DHHS → MeCDC → Environmental and Community Health → Drinking Water → Public Water Systems → Drinking Water Testing Requirements
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Drinking Water Testing Requirements
Enter a Public Water System Identification number (PWSID) below to access the Drinking Water Testing Requirements for that Public Water System. These reports are only valid as of the date on the document. Any subsequent updates to testing requirements beyond that date are not reflected here. Please contact your Public Water System Inspector if you have any questions about your testing requirements.
The following resources are available to assist public water systems in completing the necessary testing requirements.
- Sampling Guidance and Instructions for Public Water Systems
- EPA Analyte Codes for Drinking Water Contaminants (PDF)
- Maine Accredited Commercial Laboratories
- Download and Install Adobe® Acrobat Reader
- What to know as a Community or NTNC system about your Required Tests for 2025
- What to know as a Transient system about your Required Tests for 2025
