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.
Latest
Skip the 40-KPI listicles. The four or five numbers that tell a small water hygiene firm whether it is making money, and how to read each one honestly.
7 October 2026 · 6 min read · running the business
Read the post30 September 2026
6 min read
A negative legionella result is a snapshot from one outlet on one day. Why temperature control is the real defence, and what pre- and post-flush sampling tell you.
compliance · field operations
23 September 2026
6 min read
Care homes answer to both HSE and CQC on legionella, the residents are the susceptible group, and CQC has prosecuted a death. What inspectors look for.
compliance
16 September 2026
6 min read
A water hygiene business built entirely around its founder sells for a fraction. The three to five year job of making yourself removable before you exit.
running the business
9 September 2026
6 min read
The 'twice the pipe diameter' dead-leg figure gets quoted as a legal threshold. It isn't one. What HSE actually says, and why removing the pipe beats any ratio.
compliance
2 September 2026
6 min read
Whether the local authority, the governing body or the academy trust holds the legionella duty depends on the school type. Plus the summer-holiday trap.
compliance
26 August 2026
6 min read
How a 5 to 15 person water hygiene firm reads PQQ, ITT, DPS and framework tenders, and why under-answering social value loses winnable public work.
running the business
19 August 2026
6 min read
The annual cold water storage tank inspection is a judgement call. What an engineer checks inside the tank, and when a look becomes a full clean and disinfection.
compliance · field operations
17 August 2026
4 min read
Every field-service platform shows the same invoicing demo: lines, logo, send, sync. The differences that will matter by 2029 are invisible on screen — five questions that surface them.
choosing software
13 August 2026
5 min read
Country-by-country e-invoicing deadlines as verified in August 2026 — what's already law, what's coming, the UK's April 2029 date, and the two things worth doing about it this year.
running the business
BlueWave books the work in, captures the evidence on site, and turns it into records a client or an auditor can actually use. See it on your own workflow.