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Drinking water compliance assurance

Back to drinking water

We're responsible for determining whether Colorado public water systems are in compliance with regulatory requirements.

Portal for public water systems, their representatives, and laboratories to submit drinking water information to us.
Monitoring schedules.
Forms, templates, guidance, and policies.
Draft Consumer Confidence Reports (water quality reports).
Test your water | Water testing frequently requested information.
List of certified drinking water laboratories with approved certifications.
Online drinking water calculators.
- CT for giardia and viruses | 90th Percentile for Lead and Copper.
- Locational Running Annual Average (LRAA) for TTHM and HAA5 | Total Organic Carbon (TOC) Removal Ratio.
Drinking water enforcement actions.
Colorado drinking water regulations (Regulation 11) | Facility operator regulation (Regulation 100)

Facility operator certification

All public water systems must maintain a Treatment Operator (if applicable) and Distribution System Operator (if applicable).
Responsible operators are located on the public water system monitoring schedule and may be updated by submitting the Drinking Water Contact Update Form.
To search for operator certification information, please visit the CCWP.