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Hazardous Waste Training

2018 Potable Water Monitoring Requirements

  • Monitoring information for 2018 is provided by county below.  
    • Individual letters are only provided for community water systems (CWS) and non-transient non-community (NTNC) systems.
    • Transient non-community sampling (TNC) is summarized here:   TNC Monitoring
  • Click on the county name to open a file listing all CWS and NTNC systems in Public Water System (PWS) ID Number order.  Lists are Adobe Acrobat files, (Download the free Reader Software from Adobe.)
  • After you open the file, you may then use the find function (the find field in the Edit menu on the Adobe toolbar) to locate your specific system.   Or right click and choose search from the popup menu to find your system by name or ID number.
  • Click Here for Chemical Report Review Guide for help reviewing your laboratory report


  • It is ultimately the responsibility of the facility owners to ensure all monitoring is completed and results are submitted timely to the Department.   
  • The information provided in these letters is a good faith assessment of the monitoring requirements for each system and we have sought to provide accurate information. Any questions, should be directed to the inspectors. 
  • Inspector List: A list of the assigned inspectors per county and system is available here.
  • We strongly encourage all systems to conduct sampling early within the designated monitoring periods.  This will allow time for resamples, if necessary.
  • All Community Water Systems are required to provide customers with a Consumer Confidence Reports or Water Quality Report annually.  It is due to customers by July 1st, with a copy of the Certification of Delivery due August 10th.
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Last Modified:
December 4, 2018 - 3:46pm

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