Table 2.1.1 Selected Water Quality Models
1-D longitudinal steady-state, temperature, DO, and BOD
1-D longitudinal steady flow stream water quality model
1-D loading model
1-D dynamic flow, time-varying stream hydraulic (RIV1H)
and water quality (RIV1Q) models.
Tailwater Quality Model, 1-D steady flow, steady-state
stream water quality model for reservoirs and tailwaters.
Includes reduced substances (e.g. iron, manganese, and
1-D vertical 2 layer (mixed upper layer and hypolimnion)
steady-state model, calculates oxygen deficit rates.
1-D longitudinal 2 layer (mixed upper layer and hypolimnion)
steady-state empirical eutrophication model.
1-D vertical reservoir model for temperature.
1-D vertical reservoir model for water quality.
1-D vertical reservoir model for temperature and conservative
2-D laterally-averaged, longitudinal, vertical, hydrodynamic
and water quality model for reservoirs, estuaries, and other 2-
D water bodies.
1-D vertical, steady-state model for predicting the selective
withdrawal outflow distribution and release concentrations
for reservoir outlets.
1-D vertical (reservoir) and 1-D longitudinal (stream)
reservoir systems operation model that includes water
1-D, 2-D, and/or 3-D water quality model. Must be linked to
hydrodynamic model output.
Zero-Dimensional (water column) PC based screening model
to assess the impact of contaminated bottom sediments on
surface waters. The bottom sediments are modeled with 1-D