# TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Notice of Probable Violation

**Citation:** CPF 12026044NOPV  
**Type / status:** enforcement / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-05-29

OPEN notice of probable violation citing 192.12(c).

## Document text

Notice of Probable Violation involving TALLGRASS INTERSTATE GAS TRANSMISSION, LLC. PHMSA's enforcement data identifies the cited regulation as 192.12(c). The case was opened on 2026-05-29 and is reported as open. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

12026044NOPV_Operator Response to Notice and Request for Informal Conference and Request Hearing and Statement of Issues and Request Case File_06292026_(25-330096).pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_Operator%20Response%20to%20Notice%20and%20Request%20for%20Informal%20Conference%20and%20Request%20Hearing%20and%20Statement%20of%20Issues%20and%20Request%20Case%20File_06292026_(25-330096).pdf

12026044NOPV_PCO_05292026_(25-330096).pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_PCO_05292026_(25-330096).pdf

12026044NOPV_PCO_05292026_(25-330096)_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_PCO_05292026_(25-330096)_text.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/12026044NOPV>
- Source ID: `phmsa-enforcement`
- SHA-256: `6506555d59f00e18565edc2a31f666e9f8b04bf0d7fd0936411323956885d498`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T11:30:27.141Z
- Document slug: `phmsa-enforcement-12026044nopv`

### Source metadata

```json
{
  "cpf": "12026044NOPV",
  "operator": "TALLGRASS INTERSTATE GAS TRANSMISSION, LLC",
  "region": "Eastern",
  "pipelineType": "INTERSTATE UNDERGROUND NG STORAGE",
  "caseStatus": "OPEN",
  "citedSections": [
    "192.12(c)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 3,
  "attachments": [
    {
      "name": "12026044NOPV_Operator Response to Notice and Request for Informal Conference and Request Hearing and Statement of Issues and Request Case File_06292026_(25-330096).pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_Operator%20Response%20to%20Notice%20and%20Request%20for%20Informal%20Conference%20and%20Request%20Hearing%20and%20Statement%20of%20Issues%20and%20Request%20Case%20File_06292026_(25-330096).pdf",
      "bytes": 276301,
      "category": "party_submission"
    },
    {
      "name": "12026044NOPV_PCO_05292026_(25-330096).pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_PCO_05292026_(25-330096).pdf",
      "bytes": 236288,
      "category": "case_document"
    },
    {
      "name": "12026044NOPV_PCO_05292026_(25-330096)_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026044NOPV/12026044NOPV_PCO_05292026_(25-330096)_text.pdf",
      "bytes": 257848,
      "category": "case_document"
    }
  ],
  "extractedAgencyDocumentCount": 0,
  "attachmentPolicy": "Official attachment links are retained. Agency-issued documents may also include a verified local PDF and page-level text representation.",
  "jurisdiction": "US",
  "operatorName": "TALLGRASS INTERSTATE GAS TRANSMISSION, LLC"
}
```