EPA v. Harris County MUD No. 400 WWTF No. 2

Case summary

On March 16, 2026 EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to Harris County MUD No. 400 Wastewater Treatment Facility No. 2, in Houston, TX. The AO is issued in response to effluent violations of their E. Coli, Total Suspended Solids, and Total Ammonia Nitrogen limits. The AO requires the facility to; 1.) submit a list of specific actions taken to correct the violations and 2.) submit written certification to EPA that the violations have been corrected and the facility is compliant with its permit. The Respondent must respond to EPA Region 6 within thirty (30) days of the effective dated of the AO.

Defendants (1)

• Harris County MUD No. 400Named in settlement

Facilities (1)

• HARRIS COUNTY MUD 400 WWTP 2

  2500' WEST 4200' N INTX OF BELTWAY 8, HOUSTON, TX, 77396

  Registry ID: 110030770887

Statutes cited

• CWA 301/402 — NPDES Permit Violations

Enforcement conclusions (1)

• Harris County MUD No. 400 WWTF No. 2entered 2026-03-13

  Primary law: CWA

Timeline (2 milestones)

• 2026-03-13Final Order Issued
• 2026-03-25Enforcement Action Data Entered