# PHMSA operator 300 — Hazardous liquid annual report (2024)

**Citation:** PHMSA Annual Report 20250463 (2024)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2024-12-31

Hazardous liquid; reporting year 2024; TX; HVL. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2024, submitted by PHMSA operator 300 (operator 300). Reported scope: TX; HVL. Represented states: CA, MI, TX. Selected reported fields: partdtotalmiles: 127.38; partbhcatotal: 59.86; partdcpctotal: 120.55; partdcuototal: 6.83; partdontotal: 127.38; parte1990total: 0.01; parte2010total: 48.05; parte2020total: 2.7; partetotal: 50.76; partetotalhf: 50.76. Attached form tables: HL AR Part F to G: 3 related rows; HL AR Part H: 3 related rows; HL AR Part I: 3 related rows; HL AR Part J: 3 related rows; HL AR Part K: 3 related rows; HL AR Part L: 3 related rows; HL AR Part M: 3 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; HL AR Part R: 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: `31f0b82e3954b609de50b31069103fb661da496e2f0cc1fb8561a1e004f73b32`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-24T01:38:48.558Z
- Document slug: `phmsa-annual-cfe4e242640552d6a3d0c413`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2024,
  "reportNumber": "20250463",
  "supplementalNumber": "22176",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "300",
    "name": "PHMSA operator 300"
  },
  "region": "TX",
  "commodity": "HVL",
  "representedStates": [
    "CA",
    "MI",
    "TX"
  ],
  "jurisdictionClasses": [
    "INTERSTATE",
    "INTRASTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 127.38,
    "PARTBHCATOTAL": 59.86,
    "PARTDCPCTOTAL": 120.55,
    "PARTDCUOTOTAL": 6.83,
    "PARTDONTOTAL": 127.38,
    "PARTE1990TOTAL": 0.01,
    "PARTE2010TOTAL": 48.05,
    "PARTE2020TOTAL": 2.7,
    "PARTETOTAL": 50.76,
    "PARTETOTALHF": 50.76
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 3,
    "HL AR Part H": 3,
    "HL AR Part I": 3,
    "HL AR Part J": 3,
    "HL AR Part K": 3,
    "HL AR Part L": 3,
    "HL AR Part M": 3,
    "HL AR Part N to O": 1,
    "HL AR Part P": 3,
    "HL AR Part Q": 3,
    "HL AR Part R": 3
  },
  "dataAsOf": "2026-02-02T07:29:44.000Z",
  "reportingPeriodEnd": "2024-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_hazardous_liquid_2010_present.zip",
    "archiveSha256": "198f3d91d726c21cc5f66b0f79d7814a35991be746058f1225eff1d3f1b31ed8",
    "workbook": "annual_hazardous_liquid_2024.xlsx",
    "sheet": "HL AR Part A to E",
    "rowNumber": 7,
    "sourceRowNumbers": [
      7
    ],
    "rowSha256": "7fcb75c1907a7750761a77b18dbdc1352df9cba8da2f8905041aac38e35cc61d"
  },
  "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 300"
}
```