An EUSR card shows your record on the Energy and Utility Skills Register, or EUSR. The register holds the training records behind utility skills schemes in gas, power, water and waste. Each scheme you pass becomes a registration on that record. The National Water Hygiene card, known as the Blue Card, is the one you need to work on drinking water sites.

The card proves less than most people think. It's only a way of showing the record, and the expiry date printed on it isn't the date your registration ends. So if you're checking someone, check the register, not the card. If you hold one, it's your registration that has to be in date.

What EUSR is, and what the register holds

EUSR is run by Energy and Utility Skills, which develops training schemes with employers in the UK utilities. CSCS describes EUSR as the online register of training and skills records for people in the gas, power, waste management and water industries. EUSR's own pages count telecoms, drainage and sewers as utilities work too.

EUSR develops and checks the schemes, approves the trainers who deliver them and records each pass. Its scheme search lists hundreds of schemes, and everyone on the register has an EUSR ID number.

A scheme, a registration and a card are three different things

A scheme is the training and the assessment. National Water Hygiene is one, and EUSR runs others for gas, power, water and waste work.

A registration is what you get when you pass. It sits on your EUSR record with its own expiry date, set by the scheme.

A card is how you show your registrations on site. Every registration since February 2022 comes with a virtual card, held in EUSR's free Vircarda app. A plastic smart card with a chip is optional, on request.

This is where people get caught out. Both kinds of card carry their own expiry date on the front, and EUSR says that date isn't linked to any of your registrations. A card can look in date while the registration behind it has run out.

You may also hold two EUSR cards, because EUSR puts its CSCS partner registrations on a separate card that the CSCS checking app can read.

Where the Blue Card fits

National Water Hygiene is the EUSR registration water companies look for on clean water work, and it's what people mean by the Blue Card. Our EUSR water hygiene card guide covers who needs it, the course and test, and how long it lasts.

We run the EUSR National Water Hygiene Scheme course online. Most learners complete the training and assessment in about 3 hours.

How to check an EUSR card

Don't judge a card by looking at it. CSCS warns that a visual check won't catch a fake or revoked CSCS card, and the date printed on an EUSR card isn't the registration's date. EUSR gives you three ways to check the registration itself.

The first is the register search on EUSR's website. You enter any two of three details, the person's EUSR ID, surname or date of birth. It shows the registrations on their record.

The second is Checarda, a free EUSR app for whoever does the checking. The worker opens their virtual card in Vircarda and you scan it, much like paying by card in a shop. Checarda reads plastic smart cards too, and EUSR says it works with or without internet, which helps at a remote pumping station.

The third is CSCS Smart Check, used on CSCS-controlled sites. It reads EUSR's CSCS partner cards but not EUSR's other schemes, so a Blue Card is checked with Checarda or the register search. Smart Check also needs an internet connection.

Whichever route you use, look for the registration the job needs. A worker can be on the register for one scheme and hold nothing in date for your job. If you think someone is using another person's card, EUSR asks you to contact it or the police.

For a whole gang, the team guide to National Water Hygiene training covers booking and record keeping.

How EUSR cards differ from CSCS cards

QuestionEUSR cardCSCS card
Who runs itEnergy and Utility Skills, through the EUSR registerCSCS, the Construction Skills Certification Scheme
What it showsEvery EUSR registration you hold, one per scheme passedOne card type, matched to your construction job and qualification
Who it's forPeople doing utilities work in gas, power, water, waste, drainage and telecomsPeople in core construction trades, such as carpentry and plastering
How sites check itEUSR register search or the Checarda app, plus Smart Check for EUSR CSCS cardsCSCS Smart Check
How long it lastsEach registration has its own expiry, separate from the card's dateSet by card type, such as five years for a Skilled Worker card and two for a first Labourer card

Accurate as of October 2026, from EUSR and CSCS pages.

If the work is outside the building on a utility network, the card a site asks for will usually come from EUSR, not CSCS.

The two overlap, because only EUSR issues CSCS cards for utilities work. From 1 October 2026, EUSR made the CSCS card a separate application, so each worker holds the card for their role. EUSR says the change follows the Building Safety Act 2022 and its call for clearer proof of competence on every construction site. For CSCS's own card types, see what a CSCS card is.

Lost, expired or out-of-date EUSR cards

A lost virtual card is the easy one. If you've deleted the text message with your Vircarda login, EUSR's support team can send it again, with no replacement card needed.

A lost, stolen or damaged plastic card needs a replacement. You order it through the shop on EUSR's website, or your training provider or employer can order it for you. The new card shows your current registrations and doesn't extend any expiry date.

An expired registration is a different problem, and a new card won't fix it. You renew under that scheme's own rules, which EUSR's scheme search sets out. For the Blue Card, that means the training and test again.

Seen EUSR on a water job advert?

If the job is on a clean water site, the registration the water company wants is National Water Hygiene. Search the register with your surname and date of birth first, because you may already hold it. If you don't, or it has run out, most learners finish our online course, training and test together, in about 3 hours. The card is only the messenger. The register is the record.

Frequently asked questions

What does EUSR stand for?

EUSR stands for the Energy and Utility Skills Register. It's run by Energy and Utility Skills, which works with employers in the UK utilities on training standards. The register records the training of people working in sectors such as gas, power, water and waste. The front of every EUSR ID card shows the holder's name, EUSR ID number and photo.

What is an EUSR card?

An EUSR card is proof of the registrations on your EUSR record. Most people now hold it as a virtual card in EUSR's free Vircarda app, with a plastic smart card as an optional extra. The back of a plastic card lists the registrations held when it was printed. Any added later show only on the register and in the Checarda app.

How do I check an EUSR card?

Search the EUSR register with any two of the person's EUSR ID, surname and date of birth, or scan their card with the free Checarda app. On CSCS-controlled sites, CSCS Smart Check reads EUSR's CSCS cards but not its other schemes. Looking at a card won't tell you whether the registration behind it is still in date.

Is an EUSR card the same as a CSCS card?

No. CSCS cards cover core construction trades, while EUSR records training for utilities work in gas, power, water, waste and telecoms. They overlap because EUSR is CSCS's partner for utilities and issues EUSR CSCS cards. CSCS says holding its card isn't a legal requirement and the site decides. Water companies set their own rule for the Blue Card.

What is the National Water Hygiene card?

It's the EUSR registration UK water companies ask for before anyone works on clean water sites or the clean water network, often called the Blue Card. Like any EUSR registration, it sits on your record with its own expiry, in this case three years. You earn it through National Water Hygiene training and a 25-question test, and renew it by retaking both.

How long does an EUSR card last?

It depends on the registration, not the card. Each scheme sets its own period, and the Blue Card registration runs for three years. The virtual card has a separate expiry date. When it runs out and you still have a live registration, the Vircarda app prompts you to add a new card. A plastic card's date only marks when its chip needs replacing.

What do I do if I lose my EUSR card?

For a virtual card, ask EUSR's support team to resend the text message with your Vircarda login. For a plastic card, order a replacement through the shop on EUSR's website, or ask your training provider or employer to order it. EUSR doesn't take replacement orders by phone. If you've also changed your mobile number, update it in Vircarda and tell EUSR support.

Kerem Ismail
Kerem IsmailManaging Director, The Builders Academy

Kerem Ismail is Managing Director of The Builders Academy and has been helping people secure work in the construction industry since 2016.

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