# NORTHWEST NATURAL GAS CO — Gas distribution annual report (1993)

**Citation:** PHMSA Annual Report 19930619 (1993)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1993-12-31

Gas distribution; reporting year 1993; WA. Operator-reported infrastructure data.

## Document text

Gas distribution annual report for reporting year 1993, submitted by NORTHWEST NATURAL GAS CO (operator 13840). Reported scope: WA. Represented states: WA. 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: `7ce5bec20615c5b847fe00b4b93724437d7c0f92c8ef41b906139f3b221888ff`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T06:45:38.864Z
- Document slug: `phmsa-annual-926f6dfc2f6b742f47f854c4`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "gas_distribution",
  "reportYear": 1993,
  "reportNumber": "19930619",
  "supplementalNumber": null,
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "13840",
    "name": "NORTHWEST NATURAL GAS CO"
  },
  "region": "WA",
  "commodity": null,
  "representedStates": [
    "WA"
  ],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {},
  "dependentRowsBySheet": {},
  "dataAsOf": null,
  "reportingPeriodEnd": "1993-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_gas_distribution_1970_2003.zip",
    "archiveSha256": "69842e0bb5b30036b5130988d9695ee3c7f0f7b2e91d95944efab3db827d80f5",
    "workbook": "annual_gas_distribution_1993.xlsx",
    "sheet": "GD AR 1993",
    "rowNumber": 1000,
    "sourceRowNumbers": [
      1000
    ],
    "rowSha256": "05bb31f2bed98e4f07cadf0a172e65faddf2d00e08dc9aea6b3e65fcc38603d4"
  },
  "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": "NORTHWEST NATURAL GAS CO"
}
```