Skip to content
HES.
Contact Us
Solutions
Clean WaterControl pathogens, biofilm and cost where conventional treatment failsAir & Infection ControlReduce airborne pathogens and infection risk, with no ozoneEnergyCut energy and recover it from the systems you already runAgriculture & SoilUse less water and fertiliser while protecting yield and soil
Sectors
Healthcare & HospitalsKeep patients safe and your accreditation secure, with infection, Legionella and AMR risk reducedWater & WastewaterStay in consent, and cut the energy and chemicals it takes to get thereCommercial & FacilitiesMeet your EPC and disclosure obligations while running cost and carbon fallAgriculture & Urban FarmingProtect your yield and soil while using less water and fertiliserLocal AuthoritiesMove your estate towards net zero with compliant assets, funded to saveEmerging MarketsBuild investable, accreditation-ready infrastructure on reliable water, sanitation and powerHotels, Hospitality & LeisureKeep guests safe and pools open, with Legionella risk controlled and pool-hall cost cutData CentresCut the cost and water your cooling burns, and harden Legionella control, without touching uptimeFood & Beverage ProcessingCut your trade-effluent bill and hold consent, without touching food safety or uptime
Tools
Where You'd Gain MostPick your sector and what is driving you, and see where you would gain and where to startTrade Effluent Bill EstimatorEstimate your annual trade-effluent bill and see how much is driven by strength, the part you can reduceWater Safety Risk ScorecardAnswer eight quick questions and see your indicative Legionella and waterborne risk band, and where to startCompliance Readiness CheckerPick the duty you answer to, from Legionella to net zero, and see your readiness band and the gaps to closeAeration Energy Cost CalculatorSize the annual energy, cost and carbon of aeration, the single largest energy load in wastewater treatmentCooling Tower Water & Cost CalculatorEstimate the annual water and chemical cost of a cooling tower, and the share that treatment can reduce
Solutions
Clean WaterControl pathogens, biofilm and cost where conventional treatment failsAir & Infection ControlReduce airborne pathogens and infection risk, with no ozoneEnergyCut energy and recover it from the systems you already runAgriculture & SoilUse less water and fertiliser while protecting yield and soil
Sectors
Healthcare & HospitalsKeep patients safe and your accreditation secure, with infection, Legionella and AMR risk reducedWater & WastewaterStay in consent, and cut the energy and chemicals it takes to get thereCommercial & FacilitiesMeet your EPC and disclosure obligations while running cost and carbon fallAgriculture & Urban FarmingProtect your yield and soil while using less water and fertiliserLocal AuthoritiesMove your estate towards net zero with compliant assets, funded to saveEmerging MarketsBuild investable, accreditation-ready infrastructure on reliable water, sanitation and powerHotels, Hospitality & LeisureKeep guests safe and pools open, with Legionella risk controlled and pool-hall cost cutData CentresCut the cost and water your cooling burns, and harden Legionella control, without touching uptimeFood & Beverage ProcessingCut your trade-effluent bill and hold consent, without touching food safety or uptime
Tools
Where You'd Gain MostPick your sector and what is driving you, and see where you would gain and where to startTrade Effluent Bill EstimatorEstimate your annual trade-effluent bill and see how much is driven by strength, the part you can reduceWater Safety Risk ScorecardAnswer eight quick questions and see your indicative Legionella and waterborne risk band, and where to startCompliance Readiness CheckerPick the duty you answer to, from Legionella to net zero, and see your readiness band and the gaps to closeAeration Energy Cost CalculatorSize the annual energy, cost and carbon of aeration, the single largest energy load in wastewater treatmentCooling Tower Water & Cost CalculatorEstimate the annual water and chemical cost of a cooling tower, and the share that treatment can reduce
Case StudiesInsightsAbout
Contact Us
Legal

Terms of Use

The terms on which you may use this website. By using the site you accept these terms.

Last updated 10 June 2026

1. About these terms

This website is operated by Hydrous Environmental Solutions Ltd ("HES", "we", "us" or "our"), a company registered in England and Wales under company number 16087834, with its registered office at 86-90 Paul Street, London, EC2A 4NE, United Kingdom.

These terms of use govern your access to and use of this website. By accessing or using the site, you confirm that you accept these terms and agree to comply with them. If you do not agree, please do not use the site.

2. Using our website

You may use this website for lawful purposes only. You agree not to use the site in any way that breaches any applicable law or regulation, that is fraudulent or harmful, or that could damage, disable, overburden or impair the site or interfere with anyone else's use of it.

You must not attempt to gain unauthorised access to the site, the server on which it is stored, or any server, computer or database connected to it, and you must not introduce any malicious or technologically harmful material.

3. Intellectual property

All content on this website, including text, graphics, images, logos and design, is owned by or licensed to HES and is protected by intellectual property laws. You may view and print extracts for your own reference, but you must not reproduce, distribute, modify or use any content for commercial purposes without our prior written permission.

4. Information, not advice

The content on this website is provided for general information about HES and its services. It does not constitute professional, technical, engineering, legal or other advice, and you should not rely on it as such.

Any outcomes, savings, results or figures described on this site are illustrative of what has been achieved in specific circumstances. They are not a promise or guarantee of the results you will achieve, which depend on a site-specific assessment. Where figures are cited, they are drawn from independent or accredited sources, but they remain context-dependent.

5. No reliance and accuracy

While we take reasonable care to ensure the information on this site is accurate and up to date, we make no representations or warranties, whether express or implied, that the content is accurate, complete or current. We may change the content at any time without notice.

6. Enquiries do not create a contract

Submitting an enquiry through this website does not create any contract or obligation between you and HES. Any engagement will be governed by a separate written agreement.

7. Links to other sites

Where this website contains links to other sites and resources provided by third parties, these links are provided for your information only. We have no control over the contents of those sites and accept no responsibility for them or for any loss or damage that may arise from your use of them.

8. Our liability

Nothing in these terms excludes or limits our liability for death or personal injury arising from our negligence, for fraud or fraudulent misrepresentation, or for any other liability that cannot be excluded or limited under the law of England and Wales.

Subject to that, we will not be liable to you for any loss or damage, whether in contract, tort (including negligence), breach of statutory duty or otherwise, arising under or in connection with your use of, or inability to use, this website, or your reliance on any content on it. This includes any indirect or consequential loss, or any loss of profits, revenue, business, goodwill or data.

9. Availability of the site

We do not guarantee that this website, or any content on it, will always be available or uninterrupted. We may suspend, withdraw or restrict the availability of all or any part of the site for business and operational reasons.

10. Privacy and cookies

Your use of this website is also governed by our Privacy Policy and our Cookie Policy, which explain how we collect and use your information.

11. Changes to these terms

We may revise these terms at any time by amending this page. Please check this page from time to time to take notice of any changes, as they are binding on you.

12. Governing law and jurisdiction

These terms, their subject matter and their formation are governed by the law of England and Wales. The courts of England and Wales will have exclusive jurisdiction over any dispute or claim arising out of or in connection with them.

13. Contact

For any questions about these terms, contact us at office@hydrous.example.