CURRENT Water Quality (includes chemicals)
Ion Balance for STARTING Water Quality
If you have multiple source waters, toggle this switch on to input their water qualities. You will have the option to apply the blended water quality to the rest of the models
Source Water A
Source Water B
Source Water C
Blended Water Quality
Modeled TOC Removal
Required water quality parameters:
1) pH
2) Alkalinity
3) Temperature
4) TOC and/or DOC
5) UV254 Absorbance
Chemical Addition
Set Water Quality Targets
Toggle Inputs
Required inputs:
1) TOC and/or DOC
2) PAC dose (model only takes up to 30 mg/L)
3) Contact Time
4) PAC type
Chemicals Dosed
Modeled DOC Removal using PAC
Toggle Inputs
Required inputs for all models:
1) pH
2) Alkalinity
3) Temperature
4) DOC
5) UV254
6) Bromide
7) Ozone contact time
8) Ozone dose
Additional input required for ozone CT:1) Baffle factor
2) Decay constant, kd
Additional input required for bromate formation:1) Ammonia (depending on selected model)
Chemical Addition
Toggle Inputs
Required model inputs
Inputs for DBP formation:1) pH
2) Temperature
3) TOC and/or DOC
4) UV254
5) Bromide
6) Chlorine type
7) Chlorine dose
8) Chlorine contact time
9) Treatment - chlorine dosed into raw, coagulated or post-GAC water
Inputs for chlorine CT:1) pH
2) Temperature
3) Chlorine contact time
4) Chlorine residual
5) Baffle factor
DBP Formation
CT Calculation
Water Quality Post-Disinfection
Concentration x Time (CT)
Scaling Indices
Required model inputs
Langelier Saturation Index1) pH
2) Alkalinity
3) Temperature
4) Calcium
5) TDS or Conductivity
CCPP1) pH
2) Alkalinity
3) Temperature
4) Calcium
Ryznar Stability Index1) pH
2) Alkalinity
3) Temperature
4) Calcium
5) TDS or Conductivity
Corrosion Indices
Required model inputs
Larson Skold Index1) Alkalinity
2) Chloride
3) Sulfate
CSMR1) Chloride
2) Sulfate
Aggressiveness Index1) pH
2) Alkalinity
3) Calcium
Dissolved Lead
Required model inputs
Lead solubility1) pH
2) Alkalinity
3) TDS or Conductivity