Information for Public Water Systems



What is a Public Water System?  Definitions and examples of public water systems and types of public water systems

Contacts for Public Water System Inspectors

Capacity Development

Changes to Public Water Systems

COVID-19 Resources for Public Water Systems

Cybersecurity and Resilience

Drinking Water Commission

Drinking Water Safety Orders  Information about the types of drinking water orders that are issued when a threat to the public exists from contamination of a public water system's drinking water.

Emergency Response Resources  Resources for responding to emergencies, such as severe weather events, loss of pressure/water, treatment failure, and boil water orders.

Financial Resources  Funding programs available to public water systems.

Forms for Download  All DWP forms in one place.

Lead in K-12 School Drinking Water

Mapping of Public Water Systems in Maine  Mapping of public water system sources and protection areas in Google Earth.

MEWARN  Maine Water/Wastewater Agency Response Network – a statewide emergency resource network of water and wastewater utilities.

New Well and New Source Approval  Steps for obtaining approval of a new public water system, or approval for a new well or new source for an existing public water system.

Operator Requirements  Licensed water operator requirements for public water systems.

Reporting  Water test result reporting, monthly operating reports (MORs), consumer confidence reports.

Revised Total Coliform Rule (RTCR)

Rules, Policies, and Regulated Contaminants  Links to Federal and State of Maine drinking water statutes, rules, and policies.

Water Sampling & Testing  Water system sampling, Drinking Water Testing Requirements, how to collect water samples.

Seasonal Water Systems  Resources for seasonal water systems such as campgrounds, golf courses, sporting camps, and ski areas.

Security and Emergency Preparedness  Guidance, resources, and information on preparing, implementing, and updating drinking water security and emergency preparedness plans.

Small Drinking Water Systems Webinar Series  A free webinar series from EPA that communicates current research, regulatory information, and solutions for challenges facing small drinking water systems.

Source Water Protection  Guidance, resources, and information for protecting drinking water sources and preventing contamination.

Technical Assistance  Information on technical assistance available to public water systems.

Treatment  Addition, removal, and changes to drinking water treatment, treatment system maintenance, water treatment chemicals, monthly operating reports (MORs), and treatment failures.

Violations & Enforcement  Types of violations incurred by public water systems: Maximum Contaminant Level (MCL) exceedances, failure to monitor and report, and treatment techniques.

Water System Inspections  Information about the types of on-site inspections conducted at public water systems by Drinking Water Program Field Inspectors.


Updated 10/17/2024