# PHMSA operator 300 — Hazardous liquid annual report (2018)

**Citation:** PHMSA Annual Report 20190339 (2018)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2018-12-31

Hazardous liquid; reporting year 2018; TX; HVL. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2018, submitted by PHMSA operator 300 (operator 300). Reported scope: TX; HVL. Represented states: CA, MI, TX. Selected reported fields: partdtotalmiles: 124.73; partbhcatotal: 29.05; partdcpctotal: 117.92; partdcuototal: 6.81; partdontotal: 124.73; parte1990total: 0.01; parte2010total: 47.99; partetotal: 48; partetotalhf: 48. Attached form tables: HL AR Part F to G: 2 related rows; HL AR Part H: 3 related rows; HL AR Part I: 3 related rows; HL AR Part K: 3 related rows; HL AR Part J: 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. 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: `fbca98ea884719f9280cdc4f94354a7de19cef190b5ba1e193aef9b191df8902`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-26T20:39:28.408Z
- Document slug: `phmsa-annual-af39f41ad85c0f9521c52233`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2018,
  "reportNumber": "20190339",
  "supplementalNumber": "16762",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "300",
    "name": "PHMSA operator 300"
  },
  "region": "TX",
  "commodity": "HVL",
  "representedStates": [
    "CA",
    "MI",
    "TX"
  ],
  "jurisdictionClasses": [
    "INTERSTATE",
    "INTRASTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 124.73,
    "PARTBHCATOTAL": 29.05,
    "PARTDCPCTOTAL": 117.92,
    "PARTDCUOTOTAL": 6.81,
    "PARTDONTOTAL": 124.73,
    "PARTE1990TOTAL": 0.01,
    "PARTE2010TOTAL": 47.99,
    "PARTETOTAL": 48,
    "PARTETOTALHF": 48
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 2,
    "HL AR Part H": 3,
    "HL AR Part I": 3,
    "HL AR Part K": 3,
    "HL AR Part J": 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
  },
  "dataAsOf": "2026-02-02T07:29:41.000Z",
  "reportingPeriodEnd": "2018-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_hazardous_liquid_2010_present.zip",
    "archiveSha256": "198f3d91d726c21cc5f66b0f79d7814a35991be746058f1225eff1d3f1b31ed8",
    "workbook": "annual_hazardous_liquid_2018.xlsx",
    "sheet": "HL AR Part A to E",
    "rowNumber": 5,
    "sourceRowNumbers": [
      5
    ],
    "rowSha256": "c587684f0ec2cd3d66376771b45e42c0839e317226ca0576f36f1822340ebc80"
  },
  "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"
}
```