Tackling a Permit Compliance Challenge With Preliminary and Secondary Treatment Upgrades

Upgraded aerators and new headworks equipment help an Ohio clean-water plant deal with high ammonia levels and a growing population.

Tackling a Permit Compliance Challenge With Preliminary and Secondary Treatment Upgrades

Josh Fritsch, West Unity (Ohio) village administrator (left), with Randy Mahlman, water and wastewater treatment plant superintendent

Since 1990, toilets in new construction projects have been required to use no more than 1.6 gallons of water per flush — a measure designed to save water.

Some newer low-flow toilets use just 1.3 gallons per flush, while some newer urinals use just half a gallon per flush, or no...

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