
AuthorityBILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal)
AdviceAvoid contact with these water bodies for 48 hours after the discharge or overflow ceases due to increased health risks from bacteria and other pollutants. See website for more information on whether specific resource areas, such as bathing beaches, are affected.
Advice period, in hours48
Basis of the advice period314 CMR 16.04(10)(g)
Original noticehttps://eeaonline.eea.state.ma.us/portal/dep/cso-data-portal/details/d717f50d-ce96-4538-9a13-3c27cb58e998

Original source data

{
  "incidentId": "d717f50d-ce96-4538-9a13-3c27cb58e998",
  "incidentNumber": "24007848",
  "incidentDate": "2024-01-17T09:59:41",
  "incidentTime": "07:00",
  "amPm": null,
  "reporterClass": "Public Notification Report",
  "eventType": "Partially Treated – Blended",
  "permiteeClass": "Non-CSO",
  "permiteeName": "BILLERICA WASTEWATER TREATMENT FACILITY",
  "permiteeId": "MA0101711",
  "outfallId": "001",
  "municipality": "BILLERICA",
  "reportingType": "Initial-Ongoing",
  "location": "Other",
  "latitude": "42.59810299",
  "longitude": "-71.29091025",
  "waterBody": "CONCORD RIVER",
  "waterBodyDescription": null,
  "volumnOfEvent": "",
  "rainfallData": "",
  "hours": "",
  "minutes": "",
  "month": null,
  "year": null,
  "additionalInformation": null,
  "submittedDate": "2024-01-19T10:17:44.97",
  "parentIncidentId": null,
  "_report_class": "Public Notification Report",
  "_tz_assumed": "America/New_York (portal gives local clock time without zone)",
  "_water": {
    "via": "crosswalk on portal waterbody",
    "text": "CONCORD RIVER",
    "confidence": "high"
  },
  "_advice_source": "required wording of 314 CMR 16.04(10)(g); the permittee's own advisory is only in an attachment the portal will not serve"
}

Source: BILLERICA WASTEWATER TREATMENT FACILITY (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record d717f50d-ce96-4538-9a13-3c27cb58e998, published Jan 19, 2024, 10:17 AM EST, retrieved 2026-11-02 10:58 UTC · Read the original notice

Staff names, email addresses and phone numbers are removed from source data before it is stored.