# PHMSA operator 31174 — Hazardous liquid annual report (2020)

**Citation:** PHMSA Annual Report 20210543 (2020)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2020-12-31

Hazardous liquid; reporting year 2020; TX; HVL. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2020, submitted by PHMSA operator 31174 (operator 31174). Reported scope: TX; HVL. Represented states: LA, TX. Selected reported fields: partdtotalmiles: 643.4; partbhcatotal: 427.8; partdcpctotal: 643.4; partdontotal: 643.4; parte1950total: 0.3; parte1960total: 29.8; parte1970total: 375.9; parte1980total: 21.6; parte1990total: 52.9; parte2000total: 13.1; parte2010total: 0.5; partetotal: 494.1; partetotalhf: 478.3; partetotallf: 15.8. Attached form tables: HL AR Part F to G: 3 related rows; 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. 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: `c2ad20b9f2eb3903db6f4b7822c4d90cc941651ac0d8218cb58c3900535dea06`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-24T02:36:56.168Z
- Document slug: `phmsa-annual-7b68994c048777cc1729a1ac`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2020,
  "reportNumber": "20210543",
  "supplementalNumber": "18663",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "31174",
    "name": "PHMSA operator 31174"
  },
  "region": "TX",
  "commodity": "HVL",
  "representedStates": [
    "LA",
    "TX"
  ],
  "jurisdictionClasses": [
    "INTERSTATE",
    "INTRASTATE"
  ],
  "facilities": [],
  "metrics": {
    "PARTDTOTALMILES": 643.4,
    "PARTBHCATOTAL": 427.8,
    "PARTDCPCTOTAL": 643.4,
    "PARTDONTOTAL": 643.4,
    "PARTE1950TOTAL": 0.3,
    "PARTE1960TOTAL": 29.8,
    "PARTE1970TOTAL": 375.9,
    "PARTE1980TOTAL": 21.6,
    "PARTE1990TOTAL": 52.9,
    "PARTE2000TOTAL": 13.1,
    "PARTE2010TOTAL": 0.5,
    "PARTETOTAL": 494.1,
    "PARTETOTALHF": 478.3,
    "PARTETOTALLF": 15.8
  },
  "dependentRowsBySheet": {
    "HL AR Part F to G": 3,
    "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
  },
  "dataAsOf": "2026-02-02T07:29:42.000Z",
  "reportingPeriodEnd": "2020-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_hazardous_liquid_2010_present.zip",
    "archiveSha256": "198f3d91d726c21cc5f66b0f79d7814a35991be746058f1225eff1d3f1b31ed8",
    "workbook": "annual_hazardous_liquid_2020.xlsx",
    "sheet": "HL AR Part A to E",
    "rowNumber": 213,
    "sourceRowNumbers": [
      213
    ],
    "rowSha256": "d7f92161b06ff80ee5d50223a022047ccbde27774e8b629a17fb1c901a97c20c"
  },
  "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 31174"
}
```