# ORANGE COUNTY SANITATION DISTRICT — Orange County, CA

**Citation:** NPMS FIPS 06059 / OPID 38972  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

3.904729 active Synthetic Gas pipeline miles in Orange County, CA; public NPMS snapshot 2026-07-16.

## Document text

ORANGE COUNTY SANITATION DISTRICT (PHMSA OPID 38972) reported 3.904729 active Synthetic Gas pipeline miles in Orange County, CA (county FIPS 06059) in the public NPMS summary snapshot dated 2026-07-16. The snapshot includes active assets only and excludes permanently abandoned assets. Exact pipeline locations and restricted NPMS GIS data are not included.

## Provenance

- Official: Yes
- Source: <https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx>
- Source ID: `npms-public-summaries`
- SHA-256: `bb676437ac50cb21d56ff91d166501d11fa98a4d7feff9ac6ade9e9179935a39`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T16:39:44.921Z
- Document slug: `npms-mileage-95e11ed6bfac7075367d95da`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "06059",
  "stateFips": "06",
  "state": "CA",
  "county": "Orange County",
  "region": "Orange County, CA",
  "operator": {
    "id": "38972",
    "name": "ORANGE COUNTY SANITATION DISTRICT"
  },
  "commodity": "Synthetic Gas",
  "mileage": 3.90472916,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 788,
    "rowSha256": "ed1a08ffcb2193b9897eb36c6dc74464804db9d3f9b585486a8bef9cdccd3a6e"
  },
  "citedSections": [
    "191.29"
  ],
  "caveat": "Public aggregate snapshot only. It is not a complete representation of exact pipeline locations, may be updated, and is not an agency finding about facility condition.",
  "jurisdiction": "US",
  "operatorName": "ORANGE COUNTY SANITATION DISTRICT"
}
```