The Town of Mentone in Kosciusko County, Ind., is known as the Egg Basket of the Midwest. With just over 1,000 residents, Mentone faces challenges common to many other small communities in North America with a dilemma of an aging lagoon-based wastewater treatment facility and new effluent quality limits.
While effluent limits have become stricter in recent years, many communities have struggled to find the technical and financial resources to keep up because technology options for post-lagoon nutrient removal are limited.
Until recently, cost-effective tertiary treatment technologies following cold oxidation ponds or aerated
