American Water Works (AWK)
Published 2026-03-17 • by compoundingdividends
Thesis Summary
American Water Works is the largest private water and wastewater utility in the US, benefiting from exclusive territories, scale, and an investment flywheel. It has a track record of dividend growth and faces tailwinds like infrastructure upgrades, climate change, and clean water standards.
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Detailed Deep Dive
American Water Works is the largest private water and wastewater utility in the United States.
Its business is simple: it owns the treatment plants and the pipes that bring water to your house and take wastewater away.
Because it’s a utility, the government gives it exclusive rights to serve certain areas, and in exchange, the government decides how much the company is allowed to charge.
That means if you want water in one of their service areas, you have to buy it from American Water Works. There is no competitor.
Their moat comes down to three things:
1. Exclusive Territories. The government legally prevents anyone else from laying pipes in AWK’s service areas.
2. Scale. American Water is the only player with the size to buy 23 systems in a single year (as they did in 2025) and manage them efficiently across 14 states.
3. Investment Flywheel. The government actually encourages the company to spend money. The more AWK spends on fixing old, leaky pipes, the more profit they are legally allowed to earn. This makes their growth very predictable compared to a normal company.
It has increased its dividend every year since 2008 and has a 5-year growth rate of 8.6% per year.
American Water Works management expect to grow EPS at 7-9% per year in the long run.
It’s a very attractive market to be in - think about the tailwinds:
* Acquisition Opportunities: There are 48,000 separate water systems in the U.S. Most are small and breaking down. AWK is the buyer of choice for cities that can’t afford to fix their own pipes.
* Climate Change: As weather becomes more extreme (droughts and floods), the need for professional, large-scale water management increases.
* Clean Water Standards: New laws regarding “forever chemicals” (PFAS) mean every water system in the country needs an upgrade. AWK is better positioned to pay for these upgrades than a small town is.
* Essentiality: You can skip a lot of things, but you can’t skip your water bill. This makes the market one of the most stable in the world.