PFAS Treatment at Arlington Desalter Plant

The Western Municipal Water District is seeking a qualified construction contractor to design‑build and install a new ion‑exchange PFAS treatment system at the Arlington Desalter Plant. The scope includes demolition of existing GAC vessels, civil works (grading, trenching, concrete foundations, paving), installation of above‑ and below‑grade pipelines, structural steel supports, two ion‑exchange pressure vessels, associated pumps, valves, instrumentation, electrical power distribution, SCADA integration, and full commissioning. The contractor must also provide all required permits, environmental BMPs, safety plans, a seven‑day operational test, operator training, and comprehensive O&M documentation. • Demolition of existing treatment equipment and site preparation (earthwork, concrete removal, grading). • Installation of new ion‑exchange vessels, pre‑filter bag filters, pipelines (PVC, steel, HDPE), valves, pumps, electrical and instrumentation systems, and SCADA control. • Full civil/structural works: foundations, concrete pads, paving, storm‑drain, and site improvements; plus testing, commissioning, training, and as‑built documentation.