Sanitary sewer overflow (SSO) reported, Oct 2, 2026

Record details

Original source data

{
  "report": {
    "id": "325607",
    "via": "api",
    "incident": "2026-10-02T11:54:59",
    "incident_end": null,
    "received": "2026-10-02T16:30:20",
    "closed": "2026-10-07T10:23:28",
    "modified": "2026-10-07T10:23:28",
    "date_unknown": false,
    "site_name": "SSO - Unpermitted - UOSA WWTP - Virginia Chase Dr",
    "address": "5609 Virginia Chase Dr",
    "city": "Centreville",
    "zip": "20120",
    "county_city": "Fairfax County",
    "region": "Northern",
    "status_text": "Closed",
    "categories": [
      "Sanitary Sewer Overflow",
      "Risk Tier 2"
    ],
    "waterbody": null,
    "other_waterbody": null,
    "original_waterbody": null,
    "water_threatened": "N",
    "low": null,
    "high": null,
    "unit": null,
    "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 a SSO (sanitary sewer overflow) due to a blockage in Fairfax Co. The sanitary piping at this location terminates at UOSA (Upper Occoquan Sanitation Authority - unpermitted). Approximately 670 gallons of sewage was discharged into a woody area and infiltrated. No impacts to storm drains or surface water. Fairfax Co staff removed the blockage and restored flow. Report submitted - requirements met. No additional corrective necessary.",
    "location_comment": "Tax Map 054-1 / MH 054-1-548 / Located in the easement behind the property.",
    "closure_comment": null
  },
  "sewage": [
    {
      "duration_h": 2,
      "component": "Manhole",
      "component_id": 1,
      "volume_gal": 670,
      "volume_unknown": null,
      "wet_weather": "N",
      "treated": "N",
      "precipitation_in": null,
      "causes": [
        "Blockage"
      ],
      "impacts": [
        "Other"
      ],
      "corrective_action": "removed blockage - restored flow",
      "steps_taken": null,
      "component_comment": null,
      "other_cause": null
    }
  ],
  "status_log": [
    {
      "at": "2026-10-02T16:30:22",
      "type": "Call Received"
    },
    {
      "at": "2026-10-02T16:34:03",
      "type": "Under Investigation"
    },
    {
      "at": "2026-10-02T16:34:03",
      "type": "Assigned"
    },
    {
      "at": "2026-10-06T00:00:00",
      "type": "Other Correspondence/Reports"
    },
    {
      "at": "2026-10-07T10:23:20",
      "type": "Program Participant Assigned"
    },
    {
      "at": "2026-10-07T10:23:28",
      "type": "Closed Call/IR"
    }
  ],
  "created_in_prep": "2026-10-02T16:30:22",
  "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 2 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": null,
    "towns": [
      "Centreville",
      "Fairfax County"
    ],
    "notes": null,
    "echo_outfall": null
  },
  "point": {
    "lat": 38.85075,
    "lon": -77.445619,
    "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": "2026-10-02T11:54:59-04:00",
    "edma_received": "2026-10-02T16:30:20-04:00"
  },
  "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/325607?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 325607, reported Oct 2, 2026, 4:30 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.