What is Legionella and why is it dangerous?
Everything you need to know about the bacterium, how it spreads, at-risk populations, and the Israeli testing standard.
Read MoreWhat the eye can't see,
we know how to find
Sampling, testing, risk detection, and protecting public health
Kesar Digum delivers advanced solutions for water, food, air, and environmental quality control - for businesses, institutions, organizations, and the private sector
Accredited Laboratoriesby the Israel Laboratory Accreditation Authority
Rigorous StandardISO 17025
Rapid Legionella TestingResults within 24 hours
- Water Sampling
- Food Sampling
- Wastewater Sampling
- Water Reservoir Disinfection
- Backflow Preventer
We provide service to a broad range of businesses, institutions, authorities, and the private sector - nationwide
Testing is performed under accreditation from the Israel Laboratory Accreditation Authority and recognition by the Ministry of Health · Testing at accredited laboratories ISO 17025
What We Do
Our Areas of Expertise
A comprehensive solution for sampling, laboratory testing, monitoring, and disinfection - across every type of water, food, and environment.
Water Sampling
Drinking water, pool, mikveh, and water-system testing - Grade A and Grade B.
Water Sampling
Microbiological and chemical testing for drinking water, swimming pools, mikvehs, and water systems - in line with Ministry of Health regulations, at an ISO 17025 accredited laboratory.
Full DetailsLegionella Sampling
Legionella detection and rapid PCR testing - results within 24 hours.
Legionella Sampling
Sampling and detection of Legionella in cooling towers, hot-water systems, and air-conditioning units, including rapid PCR testing with results within 24 hours.
Full DetailsFood Sampling
Laboratory food testing: Salmonella, Listeria, and pathogens - urgent testing available.
Food Sampling
Laboratory food testing to detect Salmonella, Listeria, E. coli, and other pathogens - for plants, restaurants, and importers, including an urgent testing service.
Full DetailsFood Sanitarian Supervision
A certified food sanitarian for your business - inspections, procedures, and staff training.
Food Sanitarian Supervision
Ongoing support from a certified food sanitarian for food businesses - sanitation inspections, procedure writing, and employee training, to meet Ministry of Health requirements and business licensing.
Full DetailsWastewater Sampling
Wastewater sampling and testing for plants, authorities, and water utilities.
Wastewater Sampling
Industrial wastewater sampling and testing for plants, businesses, and authorities - in line with water utility rules and environmental regulatory requirements.
Full DetailsWater Reservoir Disinfection
Cleaning and disinfection of reservoirs in buildings over 4 stories + verification sampling.
Water Reservoir Disinfection
Cleaning and disinfection of drinking-water reservoirs in buildings over 4 stories, as required by regulations, including verification sampling and issuance of a disinfection certificate.
Full DetailsPipe Disinfection
Pipe disinfection and cleaning + a disinfection certificate for Form 4.
Pipe Disinfection
Disinfection and cleaning of water piping in new buildings and existing systems, plus issuance of the disinfection certificate required to obtain Form 4.
Full DetailsBackflow Preventer (BFP)
Supply, installation, and annual testing of backflow preventers.
Backflow Preventer (BFP)
Supply, installation, repair, and annual testing of backflow preventers (BFP) by a certified inspector, including submitting the certificate to the water utility.
Full Details
Our Advantage
Why Choose Kesar Digum
A professional authority that works with Israel's most demanding organizations - from hospitals to government agencies.
Professional Experience
Years of experience with institutions, plants, and government bodies.
Nationwide Coverage
Service across the country, from Metula to Eilat.
Accredited Laboratories
Testing under the ISO 17025 standard and recognition by the Ministry of Health.
Urgent Testing
Fast results, including Legionella and food within 24 hours.
High Availability
Quick response and sampling scheduled on short notice.
Professional Guidance
Sanitation consulting and tailored sampling programs.
Trusted By
Some of Our Clients
From hospitals and local authorities to the IDF, educational institutions, and food plants - organizations that never compromise on water quality trust Kesar Digum.
Urgent Testing
Urgent Legionella Test
Suspect Legionella?
Legionella PCR / BCR testing with results within 24 hours or even less - critical for dental clinics, hotels, and medical institutions.
For Every Organization
Tailored Solutions by Sector
We know the regulations and unique needs of every sector.
Dental Clinics
Legionella prevention in the dental unit and disinfection of water systems.
Hospitals
Monthly sampling, monitoring, and disinfection when a finding arises.
Food Industry
Food, surface, and air testing - urgent options included.
Hotels
Legionella monitoring and water quality for large systems.
Nursing Homes and Assisted Living
Protecting at-risk populations.
Building Committees and Maintenance
Annual testing and disinfection for water reservoirs.
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0Institutional Clients
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Knowledge Center
Professional Insights Worth Knowing
Guides, regulations, and FAQs from the world of sampling and testing.
Legionella
Water Testing
Grade A vs. Grade B Drinking Water Testing
The difference between the tests, when each is required, and how often you must perform them.
Read More
Pipe Disinfection
Pipe Disinfection Certificate for Form 4 - A Contractor's Guide
What a contractor needs before occupancy, how the disinfection process works, and which documents you receive.
Read More
Talk to Us
Get a Quote
Leave your details and we'll get back to you shortly, or call now for professional advice.
- Office08-9332299
- WhatsAppSend a Message
- Service AreaNationwide - from Metula to Eilat