# PALMETTO GAS SYSTEM — Gas distribution annual report (2021)

**Citation:** PHMSA Annual Report 20220460 (2021)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2021-12-31

Gas distribution; reporting year 2021; LA; Natural Gas. Operator-reported infrastructure data.

## Document text

Gas distribution annual report for reporting year 2021, submitted by PALMETTO GAS SYSTEM (operator 15077). Reported scope: LA; Natural Gas. Represented states: LA. Selected reported fields: mmiles total: 49; mmiles 2in to 4in total: 10; mmiles 4in to 8in total: 13; mmiles by dcd total: 49; mmiles lt2in total: 26; mmiles part b2 total: 49; mmiles pe total: 20; mmiles steel total: 29; num srvcs total: 337; num srvs by dcd total: 337; num srvs lt1in total: 337; num srvs part b3 total: 337; num srvs pe total: 138; num srvs steel total: 199; total hazleaks ex mains: 1; total leaks cor mains: 1; total leaks eq srvs: 9; total leaks ex mains: 1; total leaks mat weld mains: 2; total leaks mat weld srvs: 6; total leaks of dam srvs: 2; mmiles by dcd 1960 to 1969: 41; mmiles by dcd 1970 to 1979: 8; mmiles pe 2in to 4in: 6; mmiles pe lt2in: 14; mmiles plastic: 20; mmiles steel 2in to 4in: 4; mmiles steel 4in to 8in: 13; mmiles steel cp coated: 29; mmiles steel lt2in: 12. 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: `a6d45058a88a7bf6a54220f2185fc7b676deeb7374d5e0c9cbc553152a21fd32`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T04:35:01.940Z
- Document slug: `phmsa-annual-91d1730571e11c648ddc982c`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_distribution",
  "reportYear": 2021,
  "reportNumber": "20220460",
  "supplementalNumber": "45422",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "15077",
    "name": "PALMETTO GAS SYSTEM"
  },
  "region": "LA",
  "commodity": "Natural Gas",
  "representedStates": [
    "LA"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {
    "MMILES_TOTAL": 49,
    "MMILES_2IN_TO_4IN_TOTAL": 10,
    "MMILES_4IN_TO_8IN_TOTAL": 13,
    "MMILES_BY_DCD_TOTAL": 49,
    "MMILES_LT2IN_TOTAL": 26,
    "MMILES_PART_B2_TOTAL": 49,
    "MMILES_PE_TOTAL": 20,
    "MMILES_STEEL_TOTAL": 29,
    "NUM_SRVCS_TOTAL": 337,
    "NUM_SRVS_BY_DCD_TOTAL": 337,
    "NUM_SRVS_LT1IN_TOTAL": 337,
    "NUM_SRVS_PART_B3_TOTAL": 337,
    "NUM_SRVS_PE_TOTAL": 138,
    "NUM_SRVS_STEEL_TOTAL": 199,
    "TOTAL_HAZLEAKS_EX_MAINS": 1,
    "TOTAL_LEAKS_COR_MAINS": 1,
    "TOTAL_LEAKS_EQ_SRVS": 9,
    "TOTAL_LEAKS_EX_MAINS": 1,
    "TOTAL_LEAKS_MAT_WELD_MAINS": 2,
    "TOTAL_LEAKS_MAT_WELD_SRVS": 6,
    "TOTAL_LEAKS_OF_DAM_SRVS": 2,
    "MMILES_BY_DCD_1960_TO_1969": 41,
    "MMILES_BY_DCD_1970_TO_1979": 8,
    "MMILES_PE_2IN_TO_4IN": 6,
    "MMILES_PE_LT2IN": 14,
    "MMILES_PLASTIC": 20,
    "MMILES_STEEL_2IN_TO_4IN": 4,
    "MMILES_STEEL_4IN_TO_8IN": 13,
    "MMILES_STEEL_CP_COATED": 29,
    "MMILES_STEEL_LT2IN": 12
  },
  "dependentRowsBySheet": {},
  "dataAsOf": "2026-02-02T07:27:15.000Z",
  "reportingPeriodEnd": "2021-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_distribution_2010_present.zip",
    "archiveSha256": "5a1422d800e6839d1dcacc2e9f1b24fc34371ef78f4cb8ffc53872eeeadfca1a",
    "workbook": "annual_gas_distribution_2021.xlsx",
    "sheet": "GD AR 2021",
    "rowNumber": 766,
    "sourceRowNumbers": [
      766
    ],
    "rowSha256": "13b8e4fd5ccb20232cb31eb54ad66ce2a3bb30ad71e9cd5f63e65eef1ec50531"
  },
  "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": "PALMETTO GAS SYSTEM"
}
```