Chad Ziegler and his team helped a small Wisconsin water utility navigate an ownership transition and, along the way, resolve a variety of issues.

A Washington clean-water plant successfully tests polymer addition to control Nocardioform foaming in a high-purity oxygen treatment process

A new technology installed in a plant upgrade helps an Iowa town achieve 100% ammonia removal through winters even without supplemental heating of the wastewater.

A Kentucky water district handles everyday operations and frequent plant upgrades through common-sense approaches and staff ingenuity.

A new microbial technology proves effective in a lagoon cleaning trial and finds a long-term role in collection system and lagoon maintenance.