# PHMSA operator 31878 — Hazardous liquid annual report (2023)

**Citation:** PHMSA Annual Report 20240370 (2023)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2023-12-31

Hazardous liquid; reporting year 2023; WY; Crude Oil. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2023, submitted by PHMSA operator 31878 (operator 31878). Reported scope: WY; Crude Oil. Represented states: MT, ND, SD, WY. Selected reported fields: partdtotalmiles: 1793; partbhcatotal: 110; partdcpctotal: 1793; partdontotal: 1793; parte1950total: 226; parte1960total: 354; parte1970total: 233; parte1980total: 77; parte1990total: 8; parte2000total: 49; parte2010total: 302; parte2020total: 339; partetotal: 1588; partetotalhf: 1019; partetotallf: 569. Attached form tables: HL AR Part F to G: 1 related row; HL AR Part H: 4 related rows; HL AR Part I: 3 related rows; HL AR Part J: 4 related rows; HL AR Part K: 4 related rows; HL AR Part L: 3 related rows; HL AR Part M: 4 related rows; HL AR Part N to O: 1 related row; HL AR Part P: 3 related rows; HL AR Part Q: 3 related rows. The sortable date is the reporting-period end, not the operator submission date.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/d/aemm-7pyq>
- Source ID: `phmsa-annual-reports`
- SHA-256: `961d1525498d912a27102ca8cfdb5867425b87e12262a9a9058cc1b6eea9cdb7`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-23T22:47:16.891Z
- Document slug: `phmsa-annual-31dfe6ca31c212f0e79c4f4b`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2023,
  "reportNumber": "20240370",
  "supplementalNumber": "21184",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "31878",
    "name": "PHMSA operator 31878"
  },
  "region": "WY",
  "commodity": "Crude Oil",
  "representedStates": [
    "MT",
    "ND",
    "SD",
    "WY"
  ],
  "jurisdictionClasses": [
    "INTERSTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 1793,
    "PARTBHCATOTAL": 110,
    "PARTDCPCTOTAL": 1793,
    "PARTDONTOTAL": 1793,
    "PARTE1950TOTAL": 226,
    "PARTE1960TOTAL": 354,
    "PARTE1970TOTAL": 233,
    "PARTE1980TOTAL": 77,
    "PARTE1990TOTAL": 8,
    "PARTE2000TOTAL": 49,
    "PARTE2010TOTAL": 302,
    "PARTE2020TOTAL": 339,
    "PARTETOTAL": 1588,
    "PARTETOTALHF": 1019,
    "PARTETOTALLF": 569
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 1,
    "HL AR Part H": 4,
    "HL AR Part I": 3,
    "HL AR Part J": 4,
    "HL AR Part K": 4,
    "HL AR Part L": 3,
    "HL AR Part M": 4,
    "HL AR Part N to O": 1,
    "HL AR Part P": 3,
    "HL AR Part Q": 3
  },
  "dataAsOf": "2026-02-02T07:29:43.000Z",
  "reportingPeriodEnd": "2023-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_hazardous_liquid_2010_present.zip",
    "archiveSha256": "198f3d91d726c21cc5f66b0f79d7814a35991be746058f1225eff1d3f1b31ed8",
    "workbook": "annual_hazardous_liquid_2023.xlsx",
    "sheet": "HL AR Part A to E",
    "rowNumber": 280,
    "sourceRowNumbers": [
      280
    ],
    "rowSha256": "61272a677175a18d3513e7bdc99b5803f05f0b7fda99271fd70fd5554f23338d"
  },
  "caveat": "Operator-reported annual infrastructure data may be corrected. The indexed date is the reporting-period end, not the submission date, and the record is not an agency finding about current facility condition.",
  "jurisdiction": "US",
  "operatorName": "PHMSA operator 31878"
}
```