# EXPLORER PIPELINE CO — St. Clair County, IL

**Citation:** NPMS FIPS 17163 / OPID 4805  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

10.417633 active Non-HVL Petroleum Product pipeline miles in St. Clair County, IL; public NPMS snapshot 2026-07-16.

## Document text

EXPLORER PIPELINE CO (PHMSA OPID 4805) reported 10.417633 active Non-HVL Petroleum Product pipeline miles in St. Clair County, IL (county FIPS 17163) 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: `3a6b8c331105509f56c87c86f4149304dd8cf1502307e95410838256fd6fa707`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T07:25:52.424Z
- Document slug: `npms-mileage-c178098351a84f07ef08f02e`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "17163",
  "stateFips": "17",
  "state": "IL",
  "county": "St. Clair County",
  "region": "St. Clair County, IL",
  "operator": {
    "id": "4805",
    "name": "EXPLORER PIPELINE CO"
  },
  "commodity": "Non-HVL Petroleum Product",
  "mileage": 10.41763257,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 2228,
    "rowSha256": "ac963615066bce79d2a465878314840b8a28ca8e6ce0454292e47f1f95d535dc"
  },
  "citedSections": [
    "195.61"
  ],
  "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": "EXPLORER PIPELINE CO"
}
```