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South Dakota Company Recycles Plastic Into Fence Posts  | Aberdeen Insider

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South Dakota Company Recycles Plastic Into Fence Posts  | Aberdeen Insider


Many farmers are frustrated with all of the plastic that clutters their farmyards.

Tarps from silage piles, plastic containers, net wrap, totes and drums pile up. It is estimated that 12.5 million tons of agricultural plastic are used annually in the U.S.

A company near Lennox transforms the plastic generated on farms and from other sources into something that every farm needs — 4-inch and 6-inch fence posts. It’s a brilliant example of waste reimagined.

Billy Pollema, vice president of sales for ZahnTech, said the company transforms waste plastic into a product needed by the ag market.

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“We sell these posts nationwide, and some have gone to Florida and the Caribbean islands. In those places, they struggle with wood posts rotting due to the salt water and humidity, so this is a good fit for them,” Pollema said.

Bags and other types of plastic are recycled into fence posts by ZahnTech in Lennox. Courtesy photo.

MORE: New agricultural business program will start next fall at Northern State

“Currently, the company processes 30,000 pounds of plastic daily,” he said. “We take it in, shred it, melt it and turn it into something useful. Our goal is to triple what we can process.”

People are thinking more about being sustainable and many want to get to zero waste. The company wants to rebrand recycling and change the way the world views garbage.

ZahnTech is eager to keep plastic out of the landfill.

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“We encourage people to bring plastic to us from all over South Dakota. We are even getting some from Wyoming. Our company is partnering with farmers plus different industries. We take it all in as long as it is plastic. There are seven types of plastic in our formulation,” Pollema said.

Trucks constantly pull up to drop off their loads, he said.

“We take chemical jugs as long as they’ve been properly rinsed. We get thousands of barrels from ag companies during the summer and fall, plus plastic pallets,” Pollema said. “We’ve partnered with the city of Beresford to take their curbside pickup materials. Every two or three weeks, it comes to us in bales. They’ll dump it in our shed and we’ll take it from there. We do not accept liquids, glass, metal or hazardous chemicals.”

In addition to ag plastic, ZahnTech is getting semi loads of plastic waste from many industry partners, including Glanbia Nutritionals, which has locations all over the country. Recently, 10 semi-loads of Walmart bags were dropped off. That’s 500,000 pounds of bags waiting to be shredded.

The process uses a primary shredder and a secondary shredder, reducing the plastic to three-eighths inch. Then the material goes through the hot melt extruder and flows into molds for the 4-inch and 6-inch posts.

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MORE: Latest 2024 farm income forecast shows overall decrease from 2023

There’s strong demand for the posts.

“We price them to be competitive with the wood market as farmers don’t want to pay more than they have to. ZahnTech is one of the few companies using this process. In addition to the company in New Zealand, there is one in Canada and one in Pennsylvania,” Pollema said.

He was at the recent Dakota Farm Show in Vermillion showing people the pros of using the posts and explaining what the company does. The plastic posts can replace the green-treated posts or posts treated with creosote to prevent rot. Wood posts normally need to be replaced every 10 years or sooner. ZahnTech information said testing shows their posts will last 100 years.

Business sparked by frustration from lack of plastic scrap recycling options

A fence post made from recycled plastic by ZahnTech in Lennox. Courtesy photo.
A fence post made from recycled plastic by ZahnTech in Lennox. Courtesy photo.

The owner, Avery Zahn, started the process, and Pollema shared Zahn’s story.

Zahn has owned a pipeline business. His frustration stemmed from the lack of plastic scrap recycling options, forcing him to take the materials to the landfill. After he sold his business, Zahn noticed the railroad ties around his horse arena were rotting and needed to be replaced. Remembering the unrecyclable plastic, he searched for a way to make something usable from it, such as fence posts. He found that in New Zealand, a company developed a process to do that.

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“He bought his first extrusion machine from New York, brought it to South Dakota and started figuring out a way to melt the plastic and turn it into fence posts,” Pollema said “Avery tried different formulations and produced a composite to get the posts to the needed strength. After a year and a half of research and development, the company started making and selling products. That was a year and a half ago. It all started with Avery looking at the posts and deciding, ‘I’m going to come up with a better way.’”

The biggest cost for ZahnTech is electricity, with 3,000 amps of service coming into the production facility.

“It’s our major cost and it would be great if we could reduce that, maybe by using some solar power,” Pollema said.

MORE: Invenergy plans 250 megawatt wind farm in Frederick area

While the electricity is expensive, the plastic is free.

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“People are looking for places to get rid of their plastic,” he said. “We are diverting as much from the landfill as possible. It’s a great selling point for our posts as people can see we are doing something good for the environment. For years, people buried plastic, and it will take years to degrade. Many people get behind what we are doing.”

ZahnTech produces 300 plastic fence posts per day

The company produces 300 posts a day with six people in the production line who do the shredding, bundling, receiving material and fabrication. In all, there are 11 employees.

Avery Zahn founded and owns ZahnTech, a Lennox business that recycles plastic of all sorts into fence posts. Courtesy photo.
Avery Zahn founded and owns ZahnTech, a Lennox business that recycles plastic of all sorts into fence posts. Courtesy photo.

The goal is to handle 40,000 to 50,000 pounds of plastic a day with the two main lines. When ZahnTech adds another line, it will be able to handle 60,000 to 70,000 pounds a day.

Currently, ZahnTech is transforming 98% of waste into sustainable products,” Zahn said.

“We’re not far from achieving our goal — 100% waste conversion. The company wants to build a greener, cleaner world, one fence post at a time,” he said.

On its website, ZahnTech claims its posts are 10 times stronger and 20 times more durable than wood. They are flexible and can be post-driven, cut, drilled, nailed, screwed, bolted or stapled. The posts are fire-resistant, non-conductive, won’t split or rot and are impenetrable by water, frost and pests, per the website. They can also be pulled up and repositioned.

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Connie Sieh Groop of Frederick is a veteran journalist and writer who has focused on all aspects of the agriculture industry during her career.





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South Dakota

6 Most Relaxing South Dakota Towns

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6 Most Relaxing South Dakota Towns


South Dakota knows how to slow down. Hot Springs runs an 87-degree natural mineral pool that has drawn visitors since 1890. Spearfish anchors itself with a working fish hatchery dating back to 1896. Mitchell rebuilds its Corn Palace exterior every year out of actual corn. These are six of the state’s most relaxing small towns.

Aberdeen

Storybook Land Wizard of Oz display in Aberdeen, South Dakota. Editorial credit: Lost_in_the_Midwest / Shutterstock.com.

Aberdeen sits in the James River valley of northeastern South Dakota, known locally for being the closest thing the state has to an Oz theme park. Storybook Land, a free-admission public park on the north side of the city, is built around L. Frank Baum’s connection to the area. Baum lived and published in Aberdeen in the 1880s, and the park features a full Wizard of Oz land with a yellow brick road, the Emerald City, and Dorothy’s House. The same park complex includes a castle, fairy-tale attractions, and a small petting zoo.

Downtown, the Hagerty & Lloyd Historic District holds some of Aberdeen’s oldest homes and buildings, including the Margaret and Maurice Lamont House, a Tudor Revival. Richmond Lake Recreation Area, about 10 miles northwest of town, adds hiking, biking, and camping on a reservoir that is the local summer anchor.

Hot Springs

Mammoth Site at Hot Springs, South Dakota
Model of a mammoth on display at the Mammoth Site in Hot Springs, South Dakota. Image credit: Laima Swanson / Shutterstock.com.

Relaxation is built into Hot Springs. You can soak in the warm natural waters of the Evans Plunge Mineral Springs, which have drawn visitors for over a century. Established in 1890, the spring-fed waters naturally hold a year-round 87-degree temperature. In addition to the thermal springs at Evans Plunge, you have hot tubs, steam rooms, slides, and more.

Beyond the soak, the Mammoth Site is an active paleontological dig featuring remains of Ice Age giants. Consider booking a stay at the historic Red Rock River Resort Hotel & Spa, a sandstone building constructed in 1891. Family-owned and located downtown, the hotel offers quality care and a well-preserved interior. It’s within walking distance of Evans Plunge and other hot spring locations.

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Lead

Aerial view of Lead, South Dakota.
Aerial view of Lead, South Dakota.

A close neighbor to the busier Deadwood, Lead is a town every bit as historic and far more relaxing. It’s an old mining town at its core, with several modern amenities along its historic Main Street. The Black Hills Mining Museum showcases the area’s gold rush, while the Homestake Opera House, which hosts year-round tours, concerts, dances, and educational events, is a century-old building that once held a bowling alley, billiards hall, and more.

For families, the Sanford Lab Homestake Visitor Center takes a deep dive into the region’s history, its people, and the ongoing scientific research conducted in its underground laboratories. Lead is the right town for South Dakota’s Wild West history without the commercial trappings.

Spearfish

Spearfish, South Dakota.
Spearfish, South Dakota.

On the northern edge of the Black Hills, Spearfish sits at the mouth of Spearfish Canyon, a 19-mile limestone gorge cut by Spearfish Creek that drops several notable waterfalls along its length. The Spearfish Canyon Scenic Byway follows the canyon floor, past Bridal Veil Falls and Roughlock Falls, and provides one of the most reliably beautiful and uncrowded drives in the state. The D.C. Booth Historic National Fish Hatchery, established in 1896 and now run as a historic site, anchors the town’s history with restored buildings, raceway ponds full of visible trout, and the Von Bayer Museum of Fish Culture.

Downtown Spearfish has a walkable core along Main Street with local restaurants including Killian’s Food and Drink and Lucky’s 13 Pub. For shorter outings, Spearfish City Park features the hatchery at one end, a sculpture walk along the creek, and shaded picnic grounds. Combined with its easy access to Deadwood, Lead, and the rest of the northern Black Hills, Spearfish offers a strong base for anyone wanting to relax without giving up access to outdoor activities.

Custer

American bison statue in Custer, South Dakota
American bison statue in Custer, South Dakota. Image credit: Sandra Foyt / Shutterstock.com.

Custer is the gateway to Custer State Park, a 71,000-acre preserve in the southern Black Hills that holds one of the largest publicly owned bison herds in the country, roughly 1,300 head, along with elk, pronghorn, and mule deer. The Wildlife Loop Road runs 18 miles through open grassland and mixed pine, with frequent wildlife sightings. Jewel Cave National Monument, 15 miles west of town, has more than 215 mapped miles of passages, ranking it among the longest cave systems in the world.

Downtown Custer itself is compact, with Sage Creek Grille serving elk-stuffed mushrooms and other regional dishes; it has been a fixture on Mount Rushmore Road for two decades. The Crazy Horse Memorial, still under construction since 1948, sits 15 miles north on Highway 385. For outdoor activity, Custer is the closest town to both the 109-mile Mickelson rail-trail and the trailhead for Black Elk Peak, the highest point in South Dakota at 7,242 feet.

Mitchell

The famous Corn Palace of Mitchell, South Dakota
The Corn Palace of Mitchell, South Dakota. Image credit: Dennis MacDonald / Shutterstock.com.

Mitchell is home to the Corn Palace, a civic auditorium on Main Street whose exterior is redesigned every year out of actual corn, grain, and native grasses by a rotating group of local artists. The original structure dates to 1892, with the current building completed in 1921. New murals go up each summer. The building hosts high school basketball, concerts, and the annual Corn Palace Festival in late August. Admission is free year-round.

Woolworth’s Caramel Apples, next door, has been making the same recipe since the 1950s. The Dakota Discovery Museum a few blocks away covers regional history with a restored 1886 one-room schoolhouse, 1900 farmhouse, and 1909 Italianate home, plus a collection of Native American art and early 20th-century prairie paintings by Oscar Howe and Harvey Dunn.

Visit Relaxing South Dakota Today

These six towns split fairly cleanly between two South Dakotas: the prairie side, Aberdeen and Mitchell, and the Black Hills side, Hot Springs, Lead, Spearfish, and Custer. The prairie towns are anchored by one or two strong local institutions and a quieter pace. The Black Hills towns are anchored by the landscape itself. Either side rewards a weekend, and together they give you a fuller picture of the state than Mount Rushmore alone ever could.

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South Dakota teaching apprenticeship cohorts to expand

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South Dakota teaching apprenticeship cohorts to expand


The state Teacher Apprenticeship Pathway has both increased its cohort size and endowed about 50 new teachers. Advocates say in a state with a noted teacher shortage, it represents steps toward closing the gap for educators.

The pathway gives qualified and interested paraprofessionals the opportunity to advance their careers and become fully fledged teachers.

For Kathryn Blaha, state Department of Education Division of Accreditation director, it does make a difference in the lives of those involved, and the communities they serve.

“As I listen to people who have been accepted into the program and hear their stories, it’s an opportunity for them to make a difference at a different level in the classroom, but it’s also making a significant impact on the communities that they’re living in and the financial changes for their own personal children,” Blaha said.

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These cohorts are expanding to provide more opportunities on the back of support from the governor.

“We’ve had state support for additional funding for the program,” Blaha said. “It really is a program that allows individuals who otherwise may not have had an opportunity to seek a position as a teacher in a classroom to gain the experience and training to do so.”

As a result, Blaha said the new cohort will have over 70 positions. That’s the largest group since the inception of the program in 2023.

“It’s been a tremendous program,” Blaha said. “We have 118 that have graduated as of the spring and summer 2026 graduation ceremonies. We’re really to the impact and the differences those individuals will make.”

The program is run through Northern State University and takes an average of two years to complete.

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SD Lottery Mega Millions, Millionaire for Life winning numbers for May 12, 2026

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The South Dakota Lottery offers multiple draw games for those aiming to win big.

Here’s a look at May 12, 2026, results for each game:

Winning Mega Millions numbers from May 12 drawing

17-32-35-40-47, Mega Ball: 17

Check Mega Millions payouts and previous drawings here.

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Winning Millionaire for Life numbers from May 12 drawing

19-21-35-38-53, Bonus: 01

Check Millionaire for Life payouts and previous drawings here.

Feeling lucky? Explore the latest lottery news & results

Are you a winner? Here’s how to claim your prize

  • Prizes of $100 or less: Can be claimed at any South Dakota Lottery retailer.
  • Prizes of $101 or more: Must be claimed from the Lottery. By mail, send a claim form and a signed winning ticket to the Lottery at 711 E. Wells Avenue, Pierre, SD 57501.
  • Any jackpot-winning ticket for Dakota Cash or Lotto America, top prize-winning ticket for Lucky for Life, or for the second prizes for Powerball and Mega Millions must be presented in person at a Lottery office. A jackpot-winning Powerball or Mega Millions ticket must be presented in person at the Lottery office in Pierre.

When are the South Dakota Lottery drawings held?

  • Powerball: 9:59 p.m. CT on Monday, Wednesday, and Saturday.
  • Mega Millions: 10 p.m. CT on Tuesday and Friday.
  • Lucky for Life: 9:38 p.m. CT daily.
  • Lotto America: 9:15 p.m. CT on Monday, Wednesday and Saturday.
  • Dakota Cash: 9 p.m. CT on Wednesday and Saturday.
  • Millionaire for Life: 10:15 p.m. CT daily.

This results page was generated automatically using information from TinBu and a template written and reviewed by a South Dakota editor. You can send feedback using this form.



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