CWT
UtilitiesCalifornia Water Service Group · Regulated Water · $3B
What is California Water Service Group?
California Water Service Group is one of the largest investor-owned water utilities in the United States, delivering regulated water and wastewater services across California, Washington, New Mexico, Hawaii, and Texas. The company serves roughly half a million customer connections across more than 100 communities.
California Water Service Group earns revenue primarily through regulated water delivery — producing, treating, storing, and distributing water for residential, industrial, irrigation, and fire-protection customers. Rate increases are approved by state regulators, providing a degree of revenue predictability. Beyond its core regulated business, the company also operates municipally owned water systems under contract, provides meter reading and billing services, leases antenna sites on its properties, and offers wastewater collection and treatment services.
Founded in 1926 and headquartered in San Jose, California, the company has operated as a regulated utility for nearly a century.
- Regulated water distribution across five states
- Wastewater collection and treatment services
- Contract operation of municipal water systems
- Meter reading, billing, and lab services
- Telecom antenna site leasing on utility properties
Is CWT a Good Stock to Buy?
UQS Score rates CWT as Below Average overall, reflecting meaningful headwinds across several key dimensions.
The Valuation pillar stands out as the relative bright spot, suggesting the stock is not obviously expensive relative to its fundamentals — a consideration for income-oriented investors watching regulated utilities. The Moat and Growth pillars both land at Neutral, indicating the company holds a defensible local franchise without a particularly compelling expansion story.
Both the Quality and Risk pillars register as Weak, pointing to concerns around financial returns and balance-sheet or operational vulnerabilities that are worth examining carefully before investing.
See the exact pillar breakdown and full financial metrics by signing up for a UQS Pro account. Sign up free →
Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.
Does CWT pay dividends?
Yes — California Water Service Group pays a dividend.
California Water Service Group pays a regular dividend, consistent with the income-oriented profile typical of regulated utilities. The company has maintained dividend payments over a long operating history, supported by the relatively predictable cash flows that come with rate-regulated water delivery. Investors focused on dividend income often look to utilities like CWT, though the sustainability of any payout depends on regulatory outcomes and capital spending cycles.
When does CWT report earnings?
California Water Service Group reports earnings on a quarterly cadence, consistent with standard practice for US-listed equities.
As a regulated utility, CWT's quarterly results are shaped largely by approved rate structures, weather-driven water demand, and capital investment activity. Periods of elevated infrastructure spending or unfavorable rate case outcomes can pressure near-term results, while successful rate filings tend to support earnings recovery.
For the most recent quarter's results and upcoming reporting dates, visit California Water Service Group's investor relations page directly.
CWT Price History
-10.1% over 5Y
Monthly close, adjusted for stock splits and dividend reinvestment.
What if I invested in California Water Service Group?
Based on California Water Service Group's historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.
CWT Long-term Outlook
With Growth and Moat both rated Neutral, CWT's fundamental trajectory looks steady rather than dynamic — characteristic of a mature regulated utility. The Weak Risk rating introduces uncertainty around capital structure and regulatory risk, which could weigh on the outlook if rate cases disappoint or infrastructure costs escalate. The relatively Good Valuation label suggests the market may already be pricing in a cautious scenario, leaving limited upside unless operational or regulatory conditions improve.
Growth drivers
- Regulatory rate case approvals supporting revenue recovery
- Infrastructure investment across a multi-state service territory
- Expansion of non-regulated services such as municipal contract operations
Key risks
- Adverse regulatory decisions limiting rate increases
- High capital expenditure requirements pressuring financial quality
- Water supply constraints and drought conditions in California
CWT vs Peers
California Water Service Group operates in a fragmented regulated water utility landscape alongside several peers worth comparing.
American States Water serves California and operates long-term military base utility contracts, giving it a distinct revenue stream not present in CWT's model.
H2O America focuses on water-related infrastructure with a different geographic and operational footprint compared to CWT's multi-state regulated utility structure.
Select Water Solutions operates primarily in the energy sector's water management space, making it a less direct but relevant comparison for investors evaluating water-industry exposure broadly.
Frequently Asked Questions
What does California Water Service Group do?
California Water Service Group provides regulated water and wastewater services to roughly half a million customer connections across California, Washington, New Mexico, Hawaii, and Texas. It also offers non-regulated services including contract operation of municipal water systems, meter reading, lab services, and telecom antenna site leasing.
Does CWT pay dividends?
Yes, California Water Service Group pays a regular dividend. As a regulated utility with relatively predictable rate-based revenues, the company has maintained dividend payments over a long history. Investors should review current payout details and coverage ratios — available in full on UQS Pro — before drawing conclusions about sustainability.
When does CWT report earnings?
CWT reports earnings on a quarterly cadence, as is standard for US-listed companies. Specific upcoming dates are not provided by our data source — check California Water Service Group's investor relations page for the current earnings calendar.
Is CWT a good stock to buy?
UQS Score rates CWT as Below Average overall. The Valuation pillar is the relative strength, while Quality and Risk both register as Weak. Whether CWT fits your portfolio depends on your income goals and risk tolerance. The full pillar breakdown is available to UQS Pro members.
Is CWT overvalued?
The UQS Valuation pillar for CWT is rated Good, suggesting the stock is not obviously overpriced relative to its fundamentals at the time of scoring. However, valuation for regulated utilities must be weighed against capital spending cycles and regulatory risk — factors reflected in other UQS pillars.
How does CWT compare to its competitors?
Among water utility peers, CWT's multi-state regulated footprint and non-regulated service lines distinguish it from more narrowly focused operators. American States Water adds military base contracts; Select Water Solutions targets energy-sector water management. See the competitor comparison section above and the full UQS breakdown for a deeper view.
What is CWT's market cap bracket?
California Water Service Group is classified as a mid-cap company. This places it among the larger investor-owned water utilities in the US, though well below the scale of diversified utility conglomerates.
Who founded California Water Service Group?
California Water Service Group was founded in 1926 and has grown over nearly a century into one of the largest investor-owned water utilities in the country. Detailed founding history is publicly available through the company's official corporate resources.
Is CWT a long-term quality investment?
From a long-term quality perspective, CWT's UQS profile raises caution — the Quality and Risk pillars are both rated Weak, which matters for investors focused on durable financial strength. The Neutral Moat suggests a defensible but not exceptional competitive position. Pro members can view the complete analysis to assess long-term fit.
What is the main competitive advantage of California Water Service Group?
CWT's primary advantage is its regulated utility status, which grants it exclusive service territories and a rate-setting process that provides a degree of revenue predictability. Geographic diversification across five states adds some resilience, though the UQS Moat pillar rates this advantage as Neutral rather than exceptional.
What sector does CWT belong to?
CWT belongs to the Utilities sector, specifically the water utility sub-industry. Regulated water utilities are generally considered defensive investments due to essential-service demand, though they carry regulatory and capital-intensity risks that vary by company.
Is CWT a growth stock or value stock?
Based on UQS pillar labels, CWT leans toward a value-oriented profile — the Valuation pillar is rated Good while Growth is Neutral, suggesting limited near-term expansion expectations. It is more characteristic of an income and stability play than a high-growth opportunity.
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Pro Analysis
CWT — Score History
| Date | UQS | Quality | Moat | Growth | Risk | Value | Change |
|---|---|---|---|---|---|---|---|
| May 23, 2026 | 46.9 | 35.1 | 56.0 | 50.5 | 18.3 | 75.4 | -0.1 |
| May 22, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 75.9 | 0.0 |
| May 21, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 75.8 | 0.0 |
| May 19, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 76.2 | -0.1 |
| May 16, 2026 | 47.1 | 35.1 | 56.0 | 50.5 | 18.3 | 76.5 | +0.1 |
| May 13, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 75.8 | 0.0 |
| May 12, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 76.2 | 0.0 |
| May 11, 2026 | 47.0 | 35.1 | 56.0 | 50.5 | 18.3 | 75.7 | -0.7 |
| May 10, 2026 | 47.7 | 38.1 | 56.0 | 50.5 | 18.3 | 75.7 | -0.3 |
| May 8, 2026 | 48.0 | 24.2 | 56.0 | 50.5 | 39.8 | 79.2 | -0.1 |
CWT — Pillar Breakdown
Quality
— 35.1/100 (25%)California Water Service Group has average quality metrics, with room for improvement in margins or capital efficiency.
How effectively capital is deployed to generate returns.
Profitability relative to shareholders' equity.
Ability to convert revenue into operating profit.
Bottom-line profit as a share of revenue.
Asset productivity — how much gross profit each dollar of assets generates.
Free cash flow relative to market value.
Growth
— 50.5/100 (20%)California Water Service Group shows steady but unspectacular growth, typical for mature companies.
Revenue trajectory over the last twelve months.
Compound annual revenue growth rate over 3 years.
Year-over-year earnings per share growth.
Analyst consensus for future revenue growth.
Analyst consensus for future earnings growth.
Risk
— 18.3/100 (15%)California Water Service Group presents elevated risk with concerns around leverage or financial stability.
Debt levels relative to earnings capacity.
Total debt relative to shareholder equity.
Short-term liquidity — ability to pay near-term obligations.
Earnings capacity relative to interest payments.
Valuation
— 74.6/100 (15%)California Water Service Group trades at a reasonable valuation with decent earnings yield and FCF multiples.
Inverse of forward P/E — higher yield means cheaper stock.
P/E relative to earnings growth — lower is more attractive.
Enterprise value multiple relative to sector median.
Moat
— 56/100 (25%)California Water Service Group has meaningful competitive advantages that should protect its market position. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for CWT.
Score Composition
Financial Data
More Stock Analysis
How is the CWT UQS Score Calculated?
The UQS (Unified Quality Score) for California Water Service Group is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.
Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.
Moat (25%) assesses California Water Service Group's competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.
Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.
Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.
Valuation (15%) measures whether California Water Service Group is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.
Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.