Hydrochart — water chemistry plotter

1 · Data

⬆ Upload CSV ⬇ Download data template

Or edit rows by hand in the Data editor on the right.

2 · Columns (mg/L)

3 · Colour & label by

Colour points by

Label points

Palette

4 · Categories & colours

Tap a swatch to recolour. Untick to hide a category from the plot.

5 · Classification & display

Dominance threshold50%

Minimum meq-% for an ion to name the water type. Below it, the facies is “Mixed”.

Marker / line size5

Label text size1.0×

Label size scales the text inside the figure, including the SVG and PNG you export.

Diagram type

Piper Trilinear Diagram

meq/L basis · Hill (1940) construction

✎ Data editor (mg/L)

Click any cell to edit — sample name, group, or ion values. The plot and QA update as you type.

▦ Computed values & QA

CBE = (Σcations − Σanions) / (Σcations + Σanions) × 100. Analyses beyond ±5% are flagged for review.

Hydrochart Pro