EPA v. Rio Puerco WWTP, Pueblo of Laguna

Case summary

On September 21, 2026, EPA Region 6 issued an Administrative Order on Consent (AOC) under its authority pursuant to Section 309 of the Clean Water Act to the Laguna Development Corporation Rio Puerco NM WWTF. The AOC was issued in response to effluent violations of permit limits for Hg and TDS. The AOC 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 (2)

• Rio Puerco WWTP
• Laguna Development CorporationNamed in settlement

Facilities (1)

• RIO PUERCO WWTP/ROUTE 66 CASINO

  BERNALILLO COUNTY__LOCATED ON, ALBUQUERQUE, NM, 87121

  Registry ID: 110020039359

Statutes cited

• CWA 301/402 — NPDES Permit Violations

Enforcement conclusions (1)

• Rio Puerco WWTP, Pueblo of Lagunaentered 2026-09-17

  Primary law: CWA

Timeline (2 milestones)

• 2026-05-04Enforcement Action Data Entered
• 2026-09-17Final Order Issued