# GREYLOCK APPLE GROVE PIPELINE LLC — Mason County, WV

**Citation:** NPMS FIPS 54053 / OPID 41083  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

0.363123 active Natural Gas pipeline miles in Mason County, WV; public NPMS snapshot 2026-07-16.

## Document text

GREYLOCK APPLE GROVE PIPELINE LLC (PHMSA OPID 41083) reported 0.363123 active Natural Gas pipeline miles in Mason County, WV (county FIPS 54053) 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: `ccffd6660c14e1eed09ff82426663fda7ed4d2b7f373d3ab8d9d2edc9626a6c1`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T02:30:55.218Z
- Document slug: `npms-mileage-d4ea204c6760288f7f0fdc9b`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "54053",
  "stateFips": "54",
  "state": "WV",
  "county": "Mason County",
  "region": "Mason County, WV",
  "operator": {
    "id": "41083",
    "name": "GREYLOCK APPLE GROVE PIPELINE LLC"
  },
  "commodity": "Natural Gas",
  "mileage": 0.36312311,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 14957,
    "rowSha256": "86bb8d7c10ff1f162bc18f95f98d18ce3885d73a82bb0700b13b7e638f08b7db"
  },
  "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": "GREYLOCK APPLE GROVE PIPELINE LLC"
}
```