1. Study System Tributary WWTP Outlet

2. Water Quality Issue Eutrophication algae blooms transparency oxygen depletion Point source P discharge

3. Approach

4. Mechanistic Model (p. 539 inset) @ steady state where C ss is the steady-state TP concentration

5. Determination of Settling Velocity

6. Empirical Models – TP/Chl Use Equation 29.18

7. Empirical Models – Chl/SD Use Equation 29.21

8. Empirical Models – TP/AHOD Use Equation 29.30

9. Oxygen Depletion Initial DO Final DO Dissolved Oxygen (g·m -3 ) Time (d)