Considerations for Adopting Mobile Water and Wastewater Treatment Solutions

1. Considerations for Adopting Mobile Water and Wastewater Treatment Solutions • Mobile water or wastewater treatment equipment can provide an immediate solution to the problem of interrupted service. • Mobile units require a smaller commitment of resources for treatment, reduce operating costs and environmental footprint, and allow water projects to use a temporary solution before investing in a full-scale installation. Implementing mobile water or wastewater treatment solutions has become more popular as an accepted method of meeting challenging treatment needs, especially when the time frame for decision-making is limited.

2. Mobile water or Wastewater Treatment Equipment A mobile water or wastewater treatment solution is also particularly appropriate for: • Emerging operations where a plant is not yet installed, or equipment is not yet up and running • Bridging the gap when determining how to fix or replace old equipment • Providing for continued service during emergency situations • Solving a temporary, project-based need, such as an ash pond closure • Avoiding a larger, more permanent upgrade, as an alternative to the expense of an upgrade • Focusing on the company’s core business by hiring someone else to run a less significant part of the operation • Drawing costs from operations, rather than capital expenditure budgets

3. Choose a Problem-Specific Solution • To make the most effective decision, customers should enlist engineering expertise before ordering mobile equipment. Although a customer may enter a rental situation with a bias for a particular equipment choice, a more efficient approach is to get a full understanding of the problem. • As an example, at a mobile wastewater treatment site in the South, a customer requested a series of aeration tanks for the community’s wastewater plant. While the customer said the aeration tanks in series were needed to do the job, he didn’t mention that the location had an issue with heavy rains, nor that the rains could produce a wastewater stream that could overwhelm the tanks.

4. Expand the Mobile Experience to Provide a Complete Resolution • Mobile rental solutions present greater opportunities than do solutions that entail simply providing equipment. A facility can opt to have the rental supplier take care of the complete range of the solution, from installation to operations. This approach can improve a facility’s economic and environmental performance, allowing it to focus on its core business strength. • A model like this has worked well for a Aquatech customer in the East. This customer has contracted with WesTech to remediate a coal ash pond to meet EPA regulations.

5. Expect There to be Variations Between Mobile and Conventional Installations • Wastewater treatment systems do not work exactly like full systems, so customers may need to modify expectations for operations. • Our wide range of processes for custom engineered water treatment defines us as one of the few global companies capable of single point responsibility on a project.

6. Address Treatment Needs in the Early Stages to Avoid Emergencies • Although mobile water and wastewater treatment solutions are effective for emergency use, making plans as early as possible can avoid unnecessary alarm. • The situation in a Western town is an example of what can happen when a decision is delayed. In the early 1980s, the owner of a mine turned off the pumps that kept the neighboring mine pit dry. The slowly rising, highly contaminated water in the pit had the potential of endangering the community below. Systems are in place to clean water and release it outside of the mine pit, but they are inadequate. The cost is far too high with the current system to keep it up for a long period of time. The town has been looking for a cost-effective solution to reduce the rise of the toxic water.

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