How One Plant Beat Phosphorus Limits and Avoided a Plant Upgrade

A Texas team avoids a costly plant upgrade for phosphorus removal by working with industrial and commercial customers to reduce their inputs.
How One Plant Beat Phosphorus Limits and Avoided a Plant Upgrade
The team at the Walnut Branch Wastewater Treatment Plant includes, from left, Brandon McBride, chief operator; Eugene Robinson, operator; Gilbert Ybarbo, superintendent; Jose Nava, operator; Rene Porras, pretreatment coordinator; and Jestin Peeples, operator in training.

When the time came to renew ITS NPDES permit, the team in the City of Seguin received an unpleasant surprise.

In 2010, as part of a focus on reducing phosphorus discharges, the Texas Commission on Environmental Quality proposed a limit of 1 mg/L. Seguin’s wastewater treatment...

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