Below is an extensive array of water analysis parameters (source: hach-lange.com)
Acid Capacity
Acidity
Actividad de Lodos
Alcohol
Alkalinity
Aluminium
Ammonium
AOCS-Colour Scale
AOX
APHA-Colour Scale
Arsenic
ASTM-Colour Scale
Barium
Beer Colour
Benzotriazole
Bitter Units
BOD
Boron
Bromine
Cadmium
Carbonate
Chloramine
Chloride
Chlorine
Chlorine Dioxide
Chromium
CIE Lab
Cobalt
COD
Coliform Bacteria/Membrane Filtration
Coliform Bacteria/MPN
Coliform Bacteria/Paddle Tester
Coliform Bacteria/Presence+Absence
Color developer CD 2/3/4
Conductivity
Copper
Cyanide
Cyanuric Acid
DAB-Colour Scale
Denitrifying Bacteria/BART
Disinfection Control/Paddle Tester
E. coli/Membrane Filtration
E. Coli/NMP
E. coli/Presence+Absence
Edible Oil Colour Scale
Enzymatic Tests
Fat-Colour Scale
Fecal Coliform Bacteria/Membrane Filtration
Fecal Coliform Bacteria/MPN
Flow and Level
Fluorescent Pseudomonas species/BART
Fluoride
Formaldehyde
Gardner-Colour Scale
Gloss
Hazen-Colour Scale
Hess-Ives-Colour Scale
Heterotrophic Aerobic Bacteria/BART
Heterotrophic Bacteria/Membrane Filtration
Hunter Lab-Colour Scale
Hydrazine
Hydrogen Peroxide
Hypochlorite
Iodine
Iron
Iron Related Bacteria/BART
Jod-Colour Scale
Klett-Colour Scale
Lead
Magnesium
Manganese
MEBAK
Menthol
Mercury
Mineral Oil-Colour Scale
Molybdenum
Nickel
Nitrate
Nitrifying Bacteria/BART
Nitrite
Organic acids
Oxidation Reduction Potential (ORP)
Oxygen
Oxygen (echem.)
Oxygen Scavengers
Ozone
Particle
PCB
pH
Pharmacopea-Colour Scale
Phenols
Phosphate
Phosphate, ortho
Phosphate, total
Phosphonate
Phosphoric acid
Photometric Jodine Sample
Pigments
Potassium
Pseudomonas/Membrane Filtration
Quarternary Ammonium Compounds
Reduction agents
Residual Hardness
SAC
Selenium
Seybolt-Colour Scale
Silicic Acid
Silver
Slime Forming Bacteria/BART
Sludge Concentration
Sludge Index
Sludge Level
Sludge Volume
Sodium
Standard Colour Scale
Starch
Sugar Colour in accordance with ICUMSA
Sulfate Reducing Bacteria/BART
Sulphate
Sulphide
Sulphite
Surfactants
Tannin and Lignin
Taste Stability
Tin
TOC
Total alcalinity
Total Bacteria/MPN
Total hardness
Total N
Toxicity
Trihalomethane
Turbidity
Turbidity Sludge
Vicinal Dicetones
Volatile Acids
Volatile Acids
Water Hardness
White Index
Yeast&Mold/Paddle Tester
Yellowness-Index
Zinc