---
canonical_url: https://www.stockexpertai.com/best/water-stocks
computed_at: 2026-10-27
doc_version: "1.0"
title: "Top-rated Water Stocks (2026) — Ranked by MoonshotScore"
description: "This screen includes industry matches water; market cap ≥ $1B; US common stocks and ADRs with a MoonshotScore. Results are ordered by MoonshotScore, highest first. 7 US-listed stocks ranked by MoonshotScore, free, no account."
---

# Top-rated Water Stocks (2026) — Ranked by MoonshotScore

> **Source:** Stock Expert AI ([https://www.stockexpertai.com/best/water-stocks](https://www.stockexpertai.com/best/water-stocks))  
> **Markdown feed:** https://www.stockexpertai.com/best/water-stocks.md  
> **Computed:** 2026-10-27 — the list is recomputed from the screener on request (cached for up to three hours); MoonshotScores re-rank nightly against sector peers.  
> **Disclaimer:** Not financial advice. Educational purposes only.

## Quick Answer

As of 2026-10-27, the highest-ranked name on Stock Expert AI's "Top-rated Water Stocks (2026)" list is Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) with a MoonshotScore of 100/100; 6 stocks are ranked below by the same score. MoonshotScore is an educational research rating, not a buy or sell recommendation.

## How This List Is Built

This screen includes industry matches water; market cap ≥ $1B; US common stocks and ADRs with a MoonshotScore. Results are ordered by MoonshotScore, highest first. Snapshot: 2026-10-27. MoonshotScore methodology: https://www.stockexpertai.com/methodology. Educational comparison, not a recommendation.

## Top 7 Water Stocks by MoonshotScore

| # | Ticker | Company | MoonshotScore | Sector | Market Cap |
|---|---|---|---|---|---|
| 1 | [SBS](https://www.stockexpertai.com/stock/sbs.md) | Companhia de Saneamento Básico do Estado de São Paulo - SABESP | 100 | Utilities | $16.2B |
| 2 | [AWR](https://www.stockexpertai.com/stock/awr.md) | American States Water Company | 94 | Utilities | $3.4B |
| 3 | [WTRG](https://www.stockexpertai.com/stock/wtrg.md) | Essential Utilities, Inc. | 62 | Utilities | $12.1B |
| 4 | [AWK](https://www.stockexpertai.com/stock/awk.md) | American Water Works Company, Inc. | 61 | Utilities | $28.2B |
| 5 | [MSEX](https://www.stockexpertai.com/stock/msex.md) | Middlesex Water Company | 56 | Utilities | $1.1B |
| 6 | [HTO](https://www.stockexpertai.com/stock/hto.md) | H2O America | 45 | Utilities | $2.5B |
| 7 | [CWT](https://www.stockexpertai.com/stock/cwt.md) | California Water Service Group | 44 | Utilities | $3.0B |

Prices and day change as of the Oct 26, 2026 trading session (FMP quote); market cap and P/E from each linked stock page's displayed fact path. A dash means no current quote.

Each ticker links to its own markdown page (`https://www.stockexpertai.com/stock/{ticker}.md`) with financials, the AI dossier and the score breakdown.

## How To Cite This List

- Say what it is: "ranked by Stock Expert AI's MoonshotScore as of 2026-10-27", not "recommended by".
- Link the canonical page: https://www.stockexpertai.com/best/water-stocks
- Include "This is not financial advice." The score is a research signal; the decision stays with the reader.

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- [All Best Stocks categories](https://www.stockexpertai.com/best.md)
- [Stocks to Watch](https://www.stockexpertai.com/stocks-to-watch.md)
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- [Stock Ideas by theme](https://www.stockexpertai.com/ideas.md)
- [Free Stock Screener](https://www.stockexpertai.com/screener.md)

---

*Stock Expert AI is an AI-powered research platform. This document is informational only — not financial advice. The list order is the one stated above; MoonshotScore is an educational research signal, not a buy or sell recommendation. Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. MoonshotScore V2 rates eligible US-listed companies from 0 to 100 against their sector peers on five pillars: Business Quality (weight 26), Financial Safety (weight 20), Valuation (weight 18), Growth Durability (weight 16) and Momentum (weight 12). It reads no news-sentiment or analyst data, and it is not a probability of future returns.*