# SUPERIOR ENERGY CO, LLC — Gas distribution annual report (2020)

**Citation:** PHMSA Annual Report 20211015 (2020)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2020-12-31

Gas distribution; reporting year 2020; MI; Natural Gas. Operator-reported infrastructure data.

## Document text

Gas distribution annual report for reporting year 2020, submitted by SUPERIOR ENERGY CO, LLC (operator 31342). Reported scope: MI; Natural Gas. Represented states: MI. Selected reported fields: mmiles total: 151.32; mmiles 2in to 4in total: 30.33; mmiles 4in to 8in total: 24.06; mmiles by dcd total: 151.32; mmiles lt2in total: 96.93; mmiles part b2 total: 151.32; mmiles pe total: 151.32; num srvcs total: 2808; num srvs 1in to 2in total: 94; num srvs by dcd total: 2808; num srvs lt1in total: 2714; num srvs part b3 total: 2808; num srvs pe total: 2808; total hazleaks ex srvs: 4; total leaks ex srvs: 4; mmiles by dcd 1990 to 1999: 75.7; mmiles by dcd 2000 to 2009: 25.56; mmiles by dcd 2010 to 2019: 43.9; mmiles by dcd 2020 to 2029: 6.16; mmiles pe 2in to 4in: 30.33; mmiles pe 4in to 8in: 24.06; mmiles pe lt2in: 96.93; mmiles plastic: 151.32. 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: `b7ffd3b50679724be880c27740861276fb13dc7241094f6729802ea89f990081`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-27T17:57:54.277Z
- Document slug: `phmsa-annual-998d92c3b955ff79d8c8ee73`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_distribution",
  "reportYear": 2020,
  "reportNumber": "20211015",
  "supplementalNumber": "42447",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "31342",
    "name": "SUPERIOR ENERGY CO, LLC"
  },
  "region": "MI",
  "commodity": "Natural Gas",
  "representedStates": [
    "MI"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {
    "MMILES_TOTAL": 151.32,
    "MMILES_2IN_TO_4IN_TOTAL": 30.33,
    "MMILES_4IN_TO_8IN_TOTAL": 24.06,
    "MMILES_BY_DCD_TOTAL": 151.32,
    "MMILES_LT2IN_TOTAL": 96.93,
    "MMILES_PART_B2_TOTAL": 151.32,
    "MMILES_PE_TOTAL": 151.32,
    "NUM_SRVCS_TOTAL": 2808,
    "NUM_SRVS_1IN_TO_2IN_TOTAL": 94,
    "NUM_SRVS_BY_DCD_TOTAL": 2808,
    "NUM_SRVS_LT1IN_TOTAL": 2714,
    "NUM_SRVS_PART_B3_TOTAL": 2808,
    "NUM_SRVS_PE_TOTAL": 2808,
    "TOTAL_HAZLEAKS_EX_SRVS": 4,
    "TOTAL_LEAKS_EX_SRVS": 4,
    "MMILES_BY_DCD_1990_TO_1999": 75.7,
    "MMILES_BY_DCD_2000_TO_2009": 25.56,
    "MMILES_BY_DCD_2010_TO_2019": 43.9,
    "MMILES_BY_DCD_2020_TO_2029": 6.16,
    "MMILES_PE_2IN_TO_4IN": 30.33,
    "MMILES_PE_4IN_TO_8IN": 24.06,
    "MMILES_PE_LT2IN": 96.93,
    "MMILES_PLASTIC": 151.32
  },
  "dependentRowsBySheet": {},
  "dataAsOf": "2026-02-02T07:27:13.000Z",
  "reportingPeriodEnd": "2020-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_distribution_2010_present.zip",
    "archiveSha256": "5a1422d800e6839d1dcacc2e9f1b24fc34371ef78f4cb8ffc53872eeeadfca1a",
    "workbook": "annual_gas_distribution_2020.xlsx",
    "sheet": "GD AR 2020",
    "rowNumber": 1249,
    "sourceRowNumbers": [
      1249
    ],
    "rowSha256": "d4fb09c49b007c361923db4fb605ca1ad84c05538c932f022f09834a23f019d8"
  },
  "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": "SUPERIOR ENERGY CO, LLC"
}
```