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Coal ash, or coal combustion residuals (CCRs), the waste from coal-fired power plants, contains contaminants like mercury, cadmium, arsenic and chromium, which are associated with serious health effects. Often collected in coal ash ponds adjacent to natural waterways, this industrial waste is subject to new EPA regulations, along with increased pressure to close or relocate many of the collection ponds.

Chemistries, such as coagulants and flocculants, are commonly used in the process of cleanup and dewatering of coal ash ponds. Dober’s Water Treatment portfolio offers natural chemistry solutions for treating contaminated water before it is released into the environment.

These environmentally friendly and cost-effective solutions can make a positive impact on the bottom line of your coal ash projects.



We’ll analyze your water at no charge, then work with you to ensure you receive the most effective, verifiable product and treatment.

treatment needs

Tell us about your
treatment needs.


Send us your water and we’ll provide you with a solution to your problem, or we can send product samples to you for testing.

treatment process

Add our solution to your treatment process, problem solved.


Use our Residual Test Kit to prove the results.

Want to try out HaloKlear® for your next coal ash project?