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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...
OverviewZen RatingPriceValueGrowth
FinancialsMomentumSentimentForecastDividendsDue Diligence
C
Pollution & Treatment Controls is Zen Rated C and is the 76th ranked industry out of 145 stock market industries
Learn how the Zen Ratings work
Ticker
Company
Zen Rating
Growth
Market Cap
Revenue
EBITDA
Earnings
EPS
Rev. Y/Y
Rev. 5Y
Earn. Y/Y
Earn. 5Y
Earnings Date
ATMU
ATMUS FILTRATION TECHNOLOGIES INC
$3.84B$1.66B$298.40M$184.80M$2.221.43%N/A12.69%N/A2025-10-31
FSS
FEDERAL SIGNAL CORP
$7.67B$1.97B$376.20M$221.60M$3.649.09%10.86%9.64%16.31%2025-10-30
ZWS
ZURN ELKAY WATER SOLUTIONS CORP
$7.93B$1.61B$350.10M$174.00M$1.024.74%-4.28%29.11%-6.27%2025-10-28
CECO
CECO ENVIRONMENTAL CORP
$1.74B$656.17M$112.97M$52.46M$1.5015.74%14.71%294.74%25.08%2025-11-10
ERII
ENERGY RECOVERY INC
$774.04M$141.78M$32.34M$24.13M$0.426.19%5.30%13.51%1.49%2025-10-29
VLTO
VERALTO CORP
$26.75B$5.36B$1.33B$893.00M$3.615.61%N/A12.11%N/A2025-10-22
FTEK
FUEL TECH INC
$110.31M$25.07M-$2.55M-$3.23M-$0.10-4.78%5.11%N/AN/A2025-11-11
DEVS
DEVVSTREAM CORP
$89.34MN/AN/AN/AN/AN/AN/AN/AN/A
ARQ
ARQ INC
$315.92M$117.65M$11.00M-$1.65M-$0.0411.96%14.83%N/AN/A2025-11-11
ZONE
CLEANCORE SOLUTIONS INC
$29.95M$2.07M-$6.18M-$6.74M-$0.7929.15%N/AN/AN/A2025-09-18
ADUR
ADURO CLEAN TECHNOLOGIES INC
$389.71M$167.54k-$8.40M-$8.80M-$0.32-33.45%N/AN/AN/A
PCT
PURECYCLE TECHNOLOGIES INC
$2.45B$3.23M-$194.74M-$290.73M-$1.69N/AN/AN/AN/A2025-11-05
TOMZ
TOMI ENVIRONMENTAL SOLUTIONS INC
$16.86M$6.22M-$3.83M-$4.69M-$0.23-12.72%-21.25%N/AN/A2025-11-12
CLIR
CLEARSIGN TECHNOLOGIES CORP
$27.79M$2.98M-$5.80M-$6.08M-$0.1119.03%N/AN/AN/A2025-11-13
SCWO
374WATER INC
$52.86M$1.23M-$15.14M-$15.76M-$0.11403.17%105.01%N/AN/A2025-11-12
LIQT
LIQTECH INTERNATIONAL INC
$24.13M$15.46M-$7.60M-$10.35M-$1.34-12.76%-12.90%N/AN/A
CLWT
EURO TECH HOLDINGS CO LTD
$11.77M$15.38M$953.00k$734.00k$0.10-14.25%-2.43%-58.33%N/A
CHNR
CHINA NATURAL RESOURCES INC
$4.45M$0.00-$391.45k-$435.86k-$0.36N/A-100.00%N/AN/A
1

Pollution & Treatment Control Stocks FAQ

What are the best pollution & treatment control stocks to buy right now in Sep 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. Atmus Filtration Technologies (NYSE:ATMU)


Atmus Filtration Technologies (NYSE:ATMU) 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 Atmus Filtration Technologies (NYSE:ATMU) is: Value: C, Growth: C, Momentum: C, Sentiment: C, Safety: B, Financials: A, and AI: C.

Atmus Filtration Technologies (NYSE:ATMU) has a Due Diligence Score of 39, which is 10 points higher than the pollution & treatment control industry average of 29.

ATMU passed 15 out of 38 due diligence checks and has average fundamentals. Atmus Filtration Technologies has seen its stock return 30.91% over the past year, overperforming other pollution & treatment control stocks by 37 percentage points.

Atmus Filtration Technologies has an average 1 year price target of $42.25, a downside of -8.98% from Atmus Filtration Technologies's current stock price of $46.42.

Atmus Filtration Technologies stock has a consensus Hold recommendation according to Wall Street analysts. Of the 4 analysts covering Atmus Filtration Technologies, 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. 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 44, which is 15 points higher than the pollution & treatment control industry average of 29.

FSS passed 16 out of 38 due diligence checks and has strong fundamentals. Federal Signal has seen its stock return 45.55% over the past year, overperforming other pollution & treatment control stocks by 51 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. Zurn Elkay Water Solutions (NYSE:ZWS)


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

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 41.43% over the past year, overperforming other pollution & treatment control stocks by 47 percentage points.

Zurn Elkay Water Solutions has an average 1 year price target of $42.00, a downside of -11.3% from Zurn Elkay Water Solutions's current stock price of $47.35.

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.

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 0.57%, which is the same as the pollution & treatment control industry average of 0.38%. 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 0.43%, which is the same as the pollution & treatment control industry average of 0.38%. 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 0.33%, which is the same as the pollution & treatment control industry average of 0.38%.

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 0.33% in the last day, and up 2.24% over the last week.

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

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 13 points higher than the pollution & treatment control industry average of 16. It passed 2 out of 7 valuation due diligence checks.

Atmus Filtration Technologies's stock has gained 30.91% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 37 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 13 points higher than the pollution & treatment control industry average of 16. It passed 2 out of 7 valuation due diligence checks.

Energy Recovery's stock has dropped -9.12% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -3 percentage points.

3. Devvstream (NASDAQ:DEVS)


Devvstream (NASDAQ:DEVS) 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.

Devvstream has a valuation score of 0, which is -16 points higher than the pollution & treatment control industry average of 16. It passed 0 out of 7 valuation due diligence checks.

Devvstream's stock has dropped -97.73% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -92 percentage points.

Are pollution & treatment control stocks a good buy now?

58.33% of pollution & treatment control stocks rated by analysts are a buy right now. On average, analysts expect pollution & treatment control stocks to rise by 8.89% 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), 50% are rated C (Hold), 16.67% are rated D (Sell), and 8.33% 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 28.69x.
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