DirtyWaterWatch Public waters. Public record.

New York / Reports /

Treatment bypass reported — Chemung Co Elmira SD STP, Jun 22, 2026

Ongoing (as reported) · Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know)

Source: Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know), record 2584506771004099, reported Jun 22, 2026, 3:23 PM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

Current status from this report

Earlier version. A later record from the same source replaces this one. The newest version sets the map status. read the newer version

A report is not a test of the water. See how we assign statuses.

Latest conditions, not at the time of this report:At the Chemung River at Elmira NY gauge, 700 metres from the nearest boat launch on Chemung River: flow 305 cubic feet per second (Nov 2, 2026, 3:30 PM EST). Conditions are measured at the gauge, not at this spot, and do not change the status.Conditions on Chemung River

Source: U.S. Geological Survey via Water Data for the Nation, gauge 01530332, reading Nov 2, 2026, 3:30 PM EST, retrieved 2026-11-02 21:22 UTC. Gauge chosen by DirtyWaterWatch. · Readings and history at USGS

Read the original notice · Report an error

1. Reported wastewater outlet

Operator named in the record: Chemung Co Elmira SD STP (federal wastewater discharge permit, NPDES, NY0035742). Outlet: “The outfall is south of the end of Milton St., near the wastewater treatment plant.”. Location: 42.07635, -76.77620; location source: given in the source record.

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

2. Waters named in the notice

The notice names: “Chemung River”. DirtyWaterWatch links this report to Chemung River, NY. Match basis: the water named in the report.

3. Estimated downstream stretch

No downstream estimate is available for this report.

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.

Open on the main map

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
ongoing, as last reported
Detail provided by the source
Times known to the minute
Reported to the source
Published
Source last updated
not given
Last retrieved by DirtyWaterWatch

What and how much

Type
Treatment bypass: wastewater skips one or more treatment steps.
Status in the record
Ongoing (as reported)
Material
“Partially Treated with Disinfection”
Volume
“TBD - Ongoing Gallons Estimated” (estimated)
Volume as reported
“TBD - Ongoing Gallons Estimated”

Advice from Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know)

“Wastewater is discharged to the river to avoid flooding of the treatment plant and neighborhood. Avoid area of Chemung River near Milton St. Wastewater Treatment Plant during intense rainfall event while discharge is happening. Normal river recreation may resume following active discharge.”

Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know)
Advice period
This report does not state a period. See the rule DirtyWaterWatch applies and its source.
Basis
not stated

Source and versions

Source
NY DEC Sewage Pollution Right to Know
Source record number
2584506771004099
Original notice
Read the original notice
Earlier version
None: this is the first record
Later versions
version 2

Record details

Record details
Record identifierny-dec-sprtk:2584506771004099
Source identifierny-dec-sprtk
Source record number2584506771004099
Earlier versionNot provided
TypeTreatment bypass
Status in the reportOngoing (as reported)
Sewer operator identifierny-chemung-county-elmira-sd
Sewer operatorChemung Co Elmira SD STP
Federal wastewater discharge permit (NPDES)NY0035742
Outlet numberNot provided
Outlet nameThe outfall is south of the end of Milton St., near the wastewater treatment plant.
Water named in the reportChemung River
Linked waterschemung-river-ny
How this report was linked to the waterthe water named in the report
Latitude42.076
Longitude-76.776
Location sourcegiven in the source record
Location accuracy, in metresNot provided
StartedJun 22, 2026, 3:03 PM EDT (2026-06-22T15:03:00-04:00)
EndedNot provided
Detail provided by the sourceto the minute
Reported to the sourceJun 22, 2026, 3:23 PM EDT (2026-06-22T15:23:14-04:00)
PublishedJun 22, 2026, 3:23 PM EDT (2026-06-22T15:23:14-04:00)
Source last updatedNot provided
Last retrieved by DirtyWaterWatchNov 2, 2026, 3:40 PM EST (2026-11-02T20:40:35Z)
MaterialPartially Treated with Disinfection
Volume, in gallonsNot provided
Volume as reportedTBD - Ongoing Gallons Estimated
How volume was determinedestimated
AuthorityChemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know)
AdviceWastewater is discharged to the river to avoid flooding of the treatment plant and neighborhood. Avoid area of Chemung River near Milton St. Wastewater Treatment Plant during intense rainfall event while discharge is happening. Normal river recreation may resume following active discharge.
Advice period, in hoursNot provided
Basis of the advice periodNot provided
Original noticehttps://www.dec.ny.gov/fs/data/SPRTK_Data.xlsx

Original source data

{
  "row": {
    "notificationId": "2584506771004099",
    "sprtkAirDateTime": "06/22/2026 19:23:14",
    "notificationStatus": "New",
    "facilityName": "Chemung Co Elmira SD STP NY0035742",
    "facilityId": "NY0035742",
    "countyName": "Chemung",
    "streetNumber": "500",
    "streetName": "Milton Street",
    "city": "Elmira",
    "addressDescription": "The outfall is south of the end of Milton St., near the wastewater treatment plant.",
    "latitude": "-76.77620116456825",
    "longitude": "42.07635233511487",
    "sprtkStartDischargeDatetime": "06/22/2026 19:03:00",
    "sprtkEndDischargeDatetime": "06/22/2026 22:00:00",
    "dischargeDuration": "TBD - Ongoing Hours - Ongoing",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Chemung River",
    "quantity": "TBD - Ongoing Gallons Estimated",
    "treatedState": "Partially Treated with Disinfection",
    "dischargeDescription": "Partially treated headworks discharges are primarily rainwater runoff (95-98%) with some gray water or wastewater (2-5%). Solids and grit are removed prior to discharge and chlorine is added for disinfection.",
    "stepsToContain": "Permitted partially treated wastewater outfall.",
    "additionalInstructions": "Wastewater is discharged to the river to avoid flooding of the treatment plant and neighborhood. Avoid area of Chemung River near Milton St. Wastewater Treatment Plant during intense rainfall event while discharge is happening. Normal river recreation may resume following active discharge.",
    "geoaddress": "500 Milton St, Elmira, NY 14904, USA",
    "impactedArea": "Fishing Area,Fishing Area -",
    "dischargeReason": "System Capacity,Weather Conditions - Intensity and volume of rainfall caused system capacity exceedances.",
    "systemComponent": "Plant Headworks,Plant Headworks -",
    "region": "8",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Intensity and volume of rainfall caused system capacity exceedances.",
    "sprtkAdditionalInstructions": "Wastewater is discharged to the river to avoid flooding of the treatment plant and neighborhood. Avoid area of Chemung River near Milton St. Wastewater Treatment Plant during intense rainfall event while discharge is happening. Normal river recreation may resume following active discharge."
  },
  "_tab": "January 2026-August2026",
  "_row": 3915,
  "_time_basis": {
    "air": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York",
    "start": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York",
    "end": "UTC in the workbook (rows aired from late May 2025); converted to America/New_York"
  },
  "_projected_end": "2026-06-22T18:00:00-04:00",
  "_projected_end_note": "NY-Alert requires an expected end time on every notice; this one is a projection, not a reported end",
  "_coords": "latitude and longitude columns swapped; a street-address geocode chosen by the notifier",
  "_event_type_basis": "partially treated discharge (treated state)",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_volume_note": "first (New) notice: NY-Alert requires a volume and an end time up front, so this figure is the notifier's estimate or placeholder, not a measured total",
  "_chain": {
    "id": "key:NY0035742|500 milton street elmira|2026-06-22T19:03Z",
    "basis": "facility + address + start",
    "position": 1,
    "of": 2,
    "head": "ny-dec-sprtk:2584506771004099",
    "latest": "ny-dec-sprtk:2580074364810966"
  }
}

Source: Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know), record 2584506771004099, reported Jun 22, 2026, 3:23 PM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

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