Nick Bowlin — ProPublica

This Oil Company Is Linked to 1,000 Pollution Incidents and Other Violations. Oklahoma Never Punished It.

Staff at an Oklahoma regulatory agency spent over a year building a case against Citation Oil & Gas, a company notorious for oil field pollution. Instead of disciplining the company, agency leaders chose to let it resume operations.

October 27, 2026, 5:00 am EDT

Oklahoma Oil Company Plugs Disposal Well That Posed Threat to City’s Drinking Water

October 5, 2026, 5:00 am EDT
To Protect Its Drinking Water, This City Has to Appeal to the Oil Regulators That Put It at Risk

June 30, 2026, 6:00 am EDT
Toxic Ground: How Oil Field Pollution Is Threatening Oklahoma

June 2, 2026, 6:00 am EDT
Oily Sludge Is Flooding Their Dream Home. Oklahoma Regulators Say They Can’t Help.

May 18, 2026, 6:00 am EDT
Oil Regulators Found Hundreds of Wells Violating Oklahoma Rules. Then They Ignored Their Findings.

March 17, 2026, 5:00 am EDT
Salty, Oily Drinking Water Left Sores in Their Mouths. Oklahoma Refused to Find Out Why.

February 12, 2026, 5:00 am EST
New Bills Seek to Rein In Oil Companies’ Pollution of Oklahoma Groundwater

January 28, 2026, 5:00 am EST
“A Fraudulent Scheme”: New Mexico Sues Texas Oil Companies for Walking Away From Their Leaking Wells

January 22, 2026, 5:00 am EST
Toxic Wastewater From Oil Fields Keeps Pouring Out of the Ground. Oklahoma Regulators Failed to Stop It.

October 29, 2025, 5:30 am EDT
Show Us What It’s Like to Live with Oil Pollution in Oklahoma

October 29, 2025, 5:25 am EDT