Manganese in Water Prompts Action from Central Texas Water Supply Corporation

Residents of Lott and surrounding communities served by the Central Texas Water Supply Corporation (CTWSC) were notified last week of a manganese issue affecting the treated water coming from the Doc Curb Water Treatment Plant. While the substance poses no public health concerns, it has led to significant aesthetic and operational issues, including discolored water that has raised alarm among customers.

In a letter dated July 29, CTWSC General Manager Lee Kelley acknowledged the situation and reassured residents that the water remains disinfected and safe to drink. The presence of manganese and iron, both naturally occurring elements, is not unusual in potable water but can result in noticeable color and taste differences.

“We understand customers are concerned with colored water and may not trust their drinking water,” the letter read. “The water is disinfected and is safe to drink.”

To address the issue, CTWSC has contracted with Evoqua to install a chlorine dioxide generator. Chlorine dioxide is an industry-recognized solution for oxidizing contaminants such as manganese, iron, and hydrogen sulfide.

Once oxidized, these substances can be effectively filtered out.

In addition to the installation, Evoqua will train CTWSC employees, perform regular maintenance, and conduct efficiency testing to ensure continued compliance with regulatory standards. The chlorine dioxide system is expected to be fully operational by Aug.15.

Kelley emphasized the organization’s commitment to transparency and quality service: “We look forward to improving our customer relations. Central Texas Water Supply Corporation has Superior Recognition with TCEQ. We are committed to providing safe, reliable drinking water to our customers.”

Residents with further questions are encouraged to contact the Central Texas Water Supply Corporation directly.