# PHMSA operator 30657 — Hazardous liquid annual report (2024)

**Citation:** PHMSA Annual Report 20250704 (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; CO2. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2024, submitted by PHMSA operator 30657 (operator 30657). Reported scope: TX; CO2. Represented states: CO, NM, TX. Selected reported fields: partdtotalmiles: 1042.29; partbhcatotal: 54.59; partdcpctotal: 1042.29; partdontotal: 1042.29; parte1980total: 652.83; parte1990total: 307.42; parte2000total: 52.47; parte2010total: 29.57; partetotal: 1042.29; partetotalhf: 1042.29. Attached form tables: HL AR Part F to G: 1 related row; HL AR Part H: 4 related rows; HL AR Part I: 4 related rows; HL AR Part J: 4 related rows; HL AR Part K: 4 related rows; HL AR Part L: 4 related rows; HL AR Part M: 4 related rows; HL AR Part N to O: 1 related row; HL AR Part P: 4 related rows; HL AR Part Q: 4 related rows; HL AR Part R: 4 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: `9b1d9af7e7c3528357b20507b1689b23eca72dc3706b8db5ef1c1e74ad026d06`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-24T10:03:01.723Z
- Document slug: `phmsa-annual-6b3450b3b917c4ebec120800`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2024,
  "reportNumber": "20250704",
  "supplementalNumber": "22435",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "30657",
    "name": "PHMSA operator 30657"
  },
  "region": "TX",
  "commodity": "CO2",
  "representedStates": [
    "CO",
    "NM",
    "TX"
  ],
  "jurisdictionClasses": [
    "INTERSTATE",
    "INTRASTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 1042.29,
    "PARTBHCATOTAL": 54.59,
    "PARTDCPCTOTAL": 1042.29,
    "PARTDONTOTAL": 1042.29,
    "PARTE1980TOTAL": 652.83,
    "PARTE1990TOTAL": 307.42,
    "PARTE2000TOTAL": 52.47,
    "PARTE2010TOTAL": 29.57,
    "PARTETOTAL": 1042.29,
    "PARTETOTALHF": 1042.29
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 1,
    "HL AR Part H": 4,
    "HL AR Part I": 4,
    "HL AR Part J": 4,
    "HL AR Part K": 4,
    "HL AR Part L": 4,
    "HL AR Part M": 4,
    "HL AR Part N to O": 1,
    "HL AR Part P": 4,
    "HL AR Part Q": 4,
    "HL AR Part R": 4
  },
  "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": 155,
    "sourceRowNumbers": [
      155
    ],
    "rowSha256": "c067c2e0c74710902c5e98973580d5a62129afdf9b8a9c205305fbf9cad39190"
  },
  "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 30657"
}
```