WMATA Office of Inspector General

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Discover The Office
Of Inspector General

Hotline

If you suspect fraud, waste, or misconduct in the Washington Metropolitan Area Transit Authority,
contact the WMATA OIG Hotline
1-888-234-2374

Award Program

Whistleblower

The WMATA Office of Inspector General conducts Whistleblower Reprisal Investigations.

If you believe to be the victim of retaliation, let us help you.

OIG Audit Plan

The Annual Audit Plan is a projection of what the Office of Audits & Evaluations would like to accomplish in the fiscal year designated. Other issues may rise in importance and require WMATA OIG audit resources. Other OIG offices, such as the Office of Investigations, is a more reactive component of WMATA OIG and is therefore not covered in […]

Audit Plan PDF

OIG Semiannual Reports

The WMATA OIG Semiannual Report encompasses activities and accomplishments for the past 6 months. OIG’s mandate under the WMATA Compact is to be an independent, objective unit that audits, evaluates, and investigates WMATA activities; promotes economy, efficiency, and effectiveness; fights fraud and abuse; and keeps the Board fully and currently informed about deficiencies in WMATA […]

Evaluations Report

Evaluation of WMATA's Controls Over Bus Operator Licensing Requirements
The Office of Inspector General (OIG) conducted an evaluation to determine the efficiency and effectiveness of the Washington Metropolitan Area Transit Authority’s (WMATA’s) internal controls over bus operator licensing requirements.

Audit Report

Review of WMATA’s ERP Implementation Project
The Office of Inspector General (OIG) conducted a limited review to determine whether the Washington Metropolitan Area Transit Authority (WMATA) is following a structured and disciplined process to implement the new Enterprise Resource Planning (ERP) solution. The scope of the review was limited to the finance component, which includes the accounting, grants, and project management modules.

OIG in the News

U.S. Attorney’s Office Participates in Record-Setting National Health Care Fraud Takedown
As released by: U.S. Attorney’s Office, District of Columbia – Monday, June 30, 2025

Read Press Release

Recent Reports

September 11, 2025

Annual Audit and Evaluation Plan for Fiscal Year 2026

The Office of Inspector General (OIG) is pleased to present our FY 2026 Annual Audit and Evaluation Plan, which outlines the audit activities and priorities for the upcoming year.

September 11, 2025

Evaluation of WMATA's Controls Over Bus Operator Licensing Requirements

The Office of Inspector General (OIG) conducted an evaluation to determine the efficiency and effectiveness of the Washington Metropolitan Area Transit Authority’s (WMATA’s) internal controls over bus operator licensing requirements.

July 29, 2025

Review of WMATA's ERP Implementation Project

The objective of this limited review was to determine whether the Washington Metropolitan Area Transit Authority (WMATA) is following a structured and disciplined process to implement the new Enterprise Resource Planning (ERP) solution.

OIG IN THE NEWS

U.S. Attorney’s Office Participates in Record-Setting National Health Care Fraud TakedownJune 30, 2025
As released by: U.S. Attorney’s Office, District of Columbia – Monday, June 30, … Continue reading U.S. Attorney’s Office Participates in Record-Setting National Health Care Fraud Takedown
WMATA Train Operators Arrested in Health Care Fraud SchemeJune 16, 2025
As released by: U.S. Attorney’s Office, District of Columbia – Friday, June 13, … Continue reading WMATA Train Operators Arrested in Health Care Fraud Scheme
Federal Government Employee Sentenced for Conspiring to Defraud Local Agencies to Benefit His Private CompanyOctober 28, 2024
As released by: U.S. Attorney’s Office, District of Columbia – Friday, October 25, … Continue reading Federal Government Employee Sentenced for Conspiring to Defraud Local Agencies to Benefit His Private Company
Federal Government Employee Pleads Guilty to Conspiring to Defraud Local Agencies to Benefit His Private CompanyJuly 8, 2024
As released by: U.S. Attorney’s Office, District of Columbia – Monday, July 8, … Continue reading Federal Government Employee Pleads Guilty to Conspiring to Defraud Local Agencies to Benefit His Private Company
Former Public Official Pleads Guilty to Conspiracy to Commit Wire and Honest Services FraudJune 7, 2024
As released by: U.S. Attorney’s Office, District of Columbia – Thursday, June 6, … Continue reading Former Public Official Pleads Guilty to Conspiracy to Commit Wire and Honest Services Fraud

More News

OIG TWITTER

WMATA OIG @metrooig ·

September 11, 2025

WMATA OIG is pleased to present our FY 2026 Annual Audit and Evaluation Plan, which outlines the audit activities and priorities for the upcoming year: https://wmataoig.gov/wp-content/uploads/2025/09/FY2026-Annual-Audit-and-Evaluation-Plan-IG-Final-For-Posting.pdf

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WMATA OIG @metrooig ·

September 11, 2025

WMATA OIG conducted an evaluation to determine the efficiency and effectiveness of WMATA’s internal controls over bus operator licensing requirements. Read the full report here: https://wmataoig.gov/wp-content/uploads/2025/09/Evaluation-of-WMATAs-Controls-Over-Bus-Operator-Licensing-Requirements-OIG-26-02-IG-Final_Redacted.pdf

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WMATA OIG @metrooig ·

July 29, 2025

WMATA OIG conducted a limited review to determine whether WMATA is following a structured and disciplined process to implement a new Enterprise Resource Planning (ERP) solution. Read the full report here: https://wmataoig.gov/wp-content/uploads/2025/07/MAR-ERP-Implementation-Project-IG-Final_Redacted.pdf

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U.S. Attorney DC @usao_dc ·

June 30, 2025

U.S. Attorney’s Office Participates in Record-Setting National Health Care Fraud Takedown

🔗https://www.justice.gov/usao-dc/pr/us-attorneys-office-participates-record-setting-national-health-care-fraud-takedown

@USAttyPirro @FBIWFO @MetroOIG @OIGatHHS @OIGDC

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WMATA OIG @metrooig ·

June 26, 2025

WMATA OIG conducted an evaluation to determine the effectiveness and efficiency of WMATA’s internal controls for inventory and materials managed outside of the Supply Chain Management department. Full report here: https://wmataoig.gov/wp-content/uploads/2025/06/Evaluation-of-WMATAs-Alternate-Inventory-and-Material-Practices-IG-Final_Redacted.pdf

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