Western Midstream
WES
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Sustainability

We’re committed to advancing energy through our strong culture of responsibility and rigorous management of sustainability issues through three strategic pillars: supporting sustainable environments, focusing on people, and operating responsibly.

Sustainability

We’re committed to advancing energy through our strong culture of responsibility and rigorous management of ESG issues through three strategic pillars – supporting sustainable environments, focusing on people, and operating responsibly.
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Our Sustainability Report

Our sustainability performance is central to our organization – from the boardroom to our daily operations – and we are committed to maintaining our policies and procedures designed to strengthen our performance over time.

2025 WES Sustainability Summary Report (PDF)

Our Sustainability Report details our previous year's performance in environmental, social, and governance matters. Click to access the report.

2025 Guide to Ongoing Sustainability Programs (PDF)

This document details WES’s sustainability-related policies, management approach, and ongoing programs. It should be read in conjunction with WES’s annual Sustainability Summary Report. Click to access the report.

Note on Methodology for Scope 1 and Scope 2

Note on Methodology for Scope 1 and Scope 2 Greenhouse Gas (GHG) Emissions and Workplace Safety and Health.

EIC & GPA Midstream ESG Reporting Template

View our EIC & GPA Midstream ESG Reporting Template.

Supporting Sustainable Environments​

Our industry-leading practices and technologies maintain employee safety and ensure protection of the environment.

  • Environmental management
  • Climate change and emissions
  • Biodiversity and surface impacts
  • Waste management
  • Release prevention and response
  • Water management
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Enhanced our ongoing leak detection and repair (LDAR) program for gas processing plants by conducting more frequent scans and including a greater number of operating equipment.

Upgraded 50 engines to more efficient technology, which is estimated to reduce methane emissions and volatile organic compound (VOC) emissions by up to 40%.
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88% of WES’s total water supply to customers was recycled produced water.

Volunteer hours and over 500+ causes supported.
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Dollars donated to support local community organizations.
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Launched employee engagement survey with 80% response rate.

Focusing on People​

Our focus on supporting our workforce and communities ensures that when they succeed, so will our company.​

  • Our employees
  • Contractor and supplier management
  • Community and landowner engagement
  • Community investment
View this section

Operating Responsibly

Our development of intentional and robust governance systems support our sustainability efforts and our commitment to keeping our workforce, communities, and the environment safe.

  • Governance
  • Employee and contractor safety
  • Emergency preparedness
  • Asset and Pipeline integrity
  • Security
  • Cybersecurity
View this section
Hours of safety training in 2025, an average of nearly 50 hours per worker.
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Implemented enhanced hand injury prevention management systems and training.

Launched WES Safe Weekly—a series of structured, point-of-work conversations to deepen engagement and improve real-time learning.

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WES
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