Sectors & IndustriesIndustrialsPollution & Treatment Controls
Best Pollution & Treatment Control Stocks to Buy Now (2025)
Top pollution & treatment control stocks in 2025 ranked by overall Zen Rating. "A" Rated stocks have returned an average of +32.52% per year, and are the best pollution & treatment control stocks to buy now. Learn More.

Industry: Pollution & Treatment Con...
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Top Analysts Upside/Downside
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Top Analysts Consensus
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Top Analysts
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ZWS
ZURN ELKAY WATER SOLUTIONS CORP
$6.03B$35.47$38.759.25%Hold44.19%21.94%19.29%11.56%
ATMU
ATMUS FILTRATION TECHNOLOGIES INC
$3.35B$40.27$46.2514.85%Buy43.13%16.24%106.69%19.37%
TOMZ
TOMI ENVIRONMENTAL SOLUTIONS INC
$19.41M$0.97$3.50260.82%Buy158.43%N/A92.53%54.61%
FSS
FEDERAL SIGNAL CORP
$5.93B$97.10$100.002.99%Buy27.70%11.82%N/AN/A
FTEK
FUEL TECH INC
$28.41M$0.93N/AN/AN/AN/A14.93%N/A8.40%7.35%
ERII
ENERGY RECOVERY INC
$885.20M$15.29$20.6735.17%Strong Buy318.23%74.29%20.05%17.85%
ARQ
ARQ INC
$248.41M$5.91$9.0052.28%Strong Buy124.16%300.00%15.22%11.86%
CLWT
EURO TECH HOLDINGS CO LTD
$9.49M$1.23N/AN/AN/AN/AN/AN/AN/AN/A
VLTO
VERALTO CORP
$24.23B$97.99$116.0018.38%Buy54.68%9.48%57.33%17.89%
CECO
CECO ENVIRONMENTAL CORP
$848.94M$24.27$36.5050.39%Buy425.13%240.21%23.78%9.23%
CLIR
CLEARSIGN TECHNOLOGIES CORP
$50.23M$1.00$6.00500.00%Buy1160.58%N/A227.06%196.89%
CHNR
CHINA NATURAL RESOURCES INC
$5.62M$0.57N/AN/AN/AN/AN/AN/AN/AN/A
ZONE
CLEANCORE SOLUTIONS INC
$9.37M$1.12N/AN/AN/AN/AN/AN/AN/AN/A
ADUR
ADURO CLEAN TECHNOLOGIES INC
$156.96M$5.54N/AN/AN/AN/AN/AN/AN/AN/A
LIQT
LIQTECH INTERNATIONAL INC
$16.06M$1.70$4.60170.59%Strong Buy2N/AN/A-82.73%-32.90%
PCT
PURECYCLE TECHNOLOGIES INC
$1.62B$9.31$14.6757.54%Strong Buy3N/AN/AN/AN/A
SCWO
374WATER INC
$48.07M$0.36N/AN/AN/AN/AN/AN/AN/AN/A
DEVS
DEVVSTREAM CORP
$13.38M$0.47N/AN/AN/AN/AN/AN/AN/AN/A

Pollution & Treatment Control Stocks FAQ

What are the best pollution & treatment control stocks to buy right now in Feb 2025?

According to Zen Ratings, our proprietary rating system that evaluates 115 factors proven to drive growth in stocks and assigns each stock in our system an overall letter grade as well as 7 individual Component Grades for Value, Growth, Momentum, Sentiment, Safety, Financials, and proprietary AI algorithms, the 3 best pollution & treatment control stocks to buy right now are:

1. Zurn Elkay Water Solutions (NYSE:ZWS)


Zurn Elkay Water Solutions (NYSE:ZWS) is the #1 top pollution & treatment control stock out of 18 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Zurn Elkay Water Solutions (NYSE:ZWS) is: Value: C, Growth: B, Momentum: C, Sentiment: C, Safety: B, Financials: B, and AI: C.

Zurn Elkay Water Solutions (NYSE:ZWS) has a Due Diligence Score of 40, which is 8 points higher than the pollution & treatment control industry average of 32.

ZWS passed 15 out of 38 due diligence checks and has average fundamentals. Zurn Elkay Water Solutions has seen its stock return 11.89% over the past year, underperforming other pollution & treatment control stocks by -6 percentage points.

Zurn Elkay Water Solutions has an average 1 year price target of $38.75, an upside of 9.25% from Zurn Elkay Water Solutions's current stock price of $35.47.

Zurn Elkay Water Solutions stock has a consensus Hold recommendation according to Wall Street analysts. Of the 4 analysts covering Zurn Elkay Water Solutions, 0% have issued a Strong Buy rating, 25% have issued a Buy, 75% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

2. Atmus Filtration Technologies (NYSE:ATMU)


Atmus Filtration Technologies (NYSE:ATMU) is the #2 top pollution & treatment control stock out of 18 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Atmus Filtration Technologies (NYSE:ATMU) is: Value: C, Growth: C, Momentum: C, Sentiment: B, Safety: B, Financials: B, and AI: C.

Atmus Filtration Technologies (NYSE:ATMU) has a Due Diligence Score of 46, which is 14 points higher than the pollution & treatment control industry average of 32.

ATMU passed 15 out of 33 due diligence checks and has strong fundamentals. Atmus Filtration Technologies has seen its stock return 82.55% over the past year, overperforming other pollution & treatment control stocks by 65 percentage points.

Atmus Filtration Technologies has an average 1 year price target of $46.25, an upside of 14.85% from Atmus Filtration Technologies's current stock price of $40.27.

Atmus Filtration Technologies stock has a consensus Buy recommendation according to Wall Street analysts. Of the 4 analysts covering Atmus Filtration Technologies, 25% have issued a Strong Buy rating, 50% have issued a Buy, 25% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

3. Tomi Environmental Solutions (NASDAQ:TOMZ)


Tomi Environmental Solutions (NASDAQ:TOMZ) is the #3 top pollution & treatment control stock out of 18 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Tomi Environmental Solutions (NASDAQ:TOMZ) is: Value: C, Growth: A, Momentum: B, Sentiment: B, Safety: C, Financials: C, and AI: C.

Tomi Environmental Solutions (NASDAQ:TOMZ) has a Due Diligence Score of 37, which is 5 points higher than the pollution & treatment control industry average of 32.

TOMZ passed 12 out of 33 due diligence checks and has average fundamentals. Tomi Environmental Solutions has seen its stock return 17.01% over the past year, underperforming other pollution & treatment control stocks by -1 percentage points.

Tomi Environmental Solutions has an average 1 year price target of $3.50, an upside of 260.82% from Tomi Environmental Solutions's current stock price of $0.97.

Tomi Environmental Solutions stock has a consensus Buy recommendation according to Wall Street analysts. Of the 1 analyst covering Tomi Environmental Solutions, 0% have issued a Strong Buy rating, 100% have issued a Buy, 0% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

What are the pollution & treatment control stocks with highest dividends?

Out of 3 pollution & treatment control stocks that have issued dividends in the past year, the 3 pollution & treatment control stocks with the highest dividend yields are:

1. Euro Tech Holdings Co (NASDAQ:CLWT)


Euro Tech Holdings Co (NASDAQ:CLWT) has an annual dividend yield of 6.5%, which is 4 percentage points higher than the pollution & treatment control industry average of 2.57%.

Euro Tech Holdings Co's dividend payout ratio of 28.6% indicates that its high dividend yield is sustainable for the long-term.

2. Zurn Elkay Water Solutions (NYSE:ZWS)


Zurn Elkay Water Solutions (NYSE:ZWS) has an annual dividend yield of 0.7%, which is -2 percentage points lower than the pollution & treatment control industry average of 2.57%. Zurn Elkay Water Solutions's dividend payout is not stable, having dropped more than 10% one times in the last 10 years. Zurn Elkay Water Solutions's dividend has shown consistent growth over the last 10 years.

Zurn Elkay Water Solutions's dividend payout ratio of 35.5% indicates that its dividend yield is sustainable for the long-term.

3. Federal Signal (NYSE:FSS)


Federal Signal (NYSE:FSS) has an annual dividend yield of 0.49%, which is -2 percentage points lower than the pollution & treatment control industry average of 2.57%. Federal Signal's dividend payout is stable, having never dropped by more than 10% in the last 10 years. Federal Signal's dividend has shown consistent growth over the last 10 years.

Federal Signal's dividend payout ratio of 13.2% indicates that its dividend yield is sustainable for the long-term.

Why are pollution & treatment control stocks down?

Pollution & treatment control stocks were down -0.73% in the last day, and down -2.24% over the last week.

We couldn't find a catalyst for why pollution & treatment control stocks are down.

What are the most undervalued pollution & treatment control stocks?

Based on the Valuation rating, one of the 7 components of a stocks overall Zen Ratings grade, which evaluates factors including estimated earnings yield, earnings before interest and taxes/enterprise value, cash flow yield, free cash flow to price, and price-to-earnings growth (PEG ratio), the 3 most undervalued pollution & treatment control stocks right now are:

1. Euro Tech Holdings Co (NASDAQ:CLWT)


Euro Tech Holdings Co (NASDAQ:CLWT) is the most undervalued pollution & treatment control stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Euro Tech Holdings Co has a valuation score of 57, which is 36 points higher than the pollution & treatment control industry average of 21. It passed 4 out of 7 valuation due diligence checks.

Euro Tech Holdings Co's stock has dropped -22.15% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -40 percentage points.

2. Atmus Filtration Technologies (NYSE:ATMU)


Atmus Filtration Technologies (NYSE:ATMU) is the second most undervalued pollution & treatment control stock based on its Valuation Rating of C. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Atmus Filtration Technologies has a valuation score of 29, which is 8 points higher than the pollution & treatment control industry average of 21. It passed 2 out of 7 valuation due diligence checks.

Atmus Filtration Technologies's stock has gained 82.55% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 65 percentage points.

3. Energy Recovery (NASDAQ:ERII)


Energy Recovery (NASDAQ:ERII) is the third most undervalued pollution & treatment control stock based on its Valuation Rating of C. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Energy Recovery has a valuation score of 29, which is 8 points higher than the pollution & treatment control industry average of 21. It passed 2 out of 7 valuation due diligence checks.

Energy Recovery's stock has dropped -3.23% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -21 percentage points.

Are pollution & treatment control stocks a good buy now?

54.55% of pollution & treatment control stocks rated by analysts are a buy right now. On average, analysts expect pollution & treatment control stocks to rise by 20.24% over the next year.

0% of pollution & treatment control stocks have a Zen Rating of A (Strong Buy), 25% of pollution & treatment control stocks are rated B (Buy), 56.25% are rated C (Hold), 6.25% are rated D (Sell), and 12.5% are rated F (Strong Sell).

What is the average p/e ratio of the pollution & treatment controls industry?

The average P/E ratio of the pollution & treatment controls industry is 30.28x.
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