Inside the May 2019 Issue of Treatment Plant Operator
![This Biosolids Program Takes the Same Approaches to Crop Nutrition as Progressive Farmers](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fpickthorn_tpo40.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=df50fea1e122517029da77f1fc16af8f)
Sioux Falls biosolids land application program strives for precision in applying nutrients at agronomic rates for the crops to be planted.
![This Missouri Operator and His Team Have Found the Recipe for Consistent Compliance and Operating Efficiency](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Ftpo_dennymedley_benriles_moberlywwtp_039.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=1b52918cda052908d2d10ada75f676ed)
Ben Riles and his four-member operations team stir up a record of high-performance at the Moberly (Missouri) Wastewater Treatment Plant.
![A Mix of Surface and Groundwater Sources Keeps This Tennessee City Well-Supplied](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fmeadowparktn28.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=4a0fbc307f1ede52fddb059c587365ad)
Two water treatment plants help Crossville’s operator team maintain a consistent supply in the face of seasonal challenges and weather events.
![No Odors, No Trash, No Violations for This Utah Water Reclamation Facility](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fshatz_randy_wyness__0017.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=5fc5e6b8d97d5afddca40296f8012a41)
The team at the South Valley Water Reclamation Facility never stops looking for ways to enhance efficiency and performance.
![Tours and Activities Give Residents New Appreciation for Wastewater Treatment](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2FTPO0519-Hearts-and-Minds.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=44b9a99112a0c278e7a7b4123047512f)
The Illinois village of Carol Stream draws up to 300 visitors each year to an open house with treatment plant tours and activities for all ages.
![Thermal mass flowmeter resists corrosion in biogas environments](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fproduct_spotlight_fluid_components_international_st51a.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=4182136d410a3af53af0a9024a8c4734)
![Providing versatile control](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fproduct_spotlight_yaskawa_america_ga800.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=949c5a078d5ee439ca78f2a3fc00c8c0)
Research is steadily pushing the boundaries of performance and efficiency in wastewater treatment. But where are the real game-changers?
![There's a New Way to Measure BOD. It Doesn't Require Long Waits for Lab Results](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fsentry1.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=cedb35b9207f78d8166afded56aa9417)
Sentry technology uses bioelectrode sensors to give clean-water plant operators real-time insights to variable conditions in biological treatment processes.
The Water Research Foundation undertakes a wide range of projects, from design and engineering to social science, with direct relevance to plant operators.
![The Sun Is Part of the Art on This Public Sculpture in Davis, California](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Funveiling.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=db9d138c1b571385cdfa59a6655ff5e5)
The changing seasons have dramatic visual effects on an abstract work of public art on a 135-foot-diameter concrete water tank.
![No Grinding. No Manual Cleaning. Just Clean Pumps for a Michigan Community.](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2Fderagger3.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=fb25f982ae4214a38284ebc09a945aed)
A pump-control technology helps a Michigan city eliminate manual cleaning of pumps and save an estimated $3,600 per month.
![A California City Tries Different Approaches to Renewable Energy. Here Are the Two That Produced.](https://cole-tpomag.imgix.net/https%3A%2F%2Fwww.tpomag.com%2Fuploads%2Fimages%2FTPO0519-Sustainable-Operations-sonoma.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=75&ixlib=php-1.1.0&q=75&w=75&s=e58506db4e2a015d98bb10008cb3cfe7)
Sonoma Water has tried a variety of renewable and carbon-free energy sources. Solar energy and hydropower have proven successful.