The BlueWave blog
Compliance you can act on, operations that hold up under audit, and the business side nobody writes about. No email walls. For the reference material, see the guides.
2 July 2026
6 min read
A hot outlet reading 43°C sits in the legionella growth band. Here is the out-of-parameter workflow almost nobody writes down, from confirming to closing it out.
compliance · field operations
25 June 2026
6 min read
The annual LCA audit turns on records, not kit. What the assessor samples, the competence gap that catches every firm, and a pre-audit checklist.
compliance · running the business
18 June 2026
6 min read
The office retyping what the engineer already wrote is the quiet tax on every paper-based water hygiene firm. Where the cost hides, and how to enter data once.
field operations
11 June 2026
6 min read
Legionella prosecutions rarely turn on the risk assessment. They turn on the actions it raised and nobody closed. Amey, BUPA, and the register that stops it.
compliance
4 June 2026
6 min read
A wall planner handles ten sites. At forty, recurring water hygiene work becomes thousands of dated tasks a year, and the schedule breaks where you can't see it.
field operations · running the business
28 May 2026
6 min read
The gap between finishing a job and having the certificate filed is a backlog with a name. Why proof debt bites water hygiene firms hardest, and how to stop it.
field operations
21 May 2026
6 min read
HSE guidance never mandated paper. It requires authentication, retention and availability. What that means a digital record-keeping system must do.
compliance · choosing software
14 May 2026
6 min read
When you subcontract to FM companies, attendance disputes are decided by records, not memory. What a defensible visit record holds, and why paper won't cut it.
field operations · running the business
7 May 2026
6 min read
The fixed two-year legionella review vanished from ACOP L8 in 2013. Review is ongoing and change-triggered now, which asks more of duty holders, not less.
compliance
30 April 2026
6 min read
The most repeated task in water hygiene leaks in three ways: wrong outlets, gaps when people are away, and the pad-to-spreadsheet hop. How to close each one.
compliance · field operations
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