Sanitary sewer overflow (SSO) reported — WALPOLE, TOWN OF, Sep 1, 2026

Record details

Original source data

{
  "incidentId": "0be8568e-6884-4f3f-b10d-616975846f54",
  "incidentNumber": "26017377",
  "incidentDate": "2026-09-01T00:00:00",
  "incidentTime": "11:00",
  "amPm": null,
  "reporterClass": "Public Notification Report",
  "eventType": "SSO – Discharge Through Wastewater Outfall",
  "permiteeClass": "Non-CSO",
  "permiteeName": "WALPOLE, TOWN OF",
  "permiteeId": null,
  "outfallId": null,
  "municipality": "WALPOLE",
  "reportingType": "Initial-Ceased",
  "location": "Other",
  "latitude": null,
  "longitude": null,
  "waterBody": "Other",
  "waterBodyDescription": "Bird Pond",
  "volumnOfEvent": "",
  "rainfallData": "",
  "hours": "",
  "minutes": "",
  "month": null,
  "year": null,
  "additionalInformation": "A sanitary sewer overflow occurred from a sewer manhole located within an easement off Houndpack Drive. The overflow began at approximately 11:00 AM and was stopped at approximately 11:30 AM, for an estimated duration of 30 minutes. The estimated discharge rate was approximately 10 gallons per minute, resulting in an estimated total overflow volume of approximately 300 gallons.\r\nWastewater discharged from the manhole onto the surrounding ground within the easement area. The overflow did not reach a surface water, stream, wetland, or other waterway. Based on field observations, there was no discharge to a surface water of the Commonwealth. Following termination of the overflow, lime was applied to the affected ground surface as part of the cleanup and disinfection response.\r\n",
  "submittedDate": "2026-09-01T12:40:20.977",
  "parentIncidentId": null,
  "_report_class": "Public Notification Report",
  "_tz_assumed": "America/New_York (portal gives local clock time without zone)",
  "_ended_note": "reported ceased; the portal gives no cessation time",
  "_water": {
    "no_slug": [
      "Other (read waterBodyDescription (free text))"
    ]
  },
  "_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: WALPOLE, TOWN OF (MassDEP sewage notification portal) via MassDEP CSO API behind the portal, record 0be8568e-6884-4f3f-b10d-616975846f54, published Sep 1, 2026, 12:40 PM EDT, 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.