Gas Detection & Chlorine Monitoring for Utilities

Utilities environments, including water treatment, wastewater management, and gas distribution, require continuous monitoring of hazardous gases to ensure safety and compliance.

Trusted by thousands of organisations across the UK, including:

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mclaren_logo
MOD_logo-1
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octopusenergy_logo (1)
riverfood_logo (1)
UKAEA_logo (1)
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astrazeneca_logo
baesystems_logo
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lutonairport_logo
mclaren_logo
MOD_logo-1
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octopusenergy_logo (1)
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Utilities Industry Risks Include:

 
Chlorine risk

Chlorine (Cl₂)

Leaks in water treatment facilities

Methane and hydrogen sulphide risk

Methane (CH₄) & Hydrogen Sulphide (H₂S)

In wastewater and sewage systems

Oxygen depletion risk

Oxygen (O₂) Depletion

In confined or enclosed spaces

Gas leaks in distribution networks

Gas Leaks in Networks

Distribution and infrastructure systems

Exposure during maintenance and inspection

Exposure During Maintenance

Inspection and operational activities

Why Gas Detection & Chlorine Monitoring is Essential

 
Chlorine gas monitoring icon

Chlorine Gas Monitoring

Chlorine is widely used in water treatment, but is highly toxic.

Detect leaks early

Prevent exposure incidents

Ensure safe handling and storage

Gas detection systems icon

Gas Detection Systems

Fixed gas detection systems are critical for:

Continuous monitoring in treatment plants

Detection of multiple hazardous gases

Automated alarms and alerts

Gas meter monitoring icon

Gas Meter Monitoring

Monitoring gas systems and infrastructure ensures:

Safe operation of networks

Early identification of faults or leaks

Improved system reliability

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50+ Years of Experience

Supporting industry with trusted monitoring solutions since 1976.

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Industry Experience

Deep understanding of your challenges and environments.

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Tailored Solutions

Equipment and services designed to meet your specific needs.

Shawcity Solutions for Utilities

 
 

Gas Detection Systems & Units

  • Fixed gas detection systems for continuous monitoring
  • Portable gas detector units for inspections and confined spaces
  • Fit testing systems for RPE wearers
  • Technology suitable for harsh and high-risk environments
 

Chlorine Monitoring Equipment

  • Dedicated chlorine monitors for water treatment facilities
  • Fast response and high sensitivity
  • Supports safe handling and compliance
Chlorine Monitoring➜
 

Gas Detection Maintenance & Servicing

  • Routine maintenance and calibration
  • Ensures accurate readings and compliance
  • Reduces downtime and operational risk
  • Protects the manufacturer warranty
Service & Calibration  ➜
 

Equipment Hire

  • Flexible hire solutions for short-term projects and maintenance work
  • Fully calibrated and ready-to-use equipment
  • No ongoing cost of ownership
Hires  ➜

Utilities Use Cases

Gas monitoring in water treatment plants

Gas detection in wastewater and sewer systems

Confined space monitoring for maintenance work

Gas detection in distribution and infrastructure networks

Monitoring hazardous gases during repairs and inspections

Utilities monitoring

Compliance & Safety Standards

Utilities operators must comply with UK regulations, including:

COSHH (Control of Substances Hazardous to Health)

DSEAR regulations

Workplace Exposure Limits (WELs)

Water industry safety guidelines

 

Monitoring systems ensure:

Compliance with regulations

Compliance with
regulations

Worker safety

Worker
safety

Reliable infrastructure operation

Reliable infrastructure
operation

Special Offers

Current Sale and Product Spotlight

 
Current Sale

10% discount on all hire, service* and calibration

Save 10% on all purchase orders received for the above services before Wednesday 1st July.

Flexible hire options
Fully calibrated equipment
Manufacturer-approved servicing
View Hire Offer ➜
 

*The 10% discount only applies to services carried out in-house at Shawcity. Excludes Fixed system services.

Product Spotlight

OEM Gas Sensors

Explore OEM gas sensors for integration into detection systems, instruments and specialist monitoring applications.

Designed for OEM integration and R&D
Technical product support available
Minimum order quantity of 1!
View OEM Sensors  ➜
OEM gas sensors

FAQs

What gases need monitoring in utilities?

Common gases include:

  • Chlorine (Cl₂)
  • Methane (CH₄)
  • Hydrogen sulphide (H₂S)
  • Carbon monoxide (CO)
  • Oxygen (O₂)
What is a gas detection system?

A gas detection system is a bespoke system designed to monitor gas levels continuously and alert users when unsafe levels are detected.

Why is chlorine gas monitoring important?

Chlorine is toxic and widely used in water treatment. Monitoring helps prevent leaks and ensures safe handling.

How often should gas detection systems be maintained?

Maintenance and calibration are typically required:

  • Every 3–6 months
  • After system changes or repairs
  • Always according to manufacturer recommendations.
What is gas meter monitoring?

Gas meter monitoring involves tracking gas flow and system performance to ensure safe and efficient operation.

What is gas detection maintenance?

 Gas detection maintenance ensures that monitoring equipment remains accurate, reliable, and compliant with regulations.

Chris Mottershaw
Chris Mottershaw
UK Sales Manager
 
Enquiries

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Speak to our team about your monitoring requirements. We can help you identify suitable equipment, services and support for your site or application.

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