27045 Whole Effluent Toxicity (WET) Testing

The City of Gloucester is soliciting proposals from qualified contractors to provide Whole Effluent Toxicity (WET) testing services in compliance with the National Pollution Discharge Elimination System (NPDES) permit. The contractor will be responsible for conducting biological monitoring of receiving waters, performing toxic control analyses, and delivering comprehensive reports that satisfy state and federal environmental regulations. This is a single‑award contract; the City reserves the right to reject any or all proposals and will award to the offer deemed in its best interest. • Perform Whole Effluent Toxicity testing on effluent discharges as required by the NPDES permit. • Collect and analyze receiving water samples for biological effects. • Conduct toxic control monitoring and generate detailed analytical reports. • Ensure all work complies with MGL Chapter 30B and applicable federal guidelines. • Submit all deliverables electronically via BidNet Direct by the bid opening date.