# ENTERPRISE PRODUCTS OPERATING LLC — Williamson County, IL

**Citation:** NPMS FIPS 17199 / OPID 31618  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

16.983165 active Liquefied Petroleum Gas pipeline miles in Williamson County, IL; public NPMS snapshot 2026-07-16.

## Document text

ENTERPRISE PRODUCTS OPERATING LLC (PHMSA OPID 31618) reported 16.983165 active Liquefied Petroleum Gas pipeline miles in Williamson County, IL (county FIPS 17199) 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: `930788b5895036309c20e818c8739feb5c0fa142b593987aa1fb00e20886ba8f`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T07:32:52.166Z
- Document slug: `npms-mileage-e11b37c4d7f6717a501c7dcb`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "17199",
  "stateFips": "17",
  "state": "IL",
  "county": "Williamson County",
  "region": "Williamson County, IL",
  "operator": {
    "id": "31618",
    "name": "ENTERPRISE PRODUCTS OPERATING LLC"
  },
  "commodity": "Liquefied Petroleum Gas",
  "mileage": 16.98316477,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 2344,
    "rowSha256": "8875bbe8cfce6fae1d827c041182a48cddc50ad4f11cc300186a661e120b7f33"
  },
  "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": "ENTERPRISE PRODUCTS OPERATING LLC"
}
```