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BOIL WATER · MAJOR

Roswell, NM Coliform Treatment Technique Violation Recorded by EPA (2026 Guide)

Published: 2026-09-27 • Sourced: EPA ECHO SDWIS compliance record for PWSID NM3520203 (Safe Drinking Water Information System, accessed 2026-09-27) • View Full Roswell Water Score →

📋 Incident Regulatory Summary

Public Water System ID NM3520203
Detected Level treatment technique / MCL violation on the EPA compliance record
EPA Regulatory Threshold EPA Revised Total Coliform Rule: zero-tolerance MCL for E. coli, with treatment-technique and assessment requirements triggered for total coliform positives

What Residents in Roswell Need to Know

Roswell Municipal Water System (PWSID NM3520203) supplies roughly 54,025 residents in Roswell, New Mexico (Chaves County). EPA's SDWIS/ECHO compliance record flags this system as currently in violation of Groundwater Rule; E. COLI, with 5 quarters of violations logged in the past five years. Enforcement status in the federal record: In Violation. Population exposed: 54,025.

EPA Safety Standard & Health Context

Under the Safe Drinking Water Act (SDWA), public water systems must adhere to National Primary Drinking Water Regulations enforced by the EPA Safe Drinking Water Information System (SDWIS). When water parameters deviate from baseline standards—as recorded in the current Roswell monitoring notice—prompt verification of point-of-use filtration certified under NSF/ANSI Drinking Water Treatment Standards is recommended.

Recommended Consumer Action Plan

Until the state primacy agency clears the system, boil water for at least one minute before drinking, cooking, or brushing teeth, or use an NSF/ANSI 53 rated filter rated for cyst and bacteria reduction.

Long-Term Municipal Infrastructure & Testing

Municipal water treatment operates at centralized scale, but distribution piping, seasonal hydraulic shifts, and customer-side lead service connections create point-of-use variance. To monitor compliance history and contaminant testing results for your neighborhood, consult the Roswell Water Quality Dashboard and federal guidelines published by the CDC Drinking Water Program.

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Frequently Asked Questions

Is tap water currently safe to drink in Roswell?

Roswell Municipal Water System (PWSID NM3520203) supplies roughly 54,025 residents in Roswell, New Mexico (Chaves County). EPA's SDWIS/ECHO compliance record flags this system as currently in violation of Groundwater Rule; E. COLI, with 5 quarters of violations logged in the past five years. Enforcement status in the federal record: In Violation. Population exposed: 54,025. While municipal utilities actively manage compliance, vulnerable households should deploy certified secondary point-of-use filtration.

What filtration technology is recommended for Roswell's water?

Until the state primacy agency clears the system, boil water for at least one minute before drinking, cooking, or brushing teeth, or use an NSF/ANSI 53 rated filter rated for cyst and bacteria reduction.

Where does this water safety data originate?

Data is sourced directly from EPA ECHO SDWIS compliance record for PWSID NM3520203 (Safe Drinking Water Information System, accessed 2026-09-27), cross-referenced against EPA Safe Drinking Water Act compliance records.