Northwest Arkansas has been one of the faster growing regions of the United States in the early 2000s. Driven by the growth of the poultry industry as well as education and health professions, the city of Springdale has seen significant economic and population growth. There is also a thriving leisure and hospitality industry as recreation in the Ozarks continues to grow. The population is now estimated to be approximately 80,000 people compared to 46,000 in the 2000 census.
Springdale was originally founded as Shiloh in 1838. The first record of a public building is of a Baptist church built in 1840. In 1872, the town applied for a post office with the name Springdale. It started as primarily a farming community. In the early 1900s, the first poultry growing operations were developed and by the end of World War II, poultry had become the leading industry in the area. Tyson Foods was founded there and became the world's largest chicken processor.
The city's wastewater treatment plant treats all its wastewater as well as the bulk of the flows from two neighboring towns. The plant is rated for 25 MGD, but has seen peak flows of up to 58 MGD; even though it is not set up as a CSO facility, they get a great deal of infiltration during rain events.
In addition to the approximately 100,000 residents the plant serves, it gets flow from a lot of industrial customers including four poultry plants, a juice processor, an aluminum processor, a dog food facility and a baby wipes manufacturer. Industrial flows represent about 1/3 of the total dry weather flow.
The plant was initially designed with catenary screens. The operators had a lot of maintenance problems with the screens and decided to look for something to replace them. Visiting many different sites with a variety of screen configurations, they selected Headworks MS Bar Screens as the solution for their facility. Headworks worked with Springdale Water and Sewer Commission and their engineers to redesign the screening facility. The new headworks section of the plant comprises three channels – two running and one for bypass. Each channel is 6' deep and 5' wide. The screens are 16'’-8" tall. Headworks supplied three MS Bar Screens with 3/8" bar spacing for this plant, and they have been running since September 2013.
Shannon Bowen, Maintenance Supervisor, says, “I am still tickled to death by these screens. They hunt.” One of the challenges at the facility is that it also receives septage from twenty-seven pumping stations which are serviced by vacuum trucks. Many of these pull in grit, rags and debris that were a headache for the catenary screens. Loren Sharp, Wastewater Operations Supervisor, told us, “this debris which is dumped into our plant just ahead of the Headworks bar screens does not cause any issues to them at all. What's even better is they take about 90% of this debris out of the flow. I have a picture of the four-foot long, round fence post I saw on our conveyor that was handled by them.Amazing.”
At Headworks, we recognize the last place you want problems is at the front of the plant. We design our products to work without missing a beat no matter what hits them – even fence posts. If your team is considering upgrading the screens at your wastewater treatment facility, start by calling the market leader in the business. Our sales engineers at +1-713-647-6667 or HW@headworksintl.com and our local manufacturers' representatives have tackled some of the most challenging applications in the world and are sure to have a solution for you!