EPA v. MMWA Treatment Plant-Silverton, TX-RMP ESA-FY 2026

Case summary

On July 10 ,2025, EPA Risk Management Program Reporting Center sent a letter to Respondent, notifying Respondent of its failure to update the Risk Management Plan on file with EPA for its facility located in Silverton, Texas (the Facility ). Facilities subject to the Risk Management Program (RMP) regulations at 40 C.F.R. Part 68 are required to submit an updated Risk Management Plan at least once every five years. EPA's review indicates that the update for the Facility was not submitted by the required due date of June 16,2025.

Defendants (1)

• Mackenzie Municipal Water Authority (MMWA TreatmenNamed in complaintNamed in settlement

Facilities (1)

• MACKENZIE MUNICIPAL WATER AUTHORITY

  141 SOUTH MACKENZIE ROAD, SILVERTON, TX, 79257

  Registry ID: 110034636598

Statutes cited

• CAA 112[R][7] — Prevention of Accidental Release/Risk Management Plans (RMPs)

Enforcement conclusions (1)

• MMWA Treatment Plant-Silverton, TX-RMP ESA-FY 2026entered 2026-01-15

  Primary law: CAA

  Federal penalty: $400

Timeline (4 milestones)

• 2026-01-15Final Order Issued
• 2026-01-15Complaint Filed/Proposed Order
• 2026-01-20Enforcement Action Data Entered
• 2026-03-04Compliance Achieved