Sectors & Industries IndustrialsPollution & 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...

Overview Zen Rating Price Value Growth Financials Momentum Sentiment Forecast

Pollution & Treatment Controls is Zen Rated B and is the 56th ranked industry out of 145 stock market industries

Ticker	Company	Market Cap	Price	Price Target	Upside/Downside	Consensus	Analysts	Fore. Revenue Growth	Fore. Earnings Growth	Forecast ROE	Forecast ROA
ZWS	ZURN ELKAY WATER SOLUTIONS CORP	$7.46B	$44.55	$41.00	-7.97%	Buy	3	4.47%	19.43%	20.56%	12.12%
FSS	FEDERAL SIGNAL CORP	$7.67B	$126.15	$123.00	-2.50%	Buy	4	7.05%	11.27%	N/A	N/A
CECO	CECO ENVIRONMENTAL CORP	$1.56B	$44.02	$49.50	12.45%	Buy	2	17.54%	-23.67%	19.77%	6.73%
VLTO	VERALTO CORP	$26.69B	$107.54	$110.00	2.29%	Buy	4	4.38%	7.18%	44.62%	16.51%
ATMU	ATMUS FILTRATION TECHNOLOGIES INC	$3.19B	$38.64	$41.00	6.11%	Buy	4	1.92%	12.46%	81.32%	17.57%
ERII	ENERGY RECOVERY INC	$779.36M	$14.65	$14.00	-4.44%	Hold	1	5.05%	45.24%	19.53%	17.04%
FTEK	FUEL TECH INC	$94.78M	$3.05	$4.00	31.15%	Buy	1	16.32%	N/A	6.11%	5.29%
ARQ	ARQ INC	$261.29M	$6.19	$10.00	61.55%	Strong Buy	1	18.42%	N/A	20.31%	15.62%
ZONE	CLEANCORE SOLUTIONS INC	$32.48M	$3.83	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
PCT	PURECYCLE TECHNOLOGIES INC	$2.22B	$12.35	$16.00	29.55%	Strong Buy	1	434.23%	N/A	N/A	N/A
ADUR	ADURO CLEAN TECHNOLOGIES INC	$337.95M	$11.69	$48.00	310.61%	Strong Buy	1	N/A	N/A	N/A	N/A
SCWO	374WATER INC	$37.62M	$0.26	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
TOMZ	TOMI ENVIRONMENTAL SOLUTIONS INC	$20.52M	$1.03	$3.50	241.46%	Buy	1	46.09%	N/A	98.95%	38.19%
CLIR	CLEARSIGN TECHNOLOGIES CORP	$29.46M	$0.56	$2.00	255.87%	Buy	1	77.88%	N/A	8.71%	7.21%
LIQT	LIQTECH INTERNATIONAL INC	$19.80M	$2.06	$3.60	74.76%	Buy	1	30.78%	N/A	-31.28%	-14.46%
CLWT	EURO TECH HOLDINGS CO LTD	$9.44M	$1.22	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
CHNR	CHINA NATURAL RESOURCES INC	$3.55M	$3.39	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
DEVS	DEVVSTREAM CORP	$9.10M	$0.27	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

Pollution & Treatment Control Stocks FAQ

What are the best pollution & treatment control stocks to buy right now in Aug 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: B, Safety: B, Financials: B, and AI: B.

Zurn Elkay Water Solutions (NYSE:ZWS) has a Due Diligence Score of 42, which is 13 points higher than the pollution & treatment control industry average of 29.

ZWS passed 16 out of 38 due diligence checks and has strong fundamentals. Zurn Elkay Water Solutions has seen its stock return 49.45% over the past year, overperforming other pollution & treatment control stocks by 27 percentage points.

Zurn Elkay Water Solutions has an average 1 year price target of $41.00, a downside of -7.97% from Zurn Elkay Water Solutions's current stock price of $44.55.

Zurn Elkay Water Solutions stock has a consensus Buy recommendation according to Wall Street analysts. Of the 3 analysts covering Zurn Elkay Water Solutions, 33.33% have issued a Strong Buy rating, 0% have issued a Buy, 66.67% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

2. Federal Signal (NYSE:FSS)

Federal Signal (NYSE:FSS) 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 Federal Signal (NYSE:FSS) is: Value: C, Growth: B, Momentum: B, Sentiment: C, Safety: B, Financials: A, and AI: B.

Federal Signal (NYSE:FSS) has a Due Diligence Score of 41, which is 12 points higher than the pollution & treatment control industry average of 29.

FSS passed 15 out of 38 due diligence checks and has strong fundamentals. Federal Signal has seen its stock return 38.72% over the past year, overperforming other pollution & treatment control stocks by 17 percentage points.

Federal Signal has an average 1 year price target of $123.00, a downside of -2.5% from Federal Signal's current stock price of $126.15.

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

3. Ceco Environmental (NASDAQ:CECO)

Ceco Environmental (NASDAQ:CECO) is the #3 top pollution & treatment control stock out of 18 with a Zen Rating of C. Stocks with a rating of C have had an average return of +7.53% per year. Learn more.

The Component Grade breakdown for Ceco Environmental (NASDAQ:CECO) is: Value: D, Growth: B, Momentum: C, Sentiment: B, Safety: C, Financials: C, and AI: B.

Ceco Environmental (NASDAQ:CECO) has a Due Diligence Score of 34, which is 5 points higher than the pollution & treatment control industry average of 29.

CECO passed 14 out of 38 due diligence checks and has average fundamentals. Ceco Environmental has seen its stock return 60.07% over the past year, overperforming other pollution & treatment control stocks by 38 percentage points.

Ceco Environmental has an average 1 year price target of $49.50, an upside of 12.45% from Ceco Environmental's current stock price of $44.02.

Ceco Environmental stock has a consensus Buy recommendation according to Wall Street analysts. Of the 2 analysts covering Ceco Environmental, 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 4 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. Zurn Elkay Water Solutions (NYSE:ZWS)

Zurn Elkay Water Solutions (NYSE:ZWS) has an annual dividend yield of 0.79%, which is the same as the pollution & treatment control industry average of 0.42%. 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 34.3% indicates that its dividend yield is sustainable for the long-term.

2. Federal Signal (NYSE:FSS)

Federal Signal (NYSE:FSS) has an annual dividend yield of 0.41%, which is the same as the pollution & treatment control industry average of 0.42%. 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 14.3% indicates that its dividend yield is sustainable for the long-term.

3. Atmus Filtration Technologies (NYSE:ATMU)

Atmus Filtration Technologies (NYSE:ATMU) has an annual dividend yield of 0.26%, which is the same as the pollution & treatment control industry average of 0.42%.

Atmus Filtration Technologies's dividend payout ratio of 6.8% indicates that its dividend yield is sustainable for the long-term.

Why are pollution & treatment control stocks up?

Pollution & treatment control stocks were up 0.28% in the last day, and up 0.8% over the last week. Energy Recovery was the among the top gainers in the pollution & treatment controls industry, gaining 7.56% yesterday.

Energy Recovery shares are trading higher after the company reported better-than-expected Q2 financial results and announced a new $25 million share repurchase program.

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. Atmus Filtration Technologies (NYSE:ATMU)

Atmus Filtration Technologies (NYSE:ATMU) is the 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 14 points higher than the pollution & treatment control industry average of 15. It passed 2 out of 7 valuation due diligence checks.

Atmus Filtration Technologies's stock has gained 25.82% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 4 percentage points.

2. Energy Recovery (NASDAQ:ERII)

Energy Recovery (NASDAQ:ERII) 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.

Energy Recovery has a valuation score of 29, which is 14 points higher than the pollution & treatment control industry average of 15. It passed 2 out of 7 valuation due diligence checks.

Energy Recovery's stock has dropped -8.15% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -30 percentage points.

3. Veralto (NYSE:VLTO)

Veralto (NYSE:VLTO) 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.

Veralto has a valuation score of 14, which is -1 points higher than the pollution & treatment control industry average of 15. It passed 1 out of 7 valuation due diligence checks.

Veralto's stock has gained 3.18% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -19 percentage points.

Are pollution & treatment control stocks a good buy now?

69.23% of pollution & treatment control stocks rated by analysts are a buy right now. On average, analysts expect pollution & treatment control stocks to rise by 12.88% over the next year.

0% of pollution & treatment control stocks have a Zen Rating of A (Strong Buy), 18.18% of pollution & treatment control stocks are rated B (Buy), 63.64% are rated C (Hold), 18.18% are rated D (Sell), and 0% 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 29.01x.

WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.

Pollution & Treatment Control Stocks FAQ

1. Zurn Elkay Water Solutions (NYSE:ZWS)

2. Federal Signal (NYSE:FSS)

3. Ceco Environmental (NASDAQ:CECO)

1. Zurn Elkay Water Solutions (NYSE:ZWS)

2. Federal Signal (NYSE:FSS)

3. Atmus Filtration Technologies (NYSE:ATMU)

1. Atmus Filtration Technologies (NYSE:ATMU)

2. Energy Recovery (NASDAQ:ERII)

3. Veralto (NYSE:VLTO)

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