Drinking Water Field Operations Branch District 21

• Annual Nitrate (as N) DUE by December 31*
• Consumer Confidence Report (CCR) - Distribute by July 1
• Electronic Annual Report (eAR) DUE by April 1
• Lead and Copper test schedules can be found in the quick link below. If your system received a citation for a monitoring violation, follow the directions for the revised sample schedule in the citation – DO NOT FOLLOW the sample schedule in the quick link below. Contact us if you have any questions.

• Quarterly Compliance Order Requirements due by April 10th, July 10th, October 10th, and January 10th

Treated Water Systems

• Disinfection By-Product test schedules can be found in the quick link below. Contact us if you are unsure of your sampling schedule.
• Second Round LT2 Monitoring Begins for Surface Water Systems - Contact Us for when you start

*Some systems may be on a more frequent schedule

• NEW! The Revised Total Coliform Rule is here! Click here for more information
• Free Drinking Water Workshops! Click Here!
  for more information

• Funding Opportunities
• Operator Certification
• Monitoring Schedules - (Instructions)

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