WallStreetZenWallStreetZen

Sectors & IndustriesIndustrialsPollution & Treatment Controls
Best Pollution & Treatment Control Stocks to Buy Now (2026)
Top pollution & treatment control stocks in 2026 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 RatingPriceValueGrowthFinancialsMomentumSentimentForecastDividendsDue Diligence
C
Pollution & Treatment Controls is Zen Rated C and is the 66th ranked industry out of 145 stock market industries
Learn how the Zen Ratings work
Ticker
Company
Exchange
Industry
Zen Rating
Market Cap
Price
1d %
EBITDA
P/E
D/E
Country
DD Score
ATMU
ATMUS FILTRATION TECHNOLOGIES INC
NYSE
Pollution & Treatment Controls
$5.23B$64.123.22%$329.60M25.44x2.57
United States
ZWS
ZURN ELKAY WATER SOLUTIONS CORP
NYSE
Pollution & Treatment Controls
$8.56B$51.30-0.16%$379.20M43.85x0.67
United States
FSS
FEDERAL SIGNAL CORP
NYSE
Pollution & Treatment Controls
$7.33B$120.490.95%$397.70M31.05x0.47
United States
FTEK
FUEL TECH INC
NASDAQ
Pollution & Treatment Controls
$39.15M$1.26-0.79%-$2.25M-14.00x0.17
United States
VLTO
VERALTO CORP
NYSE
Pollution & Treatment Controls
$22.98B$92.540.61%$1.34B25.15x1.61
United States
CECO
CECO ENVIRONMENTAL CORP
NASDAQ
Pollution & Treatment Controls
$2.82B$79.145.35%$118.68M53.47x1.87
United States
ERII
ENERGY RECOVERY INC
NASDAQ
Pollution & Treatment Controls
$826.36M$15.601.50%$28.02M45.88x0.16
United States
SCWO
374WATER INC
NASDAQ
Pollution & Treatment Controls
$48.24M$2.858.37%-$16.59M-2.38x0.75
United States
ADUR
ADURO CLEAN TECHNOLOGIES INC
NASDAQ
Pollution & Treatment Controls
$342.10M$10.892.35%-$13.70M-23.32x0.27
Canada
PCT
PURECYCLE TECHNOLOGIES INC
NASDAQ
Pollution & Treatment Controls
$1.57B$8.69-0.34%-$130.58M-6.49x9.11
United States
ARQ
ARQ INC
NASDAQ
Pollution & Treatment Controls
$153.27M$3.59-0.83%$9.55M-35.90x0.28
United States
TOMZ
TOMI ENVIRONMENTAL SOLUTIONS INC
NASDAQ
Pollution & Treatment Controls
$14.18M$0.700.00%-$4.30M-2.80x2.65
United States
LIQT
LIQTECH INTERNATIONAL INC
NASDAQ
Pollution & Treatment Controls
$17.42M$1.817.10%-$6.31M-1.81x1.37
Denmark
DEVS
DEVVSTREAM CORP
NASDAQ
Pollution & Treatment Controls
$3.72M$0.85-0.23%N/A-0.27x-1.46
Canada
RAIN
RAIN ENHANCEMENT TECHNOLOGIES HOLDCO INC
NASDAQ
Pollution & Treatment Controls
$14.56M$2.7824.11%-$5.55M0.00x-1.20
United States
CLWT
EURO TECH HOLDINGS CO LTD
NASDAQ
Pollution & Treatment Controls
$9.08M$1.20-0.83%N/A17.14x0.22
Hong Kong
ZONE
CLEANCORE SOLUTIONS INC
NYSEMKT
Pollution & Treatment Controls
$54.74M$0.2610.64%-$122.00M-0.17x0.08
United States
CLIR
CLEARSIGN TECHNOLOGIES CORP
NASDAQ
Pollution & Treatment Controls
$32.71M$0.610.66%-$6.07M-5.12x0.40
United States
CHNR
CHINA NATURAL RESOURCES INC
NASDAQ
Pollution & Treatment Controls
$3.58M$3.42-2.56%-$391.45k-9.40x1.96
Hong Kong
1

Pollution & Treatment Control Stocks FAQ

What are the best pollution & treatment control stocks to buy right now in Feb 2026?

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 19 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

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

Atmus Filtration Technologies (NYSE:ATMU) has a Due Diligence Score of 37, which is 10 points higher than the pollution & treatment control industry average of 27.

ATMU passed 14 out of 38 due diligence checks and has average fundamentals. Atmus Filtration Technologies has seen its stock return 60.02% over the past year, overperforming other pollution & treatment control stocks by 30 percentage points.

Atmus Filtration Technologies has an average 1 year price target of $59.00, a downside of -7.99% from Atmus Filtration Technologies's current stock price of $64.12.

Atmus Filtration Technologies stock has a consensus Buy recommendation according to Wall Street analysts. Of the 2 analysts covering Atmus Filtration Technologies, 50% have issued a Strong Buy rating, 0% have issued a Buy, 50% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

2. Zurn Elkay Water Solutions (NYSE:ZWS)


Zurn Elkay Water Solutions (NYSE:ZWS) is the #2 top pollution & treatment control stock out of 19 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: C, Momentum: B, Sentiment: B, Safety: B, Financials: B, and AI: C.

Zurn Elkay Water Solutions (NYSE:ZWS) has a Due Diligence Score of 35, which is 8 points higher than the pollution & treatment control industry average of 27.

ZWS passed 14 out of 38 due diligence checks and has average fundamentals. Zurn Elkay Water Solutions has seen its stock return 42.62% over the past year, overperforming other pollution & treatment control stocks by 13 percentage points.

Zurn Elkay Water Solutions has an average 1 year price target of $55.75, an upside of 8.67% from Zurn Elkay Water Solutions's current stock price of $51.30.

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

3. Federal Signal (NYSE:FSS)


Federal Signal (NYSE:FSS) is the #3 top pollution & treatment control stock out of 19 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: C, Momentum: C, Sentiment: C, Safety: C, Financials: A, and AI: C.

Federal Signal (NYSE:FSS) has a Due Diligence Score of 49, which is 22 points higher than the pollution & treatment control industry average of 27.

FSS passed 18 out of 38 due diligence checks and has strong fundamentals. Federal Signal has seen its stock return 24.09% over the past year, underperforming other pollution & treatment control stocks by -6 percentage points.

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. Federal Signal (NYSE:FSS)


Federal Signal (NYSE:FSS) has an annual dividend yield of 0.46%, 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 13.9% indicates that its dividend yield is sustainable for the long-term.

2. Veralto (NYSE:VLTO)


Veralto (NYSE:VLTO) has an annual dividend yield of 0.38%, which is the same as the pollution & treatment control industry average of 0.38%.

Veralto's dividend payout ratio of 9% 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 8.3% indicates that its dividend yield is sustainable for the long-term.

Why are pollution & treatment control stocks up?

Pollution & treatment control stocks were up 1.95% in the last day, and up 2.76% 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. Veralto (NYSE:VLTO)


Veralto (NYSE:VLTO) 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.

Veralto has a valuation score of 29, which is 11 points higher than the pollution & treatment control industry average of 18. It passed 2 out of 7 valuation due diligence checks.

Veralto's stock has dropped -7.23% in the past year. It has underperformed 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 11 points higher than the pollution & treatment control industry average of 18. It passed 2 out of 7 valuation due diligence checks.

Energy Recovery's stock has gained 3.31% in the past year. It has underperformed other stocks in the pollution & treatment control industry by -26 percentage points.

3. Atmus Filtration Technologies (NYSE:ATMU)


Atmus Filtration Technologies (NYSE:ATMU) 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.

Atmus Filtration Technologies has a valuation score of 29, which is 11 points higher than the pollution & treatment control industry average of 18. It passed 2 out of 7 valuation due diligence checks.

Atmus Filtration Technologies's stock has gained 60.02% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 30 percentage points.

Are pollution & treatment control stocks a good buy now?

66.67% of pollution & treatment control stocks rated by analysts are a buy right now. On average, analysts expect pollution & treatment control stocks to rise by 16.21% over the next year.

9.09% of pollution & treatment control stocks have a Zen Rating of A (Strong Buy), 27.27% of pollution & treatment control stocks are rated B (Buy), 27.27% are rated C (Hold), 9.09% are rated D (Sell), and 27.27% 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 29.54x.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
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.