The Fond du Lac Regional Wastewater Treatment & Resource Recovery Facility (WRRF) is an advanced 8-10 mgd facility that plays a critical role in protecting the water quality of Lake Winnebago. Operating under a six-month average phosphorus limit of 0.6 mg/L, the utility uses a hybrid approach — combining enhanced biological phosphorus removal with automated chemical dosing — to ensure consistent nutrient compliance.
Fond du Lac WRRF leverages smart instrumentation to monitor treatment performance in real time and only employs chemical phosphorus removal when necessary. The result is a sustainable, responsive system that supports both biological performance and regulatory compliance.
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