EPA v. Upper Ranchitos MDWCASW LSLI AO

Case summary

On May 13, 2026, EPA Region 6 Issued an Administrative Order (AO) to Upper Ranchitos Mutual Domestic Water Consumers and Sewage Works (MDWCASW) (Respondent). The Order was issued in response to the system's failure to develop a Lead Service Line Inventory (LSLI), pursuant to the Lead Copper Rule Improvements (LCRI). Per the Order, systems are required to develop an adequate LSLI, submit the inventory to the state, and if applicable issue a public notice for their failure to develop the LSLI by the statutory due date of October 16, 2024.

Defendants (1)

• Upper Ranchitos MDWCASWNamed in complaintNamed in settlement

Facilities (1)

• UPPER RANCHITOS MDWCASW

  TAOS, NM

  Registry ID: 110013109509

Statutes cited

• SDWA 1412/1414 — National Drinking Water Regulations

Enforcement conclusions (1)

• Upper Ranchitos MDWCASW LSLI AOentered 2026-05-13

  Primary law: SDWA

Timeline (2 milestones)

• 2026-05-13Final Order Issued
• 2026-05-14Enforcement Action Data Entered