Small or non-municipal drinking water systems can include a:
- Major residential water system which is not owned by a municipality
- Small municipal residential system
- Non-municipal year-round residential system
- Large municipal non-residential system serving a designated facility
- Large non-municipal non-residential system serving a designated facility
- Small municipal non-residential system serving a designated facility
- Small non-municipal non-residential system serving a designated facility
- Non-municipal seasonal system serving a designated facility.
Tell me more about these different categories of drinking water systems.
If you operate one of these systems, you will need a limited system operator certificate or a trained person or supervised person designation.
Read this fact sheet to learn more about what each certificate or designation allows you to do.
