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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 +28.50% per year, and are the best pollution & treatment control stocks to buy now. Learn More.

Industry: Pollution & Treatment Con...
OverviewZen RatingPriceValueGrowth
FinancialsMomentumSentimentForecastDividendsDue Diligence
D
Pollution & Treatment Controls is Zen Rated D and is the 106th 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
ZWS
ZURN ELKAY WATER SOLUTIONS CORP
$7.38B$1.83B$495.20M$290.60M$1.7410.06%43.65%53.98%-1.43%
VLTO
VERALTO CORP
$25.37B$5.70B$1.39B$988.00M$4.006.23%N/A10.80%N/A
ATMU
ATMUS FILTRATION TECHNOLOGIES INC
$3.79B$1.90B$359.70M$215.10M$2.6313.05%N/A15.35%N/A2026-11-06
FSS
FEDERAL SIGNAL CORP
$7.03B$2.45B$483.50M$285.40M$4.6923.97%15.55%28.85%22.36%
ARQ
ARQ INC
$77.29M$123.44M-$36.17M-$52.26M-$1.274.93%7.18%N/AN/A2026-11-04
FTEK
FUEL TECH INC
$46.20M$27.30M-$2.71M-$3.48M-$0.118.89%2.09%N/AN/A2026-11-03
ADUR
ADURO CLEAN TECHNOLOGIES INC
$366.69M$86.78k-$13.08M-$13.66M-$0.43-44.85%N/AN/AN/A
ERII
ENERGY RECOVERY INC
$363.44M$120.57M$20.48M$15.34M$0.28-14.95%3.12%-33.33%-1.37%2026-11-04
PCT
PURECYCLE TECHNOLOGIES INC
$669.01M$13.76M-$125.39M-$222.82M-$1.33326.13%N/AN/AN/A2026-11-04
LIQT
LIQTECH INTERNATIONAL INC
$10.64M$15.43M-$6.99M-$9.75M-$0.84-0.17%-0.24%N/AN/A2026-11-12
RAIN
RAIN ENHANCEMENT TECHNOLOGIES HOLDCO INC
$7.02M$10.50k-$11.07M-$11.76M-$1.52N/AN/AN/AN/A2026-11-12
TOMZ
TOMI ENVIRONMENTAL SOLUTIONS INC
$13.84M$6.93M-$2.44M-$3.45M-$0.5011.42%-9.61%N/AN/A2026-11-13
CLIR
CLEARSIGN TECHNOLOGIES CORP
$16.75M$5.45M-$4.98M-$5.24M-$1.0082.74%71.92%N/AN/A2026-11-13
BCHT
BIRCHTECH CORP
$31.83M$19.18M-$3.67M-$4.17M-$0.1611.02%N/AN/AN/A2026-11-12
ZONE
ZONE FRONTIER INC
$48.34M$3.41M-$174.04M-$174.16M-$1.0464.34%N/AN/AN/A2026-11-12
CLWT
EURO TECH HOLDINGS CO LTD
$10.13M$13.27M$46.00k$157.00k$0.02-13.77%-0.14%-80.00%-27.52%
CHNR
CHINA NATURAL RESOURCES INC
$5.14M$0.00-$180.29k-$181.03kN/AN/A-100.00%N/AN/A
SCWO
374WATER INC
$44.12M$1.89M-$18.83M-$19.96M-$1.1953.50%79.59%N/AN/A2026-11-11
1

Pollution & Treatment Control Stocks FAQ

What are the best pollution & treatment control stocks to buy right now in Oct 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. 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 +17.17% per year. Learn more.

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

Zurn Elkay Water Solutions (NYSE:ZWS) has a Due Diligence Score of 48, which is 19 points higher than the pollution & treatment control industry average of 29.

ZWS passed 18 out of 38 due diligence checks and has strong fundamentals. Zurn Elkay Water Solutions has seen its stock lose -6.77% over the past year, overperforming other pollution & treatment control stocks by 8 percentage points.

Zurn Elkay Water Solutions has an average 1 year price target of $56.25, an upside of 25.75% from Zurn Elkay Water Solutions's current stock price of $44.73.

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.

2. Veralto (NYSE:VLTO)


Veralto (NYSE:VLTO) is the #2 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 +5.11% per year. Learn more.

The Component Grade breakdown for Veralto (NYSE:VLTO) is: Value: C, Growth: C, Momentum: C, Sentiment: B, Safety: A, Financials: B, and AI: B.

Veralto (NYSE:VLTO) has a Due Diligence Score of 46, which is 17 points higher than the pollution & treatment control industry average of 29.

VLTO passed 19 out of 38 due diligence checks and has strong fundamentals. Veralto has seen its stock return 4.58% over the past year, overperforming other pollution & treatment control stocks by 20 percentage points.

Veralto has an average 1 year price target of $114.00, an upside of 9.55% from Veralto's current stock price of $104.06.

Veralto stock has a consensus Buy recommendation according to Wall Street analysts. Of the 7 analysts covering Veralto, 28.57% have issued a Strong Buy rating, 28.57% have issued a Buy, 42.86% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

3. Atmus Filtration Technologies (NYSE:ATMU)


Atmus Filtration Technologies (NYSE:ATMU) 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 +5.11% per year. Learn more.

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

Atmus Filtration Technologies (NYSE:ATMU) has a Due Diligence Score of 43, which is 14 points higher than the pollution & treatment control industry average of 29.

ATMU passed 18 out of 38 due diligence checks and has strong fundamentals. Atmus Filtration Technologies has seen its stock lose -1.46% over the past year, overperforming other pollution & treatment control stocks by 14 percentage points.

Atmus Filtration Technologies has an average 1 year price target of $58.50, an upside of 25.91% from Atmus Filtration Technologies's current stock price of $46.46.

Atmus Filtration Technologies stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 2 analysts covering Atmus Filtration Technologies, 50% have issued a Strong Buy rating, 50% 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 0.74%, which is the same as the pollution & treatment control industry average of 0.56%. 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 25.3% 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 0.51%, which is the same as the pollution & treatment control industry average of 0.56%. 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 12.4% indicates that its dividend yield is sustainable for the long-term.

3. Veralto (NYSE:VLTO)


Veralto (NYSE:VLTO) has an annual dividend yield of 0.5%, which is the same as the pollution & treatment control industry average of 0.56%.

Veralto's dividend payout ratio of 12.5% indicates that its dividend yield is sustainable for the long-term.

Why are pollution & treatment control stocks up?

Pollution & treatment control stocks were up 1.82% in the last day, and down -0.45% 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 14, which is 1 points higher than the pollution & treatment control industry average of 13. It passed 1 out of 7 valuation due diligence checks.

Atmus Filtration Technologies's stock has dropped -1.46% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 14 percentage points.

2. Zurn Elkay Water Solutions (NYSE:ZWS)


Zurn Elkay Water Solutions (NYSE:ZWS) 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.

Zurn Elkay Water Solutions has a valuation score of 29, which is 16 points higher than the pollution & treatment control industry average of 13. It passed 2 out of 7 valuation due diligence checks.

Zurn Elkay Water Solutions's stock has dropped -6.77% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 8 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 13. It passed 1 out of 7 valuation due diligence checks.

Veralto's stock has gained 4.58% in the past year. It has overperformed other stocks in the pollution & treatment control industry by 20 percentage points.

Are pollution & treatment control stocks a good buy now?

44.44% of pollution & treatment control stocks rated by analysts are a strong buy right now. On average, analysts expect pollution & treatment control stocks to rise by 27.26% over the next year.

0% of pollution & treatment control stocks have a Zen Rating of A (Strong Buy), 11.11% of pollution & treatment control stocks are rated B (Buy), 66.67% are rated C (Hold), 11.11% are rated D (Sell), and 11.11% 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 17.12x.
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