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South Hardin Veterinary Clinic

Our mission, at South Hardin Veterinary Clinic, is to provide exceptional veterinary care with every visit in a friendly and relaxed environment with focus on internal and preventative medicine, accurate diagnostics, and compassionate care for your pets and livestock. We strive to exceed our client’s expectations by treating all animals as if they were our own.


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Providing veterinary care to Union and surrounding areas!



  • Wellness and Preventative Medicine
  • Vaccinations and Microchipping
  • Routine Surgical Procedures
  • Dentistry
  • Ultrasonography
  • Digital Radiographs
  • Internal Medicine
  • Humane Euthanasia and Cremation Services
  • Emergency Services for Established Clients


  • Herd Health and Reproductive Services
  • Vaccinations and Deworming Protocols
  • Internal Medicine
  • Equine Dentistry
  • Interstate Health Certificates and Coggins
  • Emergency Services for Established Clients
Our Team
Dr. Casey Balvanz

Dr. Casey Balvanz

DVM, Owner

Dr. Casey graduated from lowa State University in 2009 with a Bachelors in Animal Science and then graduated from lowa State College of Veterinary Medicine in 2013. Read more...
Her favorite part of veterinary medicine is getting to know her clients and their pets and making them a part of her family. She also enjoys  preventative mixed animal medicine as well as educating her clients on how best to care for their pets, horses and livestock. In her spare time, she spends time with her family and friends as well as helping with the family cattle operation. She also enjoys fishing with her husband, quilting, riding horses and running.

Dr. Casey shares her life with many pets, including  Molly, the clinic cat. You may see her as a door greeter from time to time at the office. Then there is Tonto, a handsome tuxedo who was a bottle kitten from the barn and will also visit the clinic from time to time. Also, there is Woodrow, her corgi, and Keaton, her calico that went through veterinary school with her as well, Uno, her one eyed house cat, Chewy, a beautiful fluffy Siamese rescue and Zesta her crazy white lab.

Dr. Casey also has 10 horses, 25 commercial breeding ewes, and several chickens, geese, and ducks. She also helps with the family cow/calf operation.

Carol Balvanz

Carol Balvanz

Part time Receptionist and Accounts Payable Clerk

Carol graduated from Iowa State University with a degree in English and Speech communications in 1973. Read More...
She taught and coached for 14 years, and then was hired as communications director for the Iowa Cattlemen’s Association in 1987. In 2005 she became the Public Policy Director for the Iowa Soybean Association. She retired from employment in 2018 and now helps out at South Hardin Veterinary Clinic.

Her favorite part of veterinary medicine is being able to help her family members. She and her husband have always raised cattle, horses and various pets, so she been involved in animal health and production. This job has given her the opportunity to learn more about the technical side of animal care and treatment.

In her spare time, Carol enjoys spending time with her grandsons on the farm, and attending their sporting events. She loves tending her flower beds and yard in the summer, and working with the livestock year round, as well as sewing, knitting and quilting.

She has three house cats: Ernie, Skippy and Lolo. Ernie is the rescue cat with an attitude. Skippy is a pretty blue-eyed Himalayan, and Lolo is a long-haired dark tiger. Tonto, a tuxedo kitten Casey bottle fed two springs ago also lives with them and torments the resident cats. They have two border collies, Hank and Dale, who help with the livestock, and they frequently take care of Casey’s dogs, Woody (corgi) and Zesta (white lab.) Their menagerie also includes 80 crossbred cows, 3-4 horses and many outside cats.

Why Choose Us?

Our veterinary team has been caring for the pets of Union for many years. We understand how much your pets mean to you, and treat them as if they were our very own.

South Hardin Veterinary Clinic has been supporting Hardin County 4-H and helping to share the vision of hard work and responsibility to the animals in our lives.

Keep your pets and herd Healthy
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Our Hours:

Sunday: Closed

Monday: 8am-5pm

Tuesday: 8am-5pm

Wednesday: 8am-5pm

Thursday: 8am-5pm

Friday: 8am-5pm

Saturday: Closed

Book an appointment by calling:

(641) 486-5485