As featured in Waterline Autumn 2025
CSA Launches Accredited Water Treatment Training Pathway
About the CSA: The Commissioning Specialists Association (CSA) is the UK’s leading body for HVAC commissioning and water treatment professionals. It sets training standards, provides career development frameworks, and liaises with industry stakeholders (like BESA, BSRIA & CIBSE) to promote high standards of building services engineering.
In response to industry changes requiring fully qualified tradespeople, the CSA has introduced a new Water Treatment Pathway of Development. The Construction Leadership Council (CLC) has mandated that by the end of 2024, all site workers must hold nationally recognised qualifications rather than legacy Industry Accreditation (IA) cards. Water treatment engineers – who traditionally relied on IA cards – faced a critical skills gap. As the CSA noted in 2022, “very few water treatment companies currently have any formal solution to grade individual water treatment engineers”. With the IA route ending, the CSA moved swiftly to create a structured, recognised training and grading framework for water treatment professionals.
CSA’s Three-Pronged Response
To close this gap, the CSA launched a targeted three-part initiative:
– Water Treatment Committee: The CSA assembled a committee of experienced water treatment professionals to develop specialised Distance Learning Course (DLC) modules. The complete CSA WT DLC comprises three online modules DLC A, B and C, 31 modules in total which cover health & safety, system procedures, chemistry, microbiology, sampling and industry best practices tailored to each career stage.
– Comprehensive Pathway of Development: The CSA technical team designed a six-grade Water Treatment Pathway of Development, from Trainee (Grade T) through Senior Water Treatment Engineer (Grade 5). This framework defines the competencies, academic and on-the-job training requirements for each grade. Notably, the pathway supports two parallel routes – CSA’s distance-learning curriculum and relevant academic qualifications – as entry points for progression. All grades are colour-coded to align with the nationally recognised SKILLcard scheme, mirroring the format used for other engineering trades.
– SKILLcard Recognition: The CSA worked closely with BESA’s CSCS-endorsed SKILLcard scheme to secure formal accreditation of the new framework. In May 2024, CSA announced that the Water Treatment Pathway of Development has been officially recognised by SKILLcard, making it a nationally approved qualification route. Together, these endorsements mean that CSA members who complete the program can obtain the SKILLcard required to work on UK construction sites, closing the loop left by the phaseout of IA cards.
Structured Water Treatment Pathway Details
The CSA’s updated Training and Career Development Handbook outlines the role profiles and learning outcomes for each grade. The system supports both CSA’s DLC courses and formal qualifications:
– Parallel training routes: Prospective engineers can enter via CSA’s DLCs or by enrolling in the relevant academic programs. For example, CSA’s WT DLC A prepares trainees for Grade 1, while DLC B and C cover subsequent grades. At higher levels, candidates can take the CSA Grade 4 exams in conjunction with BESA’s Academy, with a Thesis for Grade 5.
– Accredited content: The entire pathway is officially recognised by SKILLcard, meaning successful candidates earn the same credit as an NVQ-qualified engineer. The DLC’s include training on all aspects of PCC including : QA, Contractual awareness, Advanced water systems design, CPC, Water Flow Regulation & Dynamic Flushing, Disinfection, Electrical theory for WT engineers, Corrosion Monitoring, Advanced Chemical & Microbiological and Chemical Free Water Treatment.
– Career progression: By following the pathway, engineers gain formal verification of competence at each stage. For instance, Grade 2 Water Treatment Engineers will complete CSA’s DLC B (or equivalent training) plus on-site experience and an end of assessment exam before moving to higher grades.
For more information about the CSA Water Treatment Pathway of Development, visit the CSA website: www.csa.org.uk or contact the CSA office on: [email protected].
