AWK vs MWA: How American Water Works and Mueller Water Products Compare (2026)

Same yardstick, side by side (as of July 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: MWA is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. AWK and MWA share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined AWK and MWA exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

American Water Works is the largest publicly traded, regulated water and wastewater utility in the United States, serving roughly 14 million people through regulated operations in 14 states plus 18 military installations. Its business model is classic rate-base utility economics: the company invests heavily in pipes, treatment plants, and water systems, then earns an allowed regulated return on that invested capital once state utility commissions approve rate cases. Growth comes from two levers, ongoing infrastructure spending and acquisitions of small municipal and investor-owned water systems that fold into its existing footprint.

Full AWK guide

Mueller Water Products makes the equipment that moves and measures drinking water across North America. Its two segments are Water Flow Solutions (iron gate valves, specialty valves, fire hydrants and service brass sold under the Mueller and U.S. Pipe Valve & Hydrant brands) and Water Management Solutions (water metering, leak detection, pipe-condition assessment and pressure management under brands like Mueller Systems, Echologics and Hersey). Most of its revenue comes from municipal water utilities replacing aging infrastructure, plus residential construction, which makes the business relatively defensive but tied to public budgets and housing cycles. The company generates around $1.45 billion in annual revenue.

Full MWA guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• AWK drivers: Rate-base growth and capital investment; Acquisitions of municipal and small water systems.
• MWA drivers: Resilient municipal repair and replacement demand; Pricing and margin expansion.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The biggest risk is regulatory: earnings depend on state utility commissions approving rate cases at constructive returns, and regulatory lag (the gap between when capital is spent and when rates are allowed to recover it) can pressure results. For MWA, the stock trades at a premium valuation (roughly 19 to 22 times earnings) against single-digit revenue growth, so the market already prices in continued execution and any stumble could compress the multiple.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick AWK if you believe its drivers more; MWA if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the AWK and MWA guides.

AWK. AWK typically trades at a premium P/E to the broader market, reflecting its regulated, low-volatility earnings and long runway of rate-base growth. In the first quarter of 2026 revenue rose year over year to about $1.21 billion while adjusted EPS was roughly $1.01 (versus about $1.02 a year earlier), and management reaffirmed full-year 2026 EPS guidance of about $6.02 to $6.12. The dividend yields roughly 2.5-2.8%, modest in absolute terms but growing near the top of the utility peer group.

MWA. Mueller posted record Q2 fiscal 2026 results (quarter ended March 2026) with net sales up about 5.5 percent to ~$384 million and adjusted EPS of ~$0.40, and it raised full-year guidance on strong pricing and efficiency. The stock trades near $25 with a market cap around $3.9 billion, a premium multiple that reflects its steady margins and defensive municipal exposure. Analysts on average carry price targets above the current price, though several ratings are neutral given the valuation.

Headline figures (approximate, JULY 2026): AWK shows market cap ~$26 billion, share price ~$135, q1 2026 revenue ~$1.21 billion, q1 2026 adjusted eps ~$1.01; MWA shows revenue (ttm) ~$1.45B, fy2026 sales guidance ~$1.47B to $1.49B, fy2026 adj. ebitda guidance ~$360M to $365M, market cap ~$3.9B.

AWK and MWA are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined AWK and MWA exposure against your real portfolio. It is not an investment adviser.