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Sanitary sewer overflow (SSO) reported, Sep 6, 2026

Ended (as reported) · Virginia DEQ Pollution Response Program (PReP), Northern Regional Office

Source: Virginia DEQ Pollution Response Program (PReP), Northern Regional Office via Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related, record 325226, reported Sep 7, 2026, 4:28 AM EDT, retrieved 2026-11-03 02:40 UTC · Read the original notice

Current status from this report

This report does not set a map status as of Nov 2, 2026, 9:43 PM 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: not named. Outlet: not stated. Location: 38.93888, -77.24945; location source: geocoded from an address or place name.

Outfall: a pipe or outlet where wastewater enters a water body.

2. Waters named in the notice

The notice names: “Rocky Run; UT of Rocky Run”. Not linked to a mapped water.

3. Estimated downstream stretch

We estimate routes only on rivers before they become tidal. We do not estimate routes through tidal water or lakes.

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
Ended
Detail provided by the source
Times known to the minute
Reported to the source
Published
not given
Source last updated
Last retrieved by DirtyWaterWatch

What and how much

Type
Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
Status in the record
Ended (as reported)
Material
“sewage (reported as treated or partly treated)”
Volume
120 gallons (not stated whether estimated or measured)
Volume as reported
“120 gallons”

Advice from Virginia DEQ Pollution Response Program (PReP), Northern Regional Office

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

Source and versions

Source
Virginia DEQ Pollution Response Program (PReP) pollution reports, sewage-related
Source record number
325226
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
None

Record details

Record details
Record identifierva-deq-prep:325226
Source identifierva-deq-prep
Source record number325226
Earlier versionNot provided
TypeSanitary sewer overflow (SSO)
Status in the reportEnded (as reported)
Sewer operator identifierNot provided
Sewer operatorNot provided
Federal wastewater discharge permit (NPDES)Not provided
Outlet numberNot provided
Outlet nameNot provided
Water named in the reportRocky Run; UT of Rocky Run
Linked watersNot provided
How this report was linked to the waternot linked to a mapped water
Latitude38.939
Longitude-77.249
Location sourcegeocoded from an address or place name
Location accuracy, in metresNot provided
StartedSep 6, 2026, 5:58 PM EDT (2026-09-06T17:58:36-04:00)
EndedSep 6, 2026, 7:58 PM EDT (2026-09-06T19:58:36-04:00)
Detail provided by the sourceto the minute
Reported to the sourceSep 7, 2026, 4:28 AM EDT (2026-09-07T04:28:11-04:00)
PublishedNot provided
Source last updatedSep 10, 2026, 4:35 PM EDT (2026-09-10T16:35:43-04:00)
Last retrieved by DirtyWaterWatchNov 2, 2026, 9:40 PM EST (2026-11-03T02:40:36Z)
Materialsewage (reported as treated or partly treated)
Volume, in gallons120
Volume as reported120 gallons
How volume was determinednot stated whether estimated or measured
AuthorityVirginia DEQ Pollution Response Program (PReP), Northern Regional Office
AdviceNot provided
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://portal.deq.virginia.gov/v2/prep/prepReport/325226

Original source data

{
  "report": {
    "id": "325226",
    "via": "api",
    "incident": "2026-09-06T17:58:36",
    "incident_end": null,
    "received": "2026-09-07T04:28:11",
    "closed": "2026-09-10T16:35:43",
    "modified": "2026-09-10T16:35:43",
    "date_unknown": false,
    "site_name": "SSO - Unpermitted - Blue Plains - Woodhurst Blvd",
    "address": "1420 Woodhurst Blvd",
    "city": "MCLEAN",
    "zip": "22102",
    "county_city": "Fairfax County",
    "region": "Northern",
    "status_text": "Closed",
    "categories": [
      "Sanitary Sewer Overflow",
      "Risk Tier 2"
    ],
    "waterbody": "Rocky Run",
    "other_waterbody": "UT of Rocky Run",
    "original_waterbody": null,
    "water_threatened": "Y",
    "low": 1,
    "high": -1,
    "unit": "Unknown",
    "ssors": null,
    "nrc": [],
    "vdem": null,
    "epa": null,
    "facility_name": null,
    "facility_permitted": "N",
    "responsible_company": null,
    "still_occurring": "Y"
  },
  "text": {
    "incident_comment": "Blockage removed, flow restored. 5-day letter received.",
    "location_comment": "Tax map 29-1 in the rear of property.",
    "closure_comment": null
  },
  "sewage": [
    {
      "duration_h": 2,
      "component": "Manhole",
      "component_id": 1,
      "volume_gal": 120,
      "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 team from the Manhole Raising Section arrived on site at 5:00 a.m. and reported that the manhole was not overflowing. By 9:15 a.m., the team removed all the roots from the manhole and fully restored the flow.",
      "steps_taken": null,
      "component_comment": null,
      "other_cause": null
    }
  ],
  "status_log": [
    {
      "at": "2026-09-07T04:28:14",
      "type": "Call Received"
    },
    {
      "at": "2026-09-08T09:51:11",
      "type": "Under Investigation"
    },
    {
      "at": "2026-09-08T09:51:11",
      "type": "Assigned"
    },
    {
      "at": "2026-09-10T16:35:43",
      "type": "Closed Call/IR"
    }
  ],
  "created_in_prep": "2026-09-07T04:28:14",
  "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": "Rocky Run; UT of Rocky Run",
    "towns": [
      "MCLEAN",
      "Fairfax County"
    ],
    "notes": null,
    "echo_outfall": null
  },
  "point": {
    "lat": 38.938878,
    "lon": -77.24945,
    "layer": "DEQ EDMA layer 175 (PReP Reports, Daily)",
    "reference_point": "FC",
    "note": "DEQ's geocode of the report's site address (REFERENCE_POINT 'PG'), not an outfall point",
    "edma_incident": "2026-09-06T17:58:36-04:00",
    "edma_received": "2026-09-07T04:28:11-04:00"
  },
  "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/325226?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 325226, reported Sep 7, 2026, 4:28 AM 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.