Sanitary sewer overflow (SSO) reported, May 7, 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 323449, reported May 7, 2026, 12:08 PM 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.
Read the original notice · Report an error
1. Reported wastewater outlet
Operator named in the record: not named. Outlet: not stated. Location: 38.94176, -77.32615; 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: “Snakeden Branch; UT of Snakeden Branch”. 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.
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”
- 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
- 323449
- Original notice
- Read the original notice
- Earlier version
- None: this is the first record
- Later versions
- None
Record details
| Record identifier | va-deq-prep:323449 |
|---|---|
| Source identifier | va-deq-prep |
| Source record number | 323449 |
| Earlier version | Not provided |
| Type | Sanitary sewer overflow (SSO) |
| Status in the report | Ended (as reported) |
| Sewer operator identifier | Not provided |
| Sewer operator | Not provided |
| Federal wastewater discharge permit (NPDES) | Not provided |
| Outlet number | Not provided |
| Outlet name | Not provided |
| Water named in the report | Snakeden Branch; UT of Snakeden Branch |
| Linked waters | Not provided |
| How this report was linked to the water | not linked to a mapped water |
| Latitude | 38.942 |
| Longitude | -77.326 |
| Location source | geocoded from an address or place name |
| Location accuracy, in metres | Not provided |
| Started | May 7, 2026, 9:16 AM EDT (2026-05-07T09:16:46-04:00) |
| Ended | May 7, 2026, 12:16 PM EDT (2026-05-07T12:16:46-04:00) |
| Detail provided by the source | to the minute |
| Reported to the source | May 7, 2026, 12:08 PM EDT (2026-05-07T12:08:23-04:00) |
| Published | Not provided |
| Source last updated | May 11, 2026, 2:38 PM EDT (2026-05-11T14:38:59-04:00) |
| Last retrieved by DirtyWaterWatch | Nov 2, 2026, 9:40 PM EST (2026-11-03T02:40:36Z) |
| Material | sewage |
| Volume, in gallons | 120 |
| Volume as reported | 120 gallons |
| How volume was determined | not stated whether estimated or measured |
| Authority | Virginia DEQ Pollution Response Program (PReP), Northern Regional Office |
| Advice | Not provided |
| Advice period, in hours | Not provided |
| Basis of the advice period | Not provided |
| Original notice | https://portal.deq.virginia.gov/v2/prep/prepReport/323449 |
Original source data
{
"report": {
"id": "323449",
"via": "api",
"incident": "2026-05-07T09:16:46",
"incident_end": null,
"received": "2026-05-07T12:08:23",
"closed": "2026-05-11T14:38:59",
"modified": "2026-05-11T14:38:59",
"date_unknown": false,
"site_name": "SSO - Unpermitted - Blue Plains (DC) - Preston White Dr",
"address": "1899 Preston White Dr",
"city": "Reston",
"zip": "20191",
"county_city": "Fairfax County",
"region": "Northern",
"status_text": "Closed",
"categories": [
"Sanitary Sewer Overflow",
"Risk Tier 2"
],
"waterbody": "Snakeden Branch",
"other_waterbody": "UT of Snakeden Branch",
"original_waterbody": null,
"water_threatened": "Y",
"low": 120,
"high": 120,
"unit": "Gallons",
"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": "Tax Map 027-1 / pipe segment 027-1-102-027-1-100 / located in the easement",
"closure_comment": null
},
"sewage": [
{
"duration_h": 3,
"component": "Pipe",
"component_id": 10,
"volume_gal": 120,
"volume_unknown": null,
"wet_weather": "N",
"treated": null,
"precipitation_in": null,
"causes": [
"Other"
],
"impacts": [
"Discharge to State Waters"
],
"corrective_action": "WCD immediately contacted our emergency contractor to repair the broken pipe. As of 5/11/2026, repairs are underway and scheduled to be completed in approximately 2 weeks. As part of the emergency repair, the contractor will be also installing asset protection in the creek as part of the emergency repair project.",
"steps_taken": null,
"component_comment": null,
"other_cause": null
}
],
"status_log": [
{
"at": "2026-05-07T12:08:24",
"type": "Call Received"
},
{
"at": "2026-05-07T12:31:18",
"type": "Assigned"
},
{
"at": "2026-05-07T12:31:18",
"type": "Under Investigation"
},
{
"at": "2026-05-11T14:37:07",
"type": "Program Participant Assigned"
},
{
"at": "2026-05-11T14:38:46",
"type": "Program Participant Assigned"
},
{
"at": "2026-05-11T14:38:59",
"type": "Closed Call/IR"
}
],
"created_in_prep": "2026-05-07T12:08:24",
"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 3 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": "Snakeden Branch; UT of Snakeden Branch",
"towns": [
"Reston",
"Fairfax County"
],
"notes": null,
"echo_outfall": null
},
"point": {
"lat": 38.941758,
"lon": -77.326146,
"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": "2026-05-07T09:16:46-04:00",
"edma_received": "2026-05-07T12:08:23-04:00"
},
"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/323449?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 323449, reported May 7, 2026, 12:08 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.