| Location | | Nominal | Location |
| Trans | | Physical quantity | Number of transects |
| Plot | | Physical quantity | Number of plots |
| Geology | | Nominal | Name of geology formation |
| RecYear | | Physical quantity | Year of record |
| WLDate | | Date/time | Date water level was measured |
| Elevation | | Physical quantity | Water level elevation above mean sea level |
| SWDate | | Date/time | Date water level was measured |
| Na1 | | Physical quantity | Sodium oncentration in milligram per liter,determined by atomic absorption spectrometry or ion chromatography |
| Na2 | | Physical quantity | Sodium concentration in parts per million, determined by inductively-coupled plasma optical emission spectrometry |
| K1 | | Physical quantity | Potassium concentration in milligram per liter,determined by atomic absorption spectrometry or ion chromatography |
| K2 | | Physical quantity | Potassium concentration in in parts per million ,determined by inductively-coupled plasma optical emission |
| Li | | Physical quantity | Lithium concentration in parts per million ,determined by inductively-coupled plasma optical emission |
| NH4_N | | Physical quantity | Ammonium concentration in milligram nitrogen (N) per liter, determined by ion chromatography |
| Ca1 | | Physical quantity | Calcium concentration in milligram per liter, determined by atomic absorption spectrometry or ion chromatography |
| Ca2 | | Physical quantity | Calcium concentration in parts per million, determined by inductively-coupled plasma optical emission spectrometry |
| Mg1 | | Physical quantity | Magnesium concentration in milligram per liter, determined by atomic absorption spectrometry or ion chromatography |
| Mg2 | | Physical quantity | Magnesium concentration in parts per million, determined by inductively-coupled plasma optical emission spectrometry |
| Sr | | Physical quantity | Strontium concentration in parts per million, determined by inductively-coupled plasma optical emission spectrometry |
| Ba | | Physical quantity | Barium concentration in parts per million, determined by inductively-coupled plasma optical emission spectrometry |
| SO4 | | Physical quantity | Soncentration in parts per million, determined by ion chromatography |
| F | | Physical quantity | Fluoride concentration in parts per million, determined by ion chromatography |
| Cl | | Physical quantity | Chloride concentration in parts per million, determined by ion chromatography |
| NO3_N | | Physical quantity | Nitrate concentration in parts per million as nitrogen (N), determined by ion chromatography |
| HPO4_P | | Physical quantity | Phosphate concentration in parts per million phosphorous (P), determined by ion chromatography |
| Alkalinity | | Physical quantity | Titration alkalinity (as HCO3) reported as parts per million bicarbonate |
| pH1 | | Physical quantity | Deliberate degassing bottle pH at 13°C (lab pH) |
| DDB | | Physical quantity | Deliberate degassing bottle pH at 13°C |
| pH2 | | Physical quantity | pH measured on site in the field |
| Temp | | Physical quantity | Temperature of water at time of field pH measurement |
| Si1 | | Physical quantity | Orthosilicic acid concentration reported as milligrams silica (Si) per liter, determined by the molybdosilicate method with a spectrophotometer at wavelength 410 nm |
| Si2 | | Physical quantity | Orthosilicic acid concentration reported as parts per million as silica (Si), determined by inductively-coupled plasma optical emission spectrometry |
| B | | Physical quantity | Boron (total) concentration reported as parts per million boron (B), determined by inductively-coupled plasma optical emission spectrometry |
| Conduct | | Physical quantity | Specific conductance, µS/cm, determined using an Orion model 126 4-electrode conductivity cell or Fisher Accumet AR20 2-cell conductivity cell, or equivalent, and reported in microSiemens per centimeter at 20°C. |
