# MARKWEST JAVELINA PIPELINE COMPANY, L.L.C. — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 21-210538
- **title:** MARKWEST JAVELINA PIPELINE COMPANY, L.L.C. — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2021-04-12
- **effective on:** 2021-04-12
- **summary:** GAS TRANSMISSION in TX; PROGRAM; PHMSA status: RESOLVED.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-21-210538-operator-9171.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-21-210538-operator-9171.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-21-210538-operator-9171
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip
**body:**

The sale of the Markwest Javelina Processing Facility and associated pipelines as publicly released operates under the following OPID’s (39924, 09171, 39926) and results in a change that meets the requirements of 195.64 (c)(2)(i),(ii),(iii) and (v) for the associated liquid pipelines subject to notification to PHMSA and which resulted in a substantial change under 192.909 for the associated natural gas and hydrogen pipelines by the divesture of these pipelines reducing the HCA mileage of the MPLX G&P (Markwest) gas transmission pipeline system by 43%, a reduction greater than 25% is considered a significant change to our Integrity Management Plan and requires notification to PHMSA per 192.909.”
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- **body characters:** 707