Combined sewer overflow (CSO) reported — NBC - BUCKLIN POINT WWCS, Aug 18, 2026

Ended (as reported) · EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)

Source: EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators) via ECHO NPDES Sewer Overflow and Bypass Event Dataset, record RISS00024:2:1, reported Aug 20, 2026, 12:00 AM EDT, retrieved 2026-11-02 15:54 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 11:21 AM EST. Check its dates and the status rules.

A report is not a test of the water. See how we assign statuses.

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1. Reported wastewater outlet

Operator named in the record: NBC - BUCKLIN POINT WWCS (federal wastewater discharge permit, NPDES, RISS00024). Outlet: 220A “CSO at Moshassuck Street”. Location: 41.86000, -71.40222; 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: “Moshassuck River”. DirtyWaterWatch links this report to Moshassuck River, RI. Match basis: the report's location, matched to the nearest tracked water.

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: Aug 18, 2026, 3:02 AM EDT
Ended: Aug 18, 2026, 4:30 AM EDT
Detail provided by the source: Times known to the minute
Reported to the source: Aug 20, 2026, 12:00 AM EDT
Published: Nov 2, 2026, 12:00 AM EST
Source last updated: Nov 2, 2026, 7:15 AM EST
Last retrieved by DirtyWaterWatch: 2026-11-02 15:54 UTC

What and how much

Type: Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.
Status in the record: Ended (as reported)
Material: “combined sewage and stormwater”
Volume: 110,413 gallons (estimated)
Volume as reported: “110,413 gallons (Modeling)”

Advice from EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)

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 Moshassuck River: Discharge reported ongoing, Aug 18, 2026, 3:02 AM EDT to Aug 18, 2026, 4:30 AM EDT
Discharge or advisory reported Moshassuck River: Post-discharge period applies, Aug 18, 2026, 4:30 AM EDT to Aug 20, 2026, 4:30 AM EDT
Caution Moshassuck River: Within the caution period after the reported end, Aug 20, 2026, 4:30 AM EDT to Aug 21, 2026, 4:30 AM EDT

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-02 16:21 UTC.

Source and versions

Source: ECHO NPDES Sewer Overflow and Bypass Event Dataset
Source record number: RISS00024:2:1
Original notice: Read the original notice
Earlier version: None: this is the first record
Later versions: None

Record details

Record details
Record identifier	echo-sewer-overflow:RISS00024:2:1
Source identifier	echo-sewer-overflow
Source record number	RISS00024:2:1
Earlier version	Not provided
Type	Combined sewer overflow (CSO)
Status in the report	Ended (as reported)
Sewer operator identifier	Not provided
Sewer operator	NBC - BUCKLIN POINT WWCS
Federal wastewater discharge permit (NPDES)	RISS00024
Outlet number	220A
Outlet name	CSO at Moshassuck Street
Water named in the report	Moshassuck River
Linked waters	moshassuck-river-ri
How this report was linked to the water	the report's location, matched to the nearest tracked water
Latitude	41.86
Longitude	-71.402
Location source	given in the source record
Location accuracy, in metres	Not provided
Started	Aug 18, 2026, 3:02 AM EDT (2026-08-18T03:02:00)
Ended	Aug 18, 2026, 4:30 AM EDT (2026-08-18T04:30:00)
Detail provided by the source	to the minute
Reported to the source	Aug 20, 2026, 12:00 AM EDT (2026-08-20)
Published	Nov 2, 2026, 12:00 AM EST (2026-11-02)
Source last updated	Nov 2, 2026, 7:15 AM EST (2026-11-02T12:15:51Z)
Last retrieved by DirtyWaterWatch	Nov 2, 2026, 10:54 AM EST (2026-11-02T15:54:40Z)
Material	combined sewage and stormwater
Volume, in gallons	110,413
Volume as reported	110,413 gallons (Modeling)
How volume was determined	estimated
Authority	EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators)
Advice	Not provided
Advice period, in hours	Not provided
Basis of the advice period	Not provided
Original notice	https://echo.epa.gov/detailed-facility-report?fid=RISS00024&sys=ICP

Original source data

{
  "sewer_overflow_bypass_event_key": "27164",
  "permit_identifier": "RISS00024",
  "program_report_form_set_id": "2",
  "program_report_form_id": "1",
  "sewer_overflow_bypass_event_id_ext": "1",
  "program_report_received_date": "2026-08-20",
  "program_report_start_date": "2026-08-17",
  "program_report_end_date": "2026-08-17",
  "electronic_submission_type_code": "ES1",
  "electr_submission_type_desc": "EPA electronic reporting system",
  "program_report_npdes_data_group_number_code": "G9A",
  "program_report_npdes_data_group_desc": "Sewer Overflow/Bypass Event Report ",
  "payload_id": "317320921",
  "transaction_type": "N",
  "sewer_overflow_bypass_description_text": "Pawtucket Water Conducted night time Fire Hydrant Flushing. they did not use Unit Directional method",
  "sewer_overflow_bypass_reporting_requirement_code": "1",
  "sewer_overflow_reporting_requirement_desc": "5-day reporting for noncompliance that may endanger health or the environment",
  "wet_weather_occurance_indicator": "N",
  "sewer_overflow_structure_type_code": "CSO",
  "sewer_overflow_structure_type_desc": "CSO Outfall",
  "collection_system_identifier": "001",
  "permitted_feature_identifier": "220A",
  "latitude_measure": "41.860000",
  "longitude_measure": "-71.402220",
  "sewer_overflow_bypass_duration_hours": "1.47",
  "sewer_overflow_bypass_start_datetime": "2026-08-18 03:02:00",
  "sewer_overflow_bypass_end_datetime": "2026-08-18 04:30:00",
  "discharge_quantification_method_code": "MOD",
  "discharge_quantification_method_desc": "Modeling",
  "sewer_overflow_bypass_discharge_volume_gallons": "110413.00",
  "event_transaction_type": "N",
  "collection_system_owner_type_code": "COR",
  "collection_system_owner_type_desc": "Corporation",
  "collection_system_population": "120000",
  "types": [
    "Combined Sewer Overflow Event"
  ],
  "receiving_waters": [
    "Moshassuck River"
  ],
  "impacts": [
    {
      "code": "NOI",
      "desc": "No observable impacts",
      "other": null
    }
  ],
  "causes": [
    {
      "code": "HYF",
      "desc": "Hydrant Flushing",
      "other": null
    }
  ],
  "corrective_actions": [
    {
      "code": "OTH",
      "desc": "Other",
      "other": "Contacted Pawtucket Water and informed they have to use Unit Directional method for hydrant flushing"
    }
  ],
  "treatment": [],
  "collection_system_name": "NBC Bucklin Combined Sewer System",
  "percent_collection_system_css": "77",
  "reached_water_rule": "receiving water named",
  "timezone_note": "ECHO gives event times without a timezone; recorded as given (presumably local time)",
  "report_version": "1"
}

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