Sanitary sewer overflow (SSO) reported, Oct 7, 2026

Record details

Original source data

{
  "report": {
    "id": "325681",
    "via": "api",
    "incident": "2026-10-07T11:54:38",
    "incident_end": null,
    "received": "2026-10-07T18:28:01",
    "closed": "2026-11-01T12:01:06",
    "modified": "2026-11-01T12:01:06",
    "date_unknown": false,
    "site_name": "SSO - Unpermitted - UOSA - Sullyfield Circle",
    "address": "14340 Sullyfield Cir",
    "city": "Chantilly",
    "zip": "20151",
    "county_city": "Fairfax County",
    "region": "Northern",
    "status_text": "Closed",
    "categories": [
      "Risk Tier 2",
      "Sanitary Sewer Overflow"
    ],
    "waterbody": "Cub Run",
    "other_waterbody": "UT of Cub Run (Schneider Branch)\nno detrimental impacts observed",
    "original_waterbody": null,
    "water_threatened": "Y",
    "low": 500,
    "high": 500,
    "unit": "Gallons",
    "ssors": null,
    "nrc": [],
    "vdem": null,
    "epa": null,
    "facility_name": null,
    "facility_permitted": "N",
    "responsible_company": null,
    "still_occurring": "N"
  },
  "text": {
    "incident_comment": "DEQ received an online pollution report for an unpermitted SSO (sanitary sewer overflow) in Fairfax Co that terminates at UOSA (Upper Occoquan Sanitation Authority). An estimated 500 gallons of sewage was discharged into a SWMP (stormwater management pond) that discharges into an UT (unnamed tributary) of Cub Run. Fairfax Co staff removed the blockage and restored flow. No detrimental environmental impacts observed in surface water. Report received and report mets requirements. No additional DEQ action necessary.",
    "location_comment": "Tax Map 034-3 / MH 034-3-085 / Located in the Easement",
    "closure_comment": null
  },
  "sewage": [
    {
      "duration_h": 1,
      "component": "Manhole",
      "component_id": 1,
      "volume_gal": 520,
      "volume_unknown": null,
      "wet_weather": null,
      "treated": "N",
      "precipitation_in": null,
      "causes": [
        "Blockage"
      ],
      "impacts": [
        "Discharge to State Waters"
      ],
      "corrective_action": "blockage due to FOG\nremoved blockage\nrestored flow",
      "steps_taken": null,
      "component_comment": null,
      "other_cause": null
    }
  ],
  "status_log": [
    {
      "at": "2026-10-07T18:28:02",
      "type": "Call Received"
    },
    {
      "at": "2026-10-08T10:05:05",
      "type": "Assigned"
    },
    {
      "at": "2026-10-08T10:05:05",
      "type": "Under Investigation"
    },
    {
      "at": "2026-10-09T00:00:00",
      "type": "Other Correspondence/Reports"
    },
    {
      "at": "2026-11-01T12:01:06",
      "type": "Closed Call/IR"
    }
  ],
  "created_in_prep": "2026-10-07T18:28:02",
  "event_type_basis": "DEQ category Sanitary Sewer Overflow",
  "permit": {
    "typed_permit": null,
    "deq_vpdes_links": null,
    "ms4": null,
    "ms4_links": null,
    "basis": "none"
  },
  "discharger_match": {
    "by_permit": null,
    "by_name": null
  },
  "volume_basis": "sewage report discharge volume (gallons)",
  "_ended_at_basis": "incident time + duration 1 h (sewage report)",
  "_time_basis": "PReP API times are local wall-clock times with no zone, read as America/New_York. The export table stores local time + 5 h all year (decoded by subtracting 5 h); the EDMA point layer stores local time labelled as UTC (decoded by reading the UTC clock as local).",
  "water_placement": {
    "text": "Cub Run; UT of Cub Run (Schneider Branch)\nno detrimental impacts observed",
    "towns": [
      "Chantilly",
      "Fairfax County"
    ],
    "notes": null,
    "echo_outfall": null
  },
  "point": {
    "lat": 38.890512,
    "lon": -77.441111,
    "layer": "DEQ EDMA layer 175 (PReP Reports, Daily)",
    "reference_point": "PG",
    "note": "DEQ's geocode of the report's site address (REFERENCE_POINT 'PG'), not an outfall point",
    "edma_incident": "2026-10-07T11:54:38-04:00",
    "edma_received": "2026-10-07T18:28:01-04:00"
  },
  "attribution": "DEQ is the data source. DEQ does not certify that this data represents a complete record. This data is provided to the citizens of the Commonwealth free of charge and for informational purposes only.",
  "api_url": "https://portal.deq.virginia.gov/prep/api/prepReports/325681?expand=prepStatusCode,prepUnitTypeCode,prepReportSewages.prepComponentTypeCode,prepReportSewages.prepSewageCauses.prepCauseCode,prepReportSewages.prepSewageImpacts.prepImpactTypeCode,prepReportReleaseSubtypes.prepReleaseSubtypeCode,prepReportPermitViews,prepOriginalReport,prepReportEvents.prepEventTypeCode,prepFipsCode.fipsRegion"
}

Source: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office via Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related, record 325681, reported Oct 7, 2026, 6:28 PM EDT, retrieved 2026-11-03 02:40 UTC · Read the original notice

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