Sanitary sewer overflow (SSO) reported, May 20, 2026

Record details

Original source data

{
  "report": {
    "id": "323625",
    "via": "api",
    "incident": "2026-05-20T14:30:12",
    "incident_end": null,
    "received": "2026-05-20T17:13:16",
    "closed": "2026-05-26T10:55:41",
    "modified": "2026-05-26T10:55:41",
    "date_unknown": false,
    "site_name": "SSO - Unpermitted - UOSA WWTP - West Ox Rd",
    "address": "4600 West Ox Rd",
    "city": "Fairfax",
    "zip": "22030",
    "county_city": "Fairfax County",
    "region": "Northern",
    "status_text": "Closed",
    "categories": [
      "Risk Tier 1",
      "Sanitary Sewer Overflow"
    ],
    "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": "5-day letter received; supports closure.",
    "location_comment": "Grid map 55-2, manhole 001. Manhole is behind address.",
    "closure_comment": null
  },
  "sewage": [
    {
      "duration_h": 1.5,
      "component": "Manhole",
      "component_id": 1,
      "volume_gal": 20,
      "volume_unknown": null,
      "wet_weather": "N",
      "treated": "Y",
      "precipitation_in": null,
      "causes": [
        "Blockage"
      ],
      "impacts": [
        "Sewage on Land Surface with Potential Human Exposure"
      ],
      "corrective_action": "The TRI requested assistance from a combination vacuum/pressure cleaning truck, which arrived at 3:10 p.m. on the same day. The blockage was in line segment 056-1-008-056-1-007 and after cleaning the flow was restored.",
      "steps_taken": null,
      "component_comment": null,
      "other_cause": null
    }
  ],
  "status_log": [
    {
      "at": "2026-05-20T17:13:17",
      "type": "Call Received"
    },
    {
      "at": "2026-05-21T12:02:09",
      "type": "Under Investigation"
    },
    {
      "at": "2026-05-21T12:02:09",
      "type": "Assigned"
    },
    {
      "at": "2026-05-26T10:55:41",
      "type": "Closed Call/IR"
    }
  ],
  "created_in_prep": "2026-05-20T17:13:17",
  "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 1.5 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": [
      "Fairfax",
      "Fairfax County"
    ],
    "notes": null,
    "echo_outfall": null
  },
  "point": {
    "lat": 38.854293,
    "lon": -77.375241,
    "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": "2026-05-20T14:30:12-04:00",
    "edma_received": "2026-05-20T17:13:16-04:00"
  },
  "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/323625?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 323625, reported May 20, 2026, 5:13 PM EDT, retrieved 2026-11-03 02:40 UTC · Read the original notice

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