# MIDWEST NATURAL GAS INC — Gas distribution annual report (2018)

**Citation:** PHMSA Annual Report 20190242 (2018)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2018-12-31

Gas distribution; reporting year 2018; WI; Natural Gas. Operator-reported infrastructure data.

## Document text

Gas distribution annual report for reporting year 2018, submitted by MIDWEST NATURAL GAS INC (operator 12492). Reported scope: WI; Natural Gas. Represented states: WI. Selected reported fields: mmiles total: 714.13; mmiles 2in to 4in total: 201.33; mmiles 4in to 8in total: 37.57; mmiles by dcd total: 714.24; mmiles lt2in total: 475.23; mmiles part b2 total: 714.13; mmiles pe total: 600.95; mmiles steel total: 113.18; num srvcs total: 17519; num srvs 1in to 2in total: 220; num srvs 2in to 4in total: 20; num srvs by dcd total: 17519; num srvs lt1in total: 17279; num srvs part b3 total: 17519; num srvs pe total: 16273; num srvs steel total: 1246; total hazleaks cor srvs: 1; total hazleaks eq srvs: 2; total hazleaks ex mains: 1; total hazleaks ex srvs: 20; total hazleaks mat weld mains: 1; total hazleaks nf srvs: 2; total hazleaks of dam srvs: 12; total leaks cor srvs: 1; total leaks eq srvs: 81; total leaks ex mains: 1; total leaks ex srvs: 21; total leaks mat weld mains: 4; total leaks mat weld srvs: 13; total leaks nf srvs: 2. 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: `96b05bcdccb5d2bb229a242121f3114170b1293f63f28591ae1d8c0d581efdbb`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T08:33:02.141Z
- Document slug: `phmsa-annual-91c92aefe753ed9c3949fdf6`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_distribution",
  "reportYear": 2018,
  "reportNumber": "20190242",
  "supplementalNumber": "37643",
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "12492",
    "name": "MIDWEST NATURAL GAS INC"
  },
  "region": "WI",
  "commodity": "Natural Gas",
  "representedStates": [
    "WI"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {
    "MMILES_TOTAL": 714.13,
    "MMILES_2IN_TO_4IN_TOTAL": 201.33,
    "MMILES_4IN_TO_8IN_TOTAL": 37.57,
    "MMILES_BY_DCD_TOTAL": 714.24,
    "MMILES_LT2IN_TOTAL": 475.23,
    "MMILES_PART_B2_TOTAL": 714.13,
    "MMILES_PE_TOTAL": 600.95,
    "MMILES_STEEL_TOTAL": 113.18,
    "NUM_SRVCS_TOTAL": 17519,
    "NUM_SRVS_1IN_TO_2IN_TOTAL": 220,
    "NUM_SRVS_2IN_TO_4IN_TOTAL": 20,
    "NUM_SRVS_BY_DCD_TOTAL": 17519,
    "NUM_SRVS_LT1IN_TOTAL": 17279,
    "NUM_SRVS_PART_B3_TOTAL": 17519,
    "NUM_SRVS_PE_TOTAL": 16273,
    "NUM_SRVS_STEEL_TOTAL": 1246,
    "TOTAL_HAZLEAKS_COR_SRVS": 1,
    "TOTAL_HAZLEAKS_EQ_SRVS": 2,
    "TOTAL_HAZLEAKS_EX_MAINS": 1,
    "TOTAL_HAZLEAKS_EX_SRVS": 20,
    "TOTAL_HAZLEAKS_MAT_WELD_MAINS": 1,
    "TOTAL_HAZLEAKS_NF_SRVS": 2,
    "TOTAL_HAZLEAKS_OF_DAM_SRVS": 12,
    "TOTAL_LEAKS_COR_SRVS": 1,
    "TOTAL_LEAKS_EQ_SRVS": 81,
    "TOTAL_LEAKS_EX_MAINS": 1,
    "TOTAL_LEAKS_EX_SRVS": 21,
    "TOTAL_LEAKS_MAT_WELD_MAINS": 4,
    "TOTAL_LEAKS_MAT_WELD_SRVS": 13,
    "TOTAL_LEAKS_NF_SRVS": 2
  },
  "dependentRowsBySheet": {},
  "dataAsOf": "2026-02-02T07:27:10.000Z",
  "reportingPeriodEnd": "2018-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_distribution_2010_present.zip",
    "archiveSha256": "5a1422d800e6839d1dcacc2e9f1b24fc34371ef78f4cb8ffc53872eeeadfca1a",
    "workbook": "annual_gas_distribution_2018.xlsx",
    "sheet": "GD AR 2018",
    "rowNumber": 663,
    "sourceRowNumbers": [
      663
    ],
    "rowSha256": "0f88ca5d248ebfc159ab90d6ed7df46704f07a6669fc067a1aca1898e180c7ce"
  },
  "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": "MIDWEST NATURAL GAS INC"
}
```