# PHMSA operator 4906 — Hazardous liquid annual report (2023)

**Citation:** PHMSA Annual Report 20240469 (2023)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2023-12-31

Hazardous liquid; reporting year 2023; TX; HVL. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2023, submitted by PHMSA operator 4906 (operator 4906). Reported scope: TX; HVL. Represented states: LA, TX. Selected reported fields: partdtotalmiles: 1347.74; partbhcatotal: 772.33; partdcpctotal: 1347.74; partdontotal: 1347.74; parte1950total: 72; parte1960total: 104.15; parte1970total: 308.32; parte1980total: 174.88; parte1990total: 252.74; parte2000total: 13.57; parte2010total: 2.51; partepre40total: 0.51; partetotal: 929.72; partetotalhf: 446.06; partetotallf: 483.66; parteunkntotal: 1.04. Attached form tables: HL AR Part F to G: 2 related rows; HL AR Part H: 2 related rows; HL AR Part I: 2 related rows; HL AR Part J: 2 related rows; HL AR Part K: 2 related rows; HL AR Part L: 2 related rows; HL AR Part M: 2 related rows; HL AR Part N to O: 1 related row; HL AR Part P: 2 related rows; HL AR Part Q: 2 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: `b4e7270b9caab58d87ddabafd200b7f59aebd6c415a26c465074844991671f8c`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T12:53:42.367Z
- Document slug: `phmsa-annual-cb5f874c0ff2a404db789a10`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2023,
  "reportNumber": "20240469",
  "supplementalNumber": "21286",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "4906",
    "name": "PHMSA operator 4906"
  },
  "region": "TX",
  "commodity": "HVL",
  "representedStates": [
    "LA",
    "TX"
  ],
  "jurisdictionClasses": [
    "INTRASTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 1347.74,
    "PARTBHCATOTAL": 772.33,
    "PARTDCPCTOTAL": 1347.74,
    "PARTDONTOTAL": 1347.74,
    "PARTE1950TOTAL": 72,
    "PARTE1960TOTAL": 104.15,
    "PARTE1970TOTAL": 308.32,
    "PARTE1980TOTAL": 174.88,
    "PARTE1990TOTAL": 252.74,
    "PARTE2000TOTAL": 13.57,
    "PARTE2010TOTAL": 2.51,
    "PARTEPRE40TOTAL": 0.51,
    "PARTETOTAL": 929.72,
    "PARTETOTALHF": 446.06,
    "PARTETOTALLF": 483.66,
    "PARTEUNKNTOTAL": 1.04
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 2,
    "HL AR Part H": 2,
    "HL AR Part I": 2,
    "HL AR Part J": 2,
    "HL AR Part K": 2,
    "HL AR Part L": 2,
    "HL AR Part M": 2,
    "HL AR Part N to O": 1,
    "HL AR Part P": 2,
    "HL AR Part Q": 2
  },
  "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": 41,
    "sourceRowNumbers": [
      41
    ],
    "rowSha256": "701c9951af9deb14d17bc037056aef0a69759c86d50fc5cbc8e02ef978d55dbe"
  },
  "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 4906"
}
```