License holders must earn continuing education credits for license renewal. The number of training contact hours (TCHs) required for license renewal depends on the classification of the license. Operator training is available in a variety of programs. Self-study programs are also available. Training topics must be relevant to the treatment or distribution licenses held.
All Community and Non-Transient/Non-Community (NTNC) Public Water Systems, and any Transient water systems using surface water supplies, are required to place the operation of the water system under the direct supervision of a licensed water operator, also known as a Designated Operator (DO).
All public water systems are required to regularly sample and test their water to ensure that it meets federal and state drinking water standards and is safe to drink. Without proper and timely sampling and testing, the quality of the water being served cannot be ensured.
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Samples using all 3 empty vials are to be collected at the same point and following the steps below.
All public water systems are required to regularly sample and test their water to ensure that it meets federal and state drinking water standards and is safe to drink. Without proper and timely sampling and testing, the quality of the water being served cannot be ensured.
The Maine CDC Drinking Water Program (DWP) administers and enforces drinking water regulations and provides educational, technical, and financial assistance.
The Drinking Water Program can be reached 24 hours a day, 7 days a week for Emergency Response Assistance.
In the event of a drinking water emergency during regular business hours (Monday through Friday, 8:00am – 5:00pm), Public Water Systems should reach out to their PWS Inspector or contact the Drinking Water Program’s main line:
Main Line: (207) 287-2070 – Monday thru Friday, 8:00am - 5:00pm
MEWARN is a statewide Water and Wastewater Agency Response Network (WARN) of utilities helping utilities to:
Cyber-attacks against public water systems (PWS) are increasing. In response, the Maine CDC Drinking Water Program (DWP) is working with cybersecurity subject matter experts to support Maine PWS in mitigating cybersecurity risks. As noted below, the DWP intends to launch their Cybersecurity Plan for PWS in 2024.
The Maine CDC Drinking Water Program (DWP) administers and enforces drinking water regulations and provides educational, technical, and financial assistance.
