Seminole County

Seminole County

Location: Seminole County, FL

The construction of a new well prompted the need for Seminole County, Florida to address hydrogen sulfide regulations by the Florida Department of Environmental Protection. Struggling with disinfection byproducts resulting from Total Organic Carbon (TOC) and bromide in the water, the county began utilizing ozone oxidation to address the hydrogen sulfide and reduce disinfection by-product through a pilot study. Pilot testing confirmed the success of this treatment method and ion exchange treatment was recommended for the treatment of TOC. Seminole County partnered with Tonka Water, a U.S. Water Brand to develop an innovative system, which uses anion exchange to treat groundwater.

Seminole County Utilities chose a Tonka Water, a U.S. Water Brand Organix™ ion exchange treatment system to address TOC. The treatment process consists of six 12’ diameter ion exchange vessels containing anion exchange resin and support gravel. Water is pumped directly from the wells through the Organix ion exchange system to storage and the distribution system.

Tonka Water, a U.S. Water Brand’s considerable experience with ion exchange treatment technology allowed for a fully optimized system where resin capacity is closely matched with control of brining and regeneration of the media. This allows for the reduction of brine waste and backwash water. With easy integration into existing facilities for both ground and surface water treatment, Organix is ideal for TOC, Dissolved Organic Carbon (DOC), and color removal. With no moving parts, it is easy to operate and maintain consistent water quality. Additional features include intermittent or continuous operation, adaptation for seasonal use and SCADA compatibility. Organix is a cost-effective and user-friendly solution to the complex challenge of organics removal.

The Seminole County plant is meeting expectations since its commissioning in 2014. Tonka Water, a U.S. Water Brand is proud to have assisted the community in achieving its treatment goals.

Raw WaterFinished Water
TOC2.0 mg/L<1.0 mg/L

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