42136_RFP26_Lake_Jesup

The St. Johns River Water Management District is seeking qualified firms to conduct a comprehensive study and remediation of sediment‑bound phosphorus in Lake Jesup using lanthanum‑modified bentonite. The work includes baseline sediment sampling, data collection, permitting, community outreach (if needed), application of the treatment, and a three‑year post‑treatment monitoring program to evaluate efficacy. • Conduct baseline sediment sampling and analytical testing for bio‑available phosphorus. • Obtain all required environmental permits and coordinate outreach with local stakeholders. • Apply lanthanum‑modified bentonite treatment to targeted lake sediments. • Perform post‑treatment monitoring for three years, including water quality sampling and data analysis. • Deliver a final technical report assessing treatment performance and recommending future actions.