TxDOT’sEnvironmental Affairs Division is soliciting proposals for indefinitedeliverable, scientific services contracts for performing environmentalstormwater services as required for transportation activities under state andfederal statutes including Sections 402 and 303 of the Clean Water Act, 30 TAC,Chapter 213 and all related statutes and standards related to compliance withstormwater environmental rules and regulations. Services may include: outfallmapping and verification, performing field surveys including dry weather andwet weather outfall screening, Illicit Discharge Detection and Elimination(IDDE) inspections and screening, construction general permit (CGP)inspections, non-engineering spill prevention planning, field data collection,data post-processing, data evaluation, data reporting, producing reports,providing technical support, creating tools, templates, and manuals, conductingpublic notices, and providing assistance in support of TxDOT’s compliance withfederal and state statutes and regulations related to compliance with andimplementation of stormwater environmental standards and other tasks requiredin the NPDES or TPDES Permits. Additional services required to fulfill theState’s obligations and facilitate the State’s compliance with federal andstate environmental stormwater requirements may also be requested under thiscontract.