# NORTHERN NATURAL GAS CO — Gas transmission and gathering annual report (1986)

**Citation:** PHMSA Annual Report 19860737 (1986)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1986-12-31

Gas transmission and gathering; reporting year 1986; IA IL KS LA MI MN MT NE NM OK SD TX WI. Operator-reported infrastructure data.

## Document text

Gas transmission and gathering annual report for reporting year 1986, submitted by NORTHERN NATURAL GAS CO (operator 13750). Reported scope: IA IL KS LA MI MN MT NE NM OK SD TX WI. Represented states: IA, IL, KS, LA, MI, MN, MT, NE, NM, OK, SD, TX, WI. Selected reported fields: transmission onshore miles: 14730; gathering onshore miles: 28; gathering offshore miles: 175. 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: `0f3a9362edf3c7be2827217cb8ad294ac801cc6643c7dcb21fb7a16f3b6894de`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T03:03:19.387Z
- Document slug: `phmsa-annual-91e07bca5fa7115ac771439c`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_transmission_gathering",
  "reportYear": 1986,
  "reportNumber": "19860737",
  "supplementalNumber": null,
  "sourceFormat": "legacy_xls",
  "operator": {
    "id": "13750",
    "name": "NORTHERN NATURAL GAS CO"
  },
  "region": "IA IL KS LA MI MN MT NE NM OK SD TX WI",
  "commodity": null,
  "representedStates": [
    "IA",
    "IL",
    "KS",
    "LA",
    "MI",
    "MN",
    "MT",
    "NE",
    "NM",
    "OK",
    "SD",
    "TX",
    "WI"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {
    "TRANSMISSION_ONSHORE_MILES": 14730,
    "GATHERING_ONSHORE_MILES": 28,
    "GATHERING_OFFSHORE_MILES": 175
  },
  "dependentRowsBySheet": {},
  "dataAsOf": null,
  "reportingPeriodEnd": "1986-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_transmission_gathering_1970_2000.zip",
    "archiveSha256": "0045b2ed5b6e0037084234547050cf80d07aa8c8444155af8f8c651a8b2d0bdd",
    "workbook": "annual_gas_transmission_gathering_1970_1989.xls",
    "sheet": "1984-1989",
    "rowNumber": 2563,
    "sourceRowNumbers": [
      2563
    ],
    "rowSha256": "380636dc209a9c80dc9ce31ecde9facd524bc3b46632a645f8f6a3426a7c010a"
  },
  "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": "NORTHERN NATURAL GAS CO"
}
```