High-Yield Tax-Free Bonds: Top Picks For 2025

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Jul 10, 2025

Want a safe investment with yields near 10-year highs? Tax-free water revenue bonds are a hidden gem in 2025, but are you missing out on this opportunity?

Financial market analysis from 10/07/2025. Market conditions may have changed since publication.

Have you ever wondered how to lock in a steady income stream without handing over half your gains to taxes? I’ve spent years digging into investments that balance safety and returns, and lately, one option keeps catching my eye: tax-free municipal bonds. Specifically, water revenue bonds are stealing the spotlight in 2025, offering yields that rival some of the best opportunities in the past decade. It’s not every day you find a low-risk investment that feels like hitting the jackpot, so let’s dive into why these bonds are worth your attention.

Why Water Revenue Bonds Are a Game-Changer

The world of fixed-income investing can feel like navigating a maze, but water revenue bonds stand out as a clear path to high yields with minimal risk. These bonds, often issued by local governments or utility authorities, fund critical water infrastructure projects like treatment plants and pipelines. What makes them special? They’re backed by the revenue from essential services—think water and sewer bills—making them incredibly stable. Plus, the tax-free status is a cherry on top for investors in high tax brackets.

A Perfect Storm for High Yields

The municipal bond market hasn’t had the smoothest ride in 2025. In fact, it’s been one of the weaker performers among fixed-income assets this year. But here’s the silver lining: that dip has pushed yields to levels we haven’t seen in nearly a decade. For example, a typical AA-rated water revenue bond might offer a tax-free yield of around 4.5%. For someone in the top tax bracket, that’s equivalent to a taxable yield of nearly 10%. I mean, when else do you get equity-like returns from something as safe as a muni bond?

Water revenue bonds offer a rare chance to capture high yields with the stability of an essential service monopoly.

– Municipal bond strategist

These bonds are often rated AA or higher, reflecting their low default risk. Historically, water and sewer bonds have some of the lowest default rates in the municipal space. Why? Because people always pay their water bills, even in tough economic times. It’s not like you can opt out of running water.

Why Water Infrastructure Is a Hot Topic

Let’s talk about why water revenue bonds are poised for growth. The United States is facing a massive infrastructure crisis. Aging water systems are breaking down, leading to everything from water main breaks to contamination risks. According to environmental experts, the country needs a staggering $1.2 trillion over the next 20 years to fix these issues. That’s not pocket change, and it’s driving a surge in bond issuance.

Then there’s the issue of PFAS, or “forever chemicals,” which have been found in drinking water across the U.S. These chemicals, linked to products like nonstick cookware, don’t break down easily and pose health risks. Cleaning them up is expensive—estimates range from $40 billion to $90 billion. Utilities are under pressure to comply with new regulations, which means more bond issuance to fund remediation projects.

  • Aging infrastructure: Decades-old pipes and plants need urgent upgrades.
  • PFAS remediation: New rules require utilities to filter out harmful chemicals.
  • Water scarcity: Regions like the Southwest need innovative solutions like desalination.

I find it fascinating how these challenges are creating opportunities for investors. It’s like the market is handing you a chance to profit while supporting projects that make a real difference.


The Safety of Essential Service Monopolies

One of the things I love about water revenue bonds is their resilience. These bonds are tied to utilities that operate as essential service monopolies. In other words, they’re the only game in town for water and sewer services. This setup makes them largely immune to economic ups and downs. Tariffs? Slowdowns? Doesn’t matter. People still need water, and utilities keep collecting revenue.

Compare that to corporate bonds, which can tank if a company hits a rough patch. Or even general obligation bonds, which rely on a city’s tax base. Water revenue bonds are in a league of their own when it comes to stability. It’s no wonder experts call them one of the safest corners of the muni market.

How to Pick the Right Bonds

Not all water revenue bonds are created equal, so it pays to be selective. When I look at these investments, I focus on a few key factors. First, I check the issuer’s financial liquidity—how much cash do they have on hand? Next, I look at their debt levels. A utility with too much debt might struggle to maintain its credit rating. I also consider service affordability—how do water rates stack up against the local population’s income?

Another big one is future capital plans. For example, is the issuer facing costly PFAS remediation? If so, they might need to take on more debt, which could stress their finances. But for investors who do their homework, the rewards are there. A well-chosen bond can deliver steady, tax-free income for years.

FactorWhy It Matters
Financial LiquidityEnsures the issuer can cover short-term obligations.
Debt LevelsHigh debt can strain credit ratings.
Service AffordabilityHigh rates in low-income areas can lead to payment issues.
Capital PlansFuture projects like PFAS remediation can impact finances.

Real-World Examples of Opportunity

Let’s get concrete for a moment. Some of the most exciting opportunities are in regions facing unique water challenges. Take the Southwest, where drought is a constant concern. Utilities there are investing in projects like water recycling and desalination. For instance, a major water district in Southern California is planning a multi-billion-dollar recycling plant. They’ve already raised over a billion in funds and plan to issue bonds to cover the rest.

These projects aren’t just good for the environment—they’re great for bond investors. The bonds issued to fund them often come with attractive yields and strong credit ratings. It’s a win-win: you get a solid return, and you’re supporting critical infrastructure.

Mutual Funds: An Easier Way to Play

If picking individual bonds sounds daunting, don’t worry—there’s an easier way. Mutual funds that specialize in municipal bonds can give you exposure to water revenue bonds without the legwork. For example, some funds hold bonds from issuers like major water authorities in the Midwest or coastal cities. These funds typically offer yields in the 3-4% range, with low expense ratios to keep costs down.

I’ve always found mutual funds to be a great option for investors who want diversification without sacrificing returns. Plus, you get professional management, which can be a lifesaver in a complex market like munis.

For investors seeking safety and yield, municipal bond funds are a smart way to tap into the water revenue opportunity.

– Investment advisor

What’s Next for Water Revenue Bonds?

Looking ahead, the outlook for water revenue bonds is bright. The infrastructure crisis isn’t going away, and neither is the need for clean water. As utilities ramp up spending to meet regulatory and environmental challenges, bond issuance is likely to stay strong. That means more opportunities for investors to lock in high yields.

But here’s a word of caution: don’t just chase yields blindly. Do your research, or work with an advisor who knows the muni market inside out. The best opportunities go to those who understand the risks and rewards.


At the end of the day, water revenue bonds are a rare find in today’s market. They offer the kind of yields that make you sit up and take notice, wrapped in the safety of an essential service. Whether you’re a seasoned investor or just looking to diversify, these bonds deserve a spot on your radar. So, what’s stopping you from diving into this tax-free opportunity?

A bull market will bail you out of all your mistakes. Except one: being out of it.
— Spencer Jakab
Author

Steven Soarez passionately shares his financial expertise to help everyone better understand and master investing. Contact us for collaboration opportunities or sponsored article inquiries.

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