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RCAC – Coliform Sampling Procedures

May 3, 2023 @ 2:00 pm - 4:00 pm

Description: Sampling for total coliforms and E. coli in the water system is one of the most important things an operator can do. The new Revised Total Coliform Rule (RTCR) effective April 2016 affects every public water system. These revisions to the Total Coliform Rule will affect how operators and managers respond to total coliform positives (TC+) and require steps to analyze the integrity of the system as a result of positive samples. Investigation and corrective actions are at the forefront of the RTCR, and knowing how to complete a level 1 assessment can be the difference between compliance and violation. This workshop will focus on reviewing triggers for level 1 and level 2 assessments and who is expected to perform them; how to conduct an assessment with examples and small group exercises.

Participants will learn:

  • New procedures for the month following a TC+
  • What to do if you have a positive E. coli result
  • When an assessment of system is needed
  • How to complete a level 1 assessment of your system
  • Tips on system inspection/investigation

Operator Basics Series: The recommended audience includes operators, managers, and board members.


May 3, 2023
2:00 pm - 4:00 pm
Event Category:


Rural Community Assistance Corporation
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