Why Central Iowa Had No Choice: The Real Cost of Removing Nitrates from Our Drinking Water

There’s a moment happening right now in Central Iowa that should stop all of us in our tracks.

Not because it’s new.

But because it’s becoming impossible to ignore.

Central Iowa Water Works didn’t want to turn on the nitrate removal facility.

They had to.

The Reality in Our Rivers

Every spring and early summer, something predictable happens across the Des Moines Lobe.

Rain falls. Water moves. And with it, nitrogen.

From fertilizer.From manure.From the very practices that have defined modern agriculture for decades.

That nitrogen ends up in the Des Moines and Raccoon Rivers—the primary drinking water sources for nearly 600,000 Iowans.

And when nitrate levels climb too high, water utilities are left with a choice:

• Deliver unsafe water

• Or spend enormous resources to remove the contamination

There is no third option.

Turning On the Most Expensive Safety Net

Central Iowa Water Works operates one of the largest nitrate removal systems in the world.

But here’s the truth most people don’t realize:

It is not meant to run all the time.

It’s a last resort.

And when it runs, it costs—a lot.

• Up to $16,000 per day to operate

• Historically hundreds of thousands of dollars per year in operating costs

• Millions in long-term expenses, including maintenance and infrastructure

• Originally built for millions of dollars just to exist 

Let that sink in.

This isn’t a one-time fix.

This is a recurring bill—paid over and over again—just to make water drinkable.

The Hidden Cost: Energy

It’s not just money.

It’s energy.

Removing nitrates from water is not a simple filter.

It’s an intensive, multi-step biological and chemical process that requires:

• Pumping massive volumes of river water

• Running treatment vessels continuously

• Supporting microbial processes to strip nitrates out

• Managing waste streams from the treatment itself

All of that requires electricity.

All of that increases the carbon footprint of something that should be simple:

Clean drinking water.

The harder we have to work to clean the water, the more energy we burn to fix a problem that started upstream.

When Demand Meets Pollution

In 2025, nitrate levels got so high that Central Iowa Water Works did something unprecedented:

They asked people to stop watering their lawns.

Not because of drought.

Because of nitrates.

Water demand had to drop so the system could keep up with the added burden of nitrate removal.

Think about that.

We weren’t running out of water.

We were running out of clean water capacity.

Paying to Clean Up What We Didn’t Create

Here’s the part that should challenge all of us:

The people paying for nitrate removal aren’t the ones causing the pollution.

It’s ratepayers.

Families.

Communities.

In some cases, rural residents can pay hundreds to over $1,000 per year per person just to deal with nitrate contamination.

We’ve built a system where:

• Pollution happens upstream

• Costs are passed downstream

• And solutions are expected at the treatment plant

Why This Matters for the Lobe Rangers

This is exactly why the Lobe Rangers exist.

Because we know something different is possible.

We’ve seen it.

We’ve done it.

We are farmers who have:

• Used cover crops

• Practiced strip-till

• Applied nitrogen more efficiently

And still raised profitable, abundant crops.

The Iowa Nutrient Reduction Strategy says we need 60–80% adoption of these practices to move the needle.

But instead of scaling solutions in the field…

We’re scaling solutions at the water treatment plant.

The Bigger Question

What if we flipped that?

What if we invested upstream instead of downstream?

What if we reduced the need for a $16,000-a-day safety net?

What if clean water didn’t require emergency measures, lawn bans, and millions in ongoing costs?

This Is the Moment

The nitrate removal facility is doing its job.

It’s protecting public health.

But it’s also sending a message:

This system is under pressure.

And the longer we rely on treatment instead of prevention, the more expensive—and energy-intensive—that pressure becomes.

Join the Movement

We’re not here to point fingers.

We’re here to move forward.

If you believe in:

• Profitable farming

• Cleaner water

• Practical, proven solutions

Join us.

Follow along. Share the message. Be part of the change.

👉 www.theloberangers.com

Because the future of Iowa water shouldn’t depend on how long we can afford to clean it.

It should depend on how well we protect it.