South Dakota
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.
“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.
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“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.
“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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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
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.
“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.
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While the electricity is expensive, the plastic is free.
“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.
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.
Connie Sieh Groop of Frederick is a veteran journalist and writer who has focused on all aspects of the agriculture industry during her career.
GRAND FORKS — UND senior guard Garrett Anderson had shot 1-for-7 from the field before he pulled up for a deep 3-pointer in overtime.
It was a make-or-break shot for the Fighting Hawks, who trailed South Dakota State by two points with 20 seconds remaining.
Anderson’s triple fell. On a Saturday afternoon at the Betty Engelstad Sioux Center where several Hawks provided clutch shots late, it was his 3-pointer that iced the victory.
Gabe and Reed Uelmen / Grand Forks Herald
“That was a huge three by Garrett,” UND head coach Paul Sather said. “Happy for him, because you feel it with him — when that floodgate opens a little bit of confidence, and not just as a scorer but just as a player, he keeps fighting for it, keeps working for it, keeps keeping the right mindset.”
UND won 90-87, earning its third-straight win over the Jackrabbits and improving to 2-0 (8-10 overall) in Summit League play.
South Dakota State, hot off the heels of a commanding New Year’s Day win over Omaha, fell to 1-1 in conference (8-9 overall).
“These two first league games, you need to protect your home court if you want any chance to be in play at the end of this year,” Sather said. “It’s a great way to start. But you also need to go on the road and win some games. And as I tell the guys, it’s not who, when or where, it’s how you show up to play. And having that mentality, it’s not home and road, it’s ‘Are you ready to go today?’”
The Hawks needed just about everyone to stave off SDSU.
Redshirt sophomore guard Zach Kraft and freshman guard Anthony Smith III led the way with double-digit point totals in a first half that was a high-scoring, fast-paced affair.
Gabe and Reed Uelmen / Grand Forks Herald
UND shot 64.3%, South Dakota State 55.6%. By halftime, the Hawks had a slight 50-45 lead.
The shooting cooled down in the second half and in overtime. In those final two frames, the Hawks turned to a variety of players, from the starting lineup to the bench, to keep up with the Jackrabbits.
“It’s hard to sustain that for 40 minutes, but we were able to kind of get ourselves back,” Sather said. “Our bench was fantastic in that first half. … We sustained it, we got back in, we stayed there within distance of it, and guys made plays. We had opportunities to make plays and close the game, but we had plays that were made to get us into overtime and win in overtime.”
Redshirt freshman Greyson Uelmen finished with a team-high 17 points and nailed the final two free throws in overtime to seal the win.
Gabe and Reed Uelmen / Grand Forks Herald
Kraft, who ended with 14 points, splashed a 3-pointer with 47 seconds left in regulation to take a 79-77 lead.
Junior forward George Natsvlishvili came off the bench and tied up the game just minutes earlier with a clutch second-chance layup. He also nabbed a key basket with 1 minute, 56 seconds left in overtime.
Before South Dakota State managed to rally back for its first lead of the second half, a free throw and a layup from Smith kept the Hawks’ offense on pace with the visitors. He finished with 16 points.
UND’s bench contributed 39 points.
Gabe and Reed Uelmen / Grand Forks Herald
“I felt like our bench won the game today,” Kraft said. “In the first half, (Smith) came into the game, knocked down that three at the end of the half, and then Wylee (Delorme) in the second half, five rebounds, scoring off the offensive rebounds, it’s huge for us.”
Delorme put together his best game as a Hawk in the win. The sophomore guard from Devils Lake constantly attacked the offensive glass, flexing some creativity with slick drives to the rim.
He earned a season-high 12 points.
Gabe and Reed Uelmen / Grand Forks Herald
“We’ve seen him more of a shooter (in practice), I haven’t really seen the behind-the-back, step-through and float,” Anderson said. “That was kind of new, that was a tough move. But he’s gotten to it in practice for sure.”
Kraft, Uelmen, Smith, Delorme and senior guard Eli King all finished with 12 or more points.
“We just relied on our guys that make those tough shots and are built for those moments,” Delorme said. “Seventh, eighth man off the bench — like Marley (Curtis), Marley can have a double-digit day too. All of us can go for 10 points, but it’s just a matter of making the easy plays and just using each other.”
UND will face its first road test of the conference slate this Thursday, when it travels to Omaha.
Gabe and Reed Uelmen / Grand Forks Herald
The South Dakota Lottery offers multiple draw games for those aiming to win big. Here’s a look at Jan. 3, 2026, results for each game:
Winning Powerball numbers from Jan. 3 drawing
18-21-40-53-60, Powerball: 23, Power Play: 3
Check Powerball payouts and previous drawings here.
Winning Lucky For Life numbers from Jan. 3 drawing
01-02-28-30-43, Lucky Ball: 07
Check Lucky For Life payouts and previous drawings here.
Winning Lotto America numbers from Jan. 3 drawing
03-04-05-25-42, Star Ball: 03, ASB: 02
Check Lotto America payouts and previous drawings here.
Winning Dakota Cash numbers from Jan. 3 drawing
07-13-17-28-30
Check Dakota Cash 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.
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.
The South Dakota Lottery offers multiple draw games for those aiming to win big. Here’s a look at Dec. 28, 2025, results for each game:
Winning Lucky For Life numbers from Dec. 28 drawing
12-17-25-34-42, Lucky Ball: 09
Check Lucky 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.
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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