Well 30 Modeling

Model Grid and Setup Well 30 Well 31 Well 27 Well UC-H2

Boundaries Constant Head General Head

Model Parameters 1 layer Unconfined Only pumping Wells –Well 30 –Well 31 –Well 27 Boundaries –Constant Head Top and Left Side of Model –General Head Bottom and Right Side of Model

Layer Properties Conductivity K x = cm/sec K y = cm/sec K z = cm/sec V x = 130 ft/yr Gradient of Storage S s = (1/ft) S y = 0.2 Effective Porosity = 30% Total Porosity = 35 %

Initial Conditions Water Levels –1974 Groundwater contours from Kaiser Steel Corp Report, TDS Concentrations –2000 model results from Kaiser Steel Corp Report, 1986.

Well 30 TDS Concentration vs. Time (2500 & 4000 GPM

Pumping rate 2500 gpm

Well 30 Concentration Map (Pumping Rate 0 gpm, 3650 days)

Well 30 Beginning Head Levels

Well 30 Concentration Map (Pumping Rate 0 gpm, 3650 days)

Well 30 Head Level Map (Pumping Rate 0 gpm, 3650 days)

Well 30 Concentration Map (Pumping Rate 1000 gpm, 3650 days)

Well 30 Head Level (Pumping Rate 1000 gpm, 3650 days)

Well 30 Concentration Map (Pumping Rate 1500 gpm, 3650 days)

Well 30 Head Level (Pumping Rate 1500 gpm, 3650 days)

Well 30 Concentration Map (Pumping Rate 2000 gpm, 3650 days)

Well 30 Head Level Map (Pumping Rate 2000 gpm, 3650 days)

Well 30 Concentration Map (Pumping Rate 2500 gpm, 3650 days)

Well 30 Head Level Map (Pumping Rate 2500 gpm, 3650 days)

Well 30 Concentration Map (Pumping Rate 3000 gpm, 3650 days)

Well 30 Head Level (Pumping Rate 3000 gpm, 3650 days)

Well 30 Concentration Level Map (Pumping Rate 4000 gpm, 3650 days)

Well 30 Head Level (Pumping Rate 4000 gpm, 3650 days)

Well 30 Concentration Level Map (Pumping Rate 5000 gpm, 3650 days)

Well 30 Head Level Map (Pumping Rate 5000 gpm, 3650 days)