camtom
API
Clients
Pricing
Sign inTry now→
camtom
All services operational

Products

  • TariffPro — Tariff Classification
  • Docs — Document Extraction
  • API for Developers

Resources

  • Blog
  • Academy
  • Ebooks
  • Client Stories
  • Use Cases
  • Tariff Classifier
  • Tariff Code Search
  • Tariff Fractions (MX)
  • HTS Codes (US)
  • Trade Glossary
  • Industries
  • MVE by industry
  • HTS Classification
  • Trade Corridors
  • Integrations & Apps
  • Import Costs
  • Tariffs by Country
  • HS Chapters
  • NOM Directory
  • Regulatory Alerts
  • ROI Calculator
  • CCTS Certification
  • Trade Report 2026
  • Colombia Guides
  • Best Tools
  • Case Studies
  • Tariff API
  • Trade Data

Company

  • About
  • Contact
  • Pricing
  • Security
  • Privacy Policy
  • Confidentiality Notice
  • Terms & Conditions
© 2026 Camtom Labs, LLC·
SocialinX▶f◎

Designed and built in San Francisco, CA

  1. Home
  2. /NOM Directory
  3. /NOM-127-SSA1-2021
SSA1 (Health)EnvironmentalActive

NOM-127-SSA1-2021

Water for human use and consumption — Permissible quality limits

Establishes permissible water quality limits for human use and consumption, including microbiological, physical, chemical and radioactive parameters. Applies to all public and private supply systems.

Last updated: 2024

Affected products

Drinking waterBottled waterPurification systemsWater filters

Compliance requirements

  • Meet microbiological limits (coliforms, E. coli)
  • Meet chemical limits (arsenic, lead, fluoride)
  • Periodic quality monitoring
  • Adequate purification treatment
  • Analysis registration and documentation

Related tariff codes

These tariff codes may be subject to this NOM. Check the specific code to confirm.

2201.10.012201.90.018421.21.01

Automate your regulatory compliance

Camtom automatically identifies applicable NOMs for your imported products.

Try now→Schedule a call→

Frequently asked questions