Water Main Installation
For a given excavation in a specific soil there is a certain angle at which the surrounding soil will not slide or cave into the trench.
For a given excavation in a specific soil there is a certain angle at which the surrounding soil will not slide or cave into the trench.
A bacterium, virus, or other microorganism that can cause disease.
Any connection between a potable water system and another fluid system through which contamination could enter the potable water system.