We　investigated　the　pollution　characteristics　of　ninety　semi-volatile　organic　compounds　(SVOCs)　in　the　rivers　and　lakes　of　Shanghai.　Total　concentrations　of　sigma　90SVOCs　in　water　and　sediment　samples　from　30　sites　ranged　from　1.47　to　19.5　mu　g/L　and　2.38　to　9.48　mg/kg,　respectively.　PAEs　and　PAHs　were　the　major　contaminant　compounds　found　in　all　samples.　OCPs　accounted　for　less　than　3%　of　the　total　concentrations　of　sigma　90SVOCs　and　other　SVOCs　were　either　not　detected　or　only　detected　in　trace　amounts.　Our　results　indicated　that　domestic　swage,　industrial　wastewater,　petroleum　products,　and　other　human　activities　were　the　pollutant　sources　to　the　water　and　sediment.　It　is　noteworthy　that　products　that　contain　the　banned　chemicals　HCH　and　DDT　are　still　under　use　within　the　studied　areas.　Ecological　and　health　risk　assessment　results　showed　that　dieldrin　and　BBP　have　the　potential　to　cause　adverse　effects　on　the　environment,　while　B(a)p　and　DBP　have　high　carcinogenic　risks　to　humans.