Combined sewer overflow (CSO) reported — Chemung Co Elmira SD STP, Aug 2, 2026

Record details

Original source data

{
  "row": {
    "notificationId": "2652126736146611",
    "sprtkAirDateTime": "08/03/2026 12:36:54",
    "notificationStatus": "Update",
    "facilityName": "Chemung Co Elmira SD STP",
    "facilityId": "NY0035742",
    "countyName": "Chemung",
    "streetNumber": "301",
    "streetName": "West Water Street",
    "city": "Elmira",
    "addressDescription": "Outfalls to Chemung River in Elmira",
    "latitude": "-76.8090473835328",
    "longitude": "42.08679023851642",
    "sprtkStartDischargeDatetime": "08/02/2026 19:00:00",
    "sprtkEndDischargeDatetime": "08/02/2026 20:45:00",
    "dischargeDuration": "1.75 Hours - Ended",
    "surfaceWater": "Yes",
    "receivingWaterBody": "Chemung River",
    "componentDescription": "Permitted Outfalls",
    "quantity": "TBD Gallons Estimated",
    "treatedState": "Untreated",
    "dischargeDescription": "Combined Sewer Overflows (rainwater & wastewater) are primarily rainwater runoff (90-98%) with some graywater or wastewater (2-10%) discharged to the river as a primary system capacity relief.",
    "stepsToContain": "Permitted Combined Sewer Overflow (CSO) discharge",
    "additionalInstructions": "Avoid the Chemung River in Elmira during intense rainfall event while discharge is happening. Normal river recreation may resume following active CSO discharge. Combined Sewers are typically in older cities where sewers were designed and built in the 1800’s or early 1900’s. Significant amounts of rainwater can fill the capacity of the Combined Sewer System, thereby necessitating overflow relief outlets to the river to avoid combines sewer water flooding streets and basements. For more information please visit: http://www.dec.ny.gov/chemical/48595.html",
    "geoaddress": "261 W Water St, Elmira, NY 14901, USA",
    "impactedArea": "-",
    "dischargeReason": "System Capacity,Weather Conditions - Rain intensity exceeded system capacity",
    "systemComponent": "CSO Outfall,CSO Outfall - Permitted Outfalls",
    "region": "8",
    "sprtkDischargeWaterFlow": "Manmade",
    "sprtkExplanation": "Rain intensity exceeded system capacity",
    "sprtkAdditionalInstructions": "Avoid the Chemung River in Elmira during intense rainfall event while discharge is happening. Normal river recreation may resume following active CSO discharge. Combined Sewers are typically in older cities where sewers were designed and built in the 1800’s or early 1900’s. Significant amounts of rainwater can fill the capacity of the Combined Sewer System, thereby necessitating overflow relief outlets to the river to avoid combines sewer water flooding streets and basements. For more information please visit:",
    "sprtkWebsiteUrl": "http://www.dec.ny.gov/chemical/48595.html"
  },
  "_tab": "January 2026-August2026",
  "_row": 4844,
  "_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"
  },
  "_coords": "latitude and longitude columns swapped; a street-address geocode chosen by the notifier",
  "_event_type_basis": "a CSO outfall named in the system component",
  "_water": {
    "via": "receiving water name within New York (checked against the geocode)"
  },
  "_chain": {
    "id": "key:NY0035742|301 west water street elmira|2026-08-02T19:00Z",
    "basis": "facility + address + start",
    "position": 2,
    "of": 3,
    "head": "ny-dec-sprtk:2652126736120935",
    "latest": "ny-dec-sprtk:2666214228916130"
  }
}

Source: Chemung Co Elmira SD STP (NY DEC Sewage Pollution Right to Know), record 2652126736146611, reported Aug 3, 2026, 8:36 AM EDT, retrieved 2026-11-02 20:40 UTC · Read the original notice

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