South Dakota

South Dakota Company Recycles Plastic Into Fence Posts | Aberdeen Insider

Published

11 months ago

January 20, 2025

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.

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.

“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.

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.

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.

MORE: Invenergy plans 250 megawatt wind farm in Frederick area

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.

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.

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

Fact brief: Does South Dakota require front license plates?

Published

5 hours ago

December 23, 2025

Press Room

Fact brief: Does South Dakota require front license plates?

(South Dakota News Watch) – Yes. South Dakota is one of almost 30 states that require front and back license plates on vehicles, though there are a couple of exceptions.

Vehicles that are used for “occasional transportation, public displays, parades and related pleasure hobby activities” can use a rear-only plate. The plates cost $25 in addition to the normal registration cost. To qualify, drivers must provide their odometer reading at the time of registration and not exceed 7,500 miles in a year.

Motorcycles are also only required to have one plate.

Why use rear-only plates? Many owners don’t like how front plates take away from the aesthetic of their vehicles. But dual plates are touted as a way to assist law enforcement with crime.

South Dakota offers more than a dozen different types of plates: construction, emblem, habitat conservation, Dignity sculpture, historical, amateur radio license, disabled person, firefighter, EMS, tribal, tribal veteran, veteran and several military plates.

Source

South Dakota Department of Revenue, Personalized and Specialty Plates

South Dakota Department of Revenue, License plate application

Lakota Times, South Dakota specialty plates available July 1

South Dakota laws, 32-5-98

Thompson Law Injury lawyers, Which states require front license plates?

South Dakota News Watch partners with Gigafact to publish fact briefs that refute or confirm a claim with supporting information and additional evidence and context.

Read previous fact briefs.
Read our verification standards and other best practices policies.
Submit a question for us to answer on the South Dakota News Watch Tipline.
Send questions or feedback to factbrief@sdnewswatch.org.

This story was produced by South Dakota News Watch, an independent, nonprofit organization. Read more stories and donate at sdnewswatch.org and sign up for an email to get stories when they’re published. Contact Michael Klinski at michael.klinski@sdnewswatch.org.

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South Dakota

SD Lottery Powerball, Lucky For Life winning numbers for Dec. 22, 2025

Published

17 hours ago

December 23, 2025

Press Room

The South Dakota Lottery offers multiple draw games for those aiming to win big. Here’s a look at Dec. 22, 2025, results for each game:

Winning Powerball numbers from Dec. 22 drawing

03-18-36-41-54, Powerball: 07, Power Play: 2

Check Powerball payouts and previous drawings here.

Winning Lucky For Life numbers from Dec. 22 drawing

09-16-23-34-46, Lucky Ball: 07

Check Lucky For Life payouts and previous drawings here.

Winning Lotto America numbers from Dec. 22 drawing

01-09-18-19-44, Star Ball: 02, ASB: 05

Check Lotto America 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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South Dakota

ICE in SD — from small towns to Operation: Prairie Thunder

Published

1 day ago

December 22, 2025

Press Room

ICE in SD — from small towns to Operation: Prairie Thunder

Molly Wetsch

Reporter / Report for America corps member
605-531-7382
molly.wetsch@sdnewswatch.org

Five months after Operation: Prairie Thunder officially began, the South Dakota Highway Patrol’s collaborative anti-crime and immigration enforcement effort will continue into the new year, the governor’s office has confirmed.

The program was originally announced by Gov. Larry Rhoden to take place from July 28 through December.

One portion of Operation: Prairie Thunder involves the state’s entrance into multiple 287(g) agreements with U.S. Immigration and Customs Enforcement that allow ICE to delegate some authority to state and local law enforcement agencies.

That happened as immigration enforcement operations ramped up after the inauguration of President Donald Trump, who nominated former South Dakota Gov. Kristi Noem as the Department of Homeland Security secretary.

Under Trump and Noem, more than 500,000 people have been deported from the country, according to Homeland Security, which has not released state-by-state deportation numbers.

ICE arrest data indicates focus on Hispanic, male individuals

In South Dakota, ICE and Homeland Security have been visible, especially in small towns in the eastern part of the state.

In July, ICE confirmed an active investigation at the Trail King Industries Inc. manufacturing plant in Mitchell, though no further information has been released about whether that investigation resulted in arrests, detainments or deportations.

In May, Manitou Equipment and Global Polymer Industries in Madison saw eight people arrested on immigration charges.

And in October, Drumgoon Dairy near Lake Norden confirmed that the company had been subjected to an immigration audit by Homeland Security, which is not the same as an immigration raid. But it resulted in the forced termination of 38 employees with citizenship information that was outdated, inaccurate or incomplete.

While nationwide ICE arrests and deportations have targeted a wide variety of individuals from multiple countries – including in neighboring Minnesota, where Somalian people have been the most recent target of ICE operations – South Dakota arrests have involved nearly all Hispanic people.

Most recent ICE arrestees in South Dakota are citizens of Mexico and Central America, with the majority coming from Mexico and Honduras, and 98% are male, according to government data obtained via a FOIA request from the Deportation Data Project and analyzed by South Dakota News Watch.

The project currently retains accurate state-based data from July 1 to Oct. 15. The data cannot accurately reflect any arrests prior to July 1 but can help to understand general arrest trends in South Dakota.

Hispanic people across the state have reported feeling less safe, said Ivan Romero, vice president of the South Dakota Hispanic Chamber of Commerce. The Latino Festival and Parade, which is hosted in Sioux Falls by the South Dakota Hispanic Chamber of Commerce, was canceled this year due to safety concerns, Romero told News Watch in October.

“That was unfortunate, but people just don’t feel comfortable coming to Sioux Falls at this point,” he said.

The vast majority of detainer requests from July 1 to Oct. 15 went to the Minnehaha County Jail in Sioux Falls, followed by the Pennington County Jail in Rapid City and the South Dakota State Penitentiary in Sioux Falls.

The Deportation Data Project defines detainer requests as “all requests to state, county, and municipal jails and prisons either for a person to be held on a detainer or for a notification of release date and time. A detainer is a request to a local jail to hold someone for 48 hours beyond when they otherwise would be released so that ICE can make an arrest in the jail while the individual remains detained.”

ICE said that detainer requests are most often lodged against an individual in an agency’s custody that poses a “public safety threat.” Other Homeland Security agencies can issue detainers, but most come from ICE, according to the agency’s website.

Operation: Prairie Thunder focuses on drug operations

To date, ICE has signed more than 1,200 287(g) agreements with agencies in 40 states, including five with various South Dakota agencies enabling parts of Operation: Prairie Thunder.

Those agreements take three different forms:

Task Force Agreement: The “force multiplier” program that allows law enforcement officers to adopt limited immigration enforcement duties, with ICE oversight. The South Dakota Highway Patrol signed this agreement on May 22 and the South Dakota Department of Criminal Investigations signed it on June 11.
Warrant Service Officer: Allows law enforcement officers to execute warrants on behalf of ICE on individuals in their agency’s jail. The South Dakota Department of Corrections signed this agreement on Aug. 28, the Minnehaha County Sheriff’s Office signed it on March 17 and the Hughes County Sheriff’s Office in Pierre signed it on March 7.
Jail Enforcement Model: Allows law enforcement officers to identify and process individuals who may be in violation of immigration laws while they are serving time in their agency’s jail. The DOC signed this agreement on July 25.

While Operation: Prairie Thunder’s immigration enforcement prong has been well-publicized in the state, the majority of the program’s activity comes from enhanced traffic monitoring and drug enforcement, according to data released from the governor’s office.

According to a press release from Operation: Prairie Thunder, 260 of 406 – 64% – of individuals currently in custody as a result of Operation: Prairie Thunder have a drug charge and 156 have been cited with a drug charge and released. More than 2,000 traffic citations have been issued.

The “ICE Contacts” section of Operation: Prairie Thunder’s most recent dataset said that 89 people had been contacted in ICE-related situations since the program was announced. A representative from the Department of Public Safety told News Watch in a statement: “The intent of (Operation: Prairie Thunder) is to reduce crime in our communities.

“It is important to note that any ICE contacts are incidental contacts – we aren’t seeking out illegal aliens during the saturation patrols. However, the 287(g) agreement allows us to coordinate swiftly with ICE if a stop uncovers undocumented individuals. Those undocumented, non-citizens, are the people counted as ‘Individuals Contacted.’ Not all of those found to be undocumented are taken into custody, per ICE guidance, therefore the ‘Contacts’ and ‘Arrests’ sections differ.”

The program, which initially concentrated most of its efforts in Sioux Falls and the surrounding area, has started other efforts across the state.

Operation: Prairie Thunder most recently carried out operations in Belle Fourche, Huron and Yankton, where 75 individuals were taken into custody, 42 with a drug charge. Twenty-seven people were identified as ICE contacts.

The city of Brookings issued a statement on Dec. 12 that the operation would be coming to town Dec. 17-19 and that the city “would not be participating.”

Josie Harms, Rhoden’s press secretary, said the ongoing arrest and citation statistics indicate successful crime-fighting efforts.

“Our results remain impressive, and it is clear that this operation is keeping South Dakota strong, safe, and free — so we are going to keep it up,” Harms said in a statement.

This story was produced by South Dakota News Watch, an independent, nonprofit organization. Read more stories and donate at sdnewswatch.org and sign up for an email for statewide stories. Investigative reporter Molly Wetsch is a Report for America corps member covering rural and Indigenous issues. Contact her at molly.wetsch@sdnewswatch.org.

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