EPA v. Los Alamos County DPU

Case summary

On May 26, 2026, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to Los Alamos County WWTF. The AO was issued in response to effluent violations of permit limits, SSOs, and DMR non-receipt violations. 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)

• Los Alamos County Department of Public UtilitiesNamed in settlement

Facilities (1)

• LOS ALAMOS COUNTY PUD-BAYO WWTP

  3500 PUEBLO CANYON ROAD, LOS ALAMOS, NM, 87544

  Registry ID: 110064604441

Statutes cited

• CWA 301/402 — NPDES Permit Violations

Enforcement conclusions (1)

• Los Alamos County DPUentered 2026-05-26

  Primary law: CWA

Timeline (2 milestones)

• 2026-05-07Enforcement Action Data Entered
• 2026-05-26Final Order Issued