- Problem: A municipal wastewater treatment plant investigated a sudden increase in fecal coliform exceedance events.
- Facility: Conventional activated sludge plant with chlorine disinfection in southeastern Australia receiving municipal effluent.
- Size: 16.9 MLD
- Investment: ATP was used to troubleshoot the problem over the course of one day with a total cost of <$1000.
- Economic Analysis: By fixing the problem quickly, a savings of $5000/month for additional chlorination was realized.