Our storySioux Falls water,
Sioux Falls water,
done right — since 1948
Located near beautiful downtown Falls Park, EcoWater Systems of Sioux Falls is a family-run water treatment company. Founded in 1948 as Lindsay Water Conditioning and family-owned since 1979 when Coy Burk became an EcoWater dealer, we treat every customer like family.
Trusted by thousands of Sioux Falls families

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Timeline
Seven decades of Sioux Falls water
From Lindsay Water Conditioning to today — same block, same family values.
- 1948Founded as Lindsay Water ConditioningServing Sioux Falls homes and businesses with water conditioning from day one.
- 1979The Burk family takes ownershipCoy Burk became an EcoWater dealer and made the business family-run — a tradition that continues today.
- 1988Rebranded to EcoWater SystemsLindsay Water Conditioning became EcoWater Systems of Sioux Falls, joining a national network of local dealers.
- 2013A proud tradition continuesAfter Coy's passing, his widow Judy Burk, the family, and our caring staff carry on his legacy.
- TodayYour Water. Perfected.Still family-owned, still headquartered near downtown Falls Park — solving every water need our neighbors have.
What we believe
Values that show up in every install
Family-first service
Many customers have been with us for 30, 40, even 50 years. That doesn't happen by accident.
Environmental responsibility
We recommend the smallest system that solves your problem — less salt, less water, less energy.
Do it right the first time
No shortcuts on install. No oversized systems to pad the invoice.
Local and accountable
You'll talk to the same team every time. We live here. We answer the phone.
Our promise
We service what we sell — and most of what we didn't.
- Free in-home water test
- Right-sized recommendations
- Local techs, live phones
- No high-pressure sales
