Journey · Water Data

Close a site water balance

Record what came in, what is stored, what was consumed and what was reused, then let Slate check whether the books balance.

Before you start

  • A facility and reporting year
  • Meter readings or invoices for intake; consumption and reuse estimates

By the end you'll have

  • A calculated balance with status Balanced, Review Required or Incomplete
  • A site water-intensity figure, where your units allow

About 20 minutes.

1. Add sources first

Inside a new analysis, open Sources and add each: municipal, groundwater, surface, harvested rainwater, recycled purchased, trucked, seawater or other. Intake records point to a source, so this comes first.

2. Record intake

Entry methodYou enterAlso required
Metered or Manual ReadingOpening and Closing reading, meter unitSource, date
Invoice Based or CalculatedA single VolumeSource, date
EstimatedA single VolumeSource, date, Estimation Notes

Estimation Notes are mandatory for estimates so a bare guess is never mistaken for a measurement.

3. Storage, consumption, reuse and discharge

  • Storage

    Name each tank, pond or reservoir, set capacity and water type, and record opening and closing inventory.

  • Consumption

    Use category, volume, and optionally production volume with its unit. The production figure is what feeds intensity.

  • Reuse

    The source stream (treated effluent, condensate, stormwater, greywater, blowdown), volume and, optionally, the receiving process.

  • Discharge

    Effluent leaving the site: destination, treatment level and quality. Optional, but when present Slate checks your entered consumption against intake minus discharge.

4. Run the calculation

Click Run Calculation on the analysis header. Records are aggregated and the earlier balance result is overwritten. The view switches to Balance & Intensity.

StatusMeaningNext step
BalancedIntake and storage account for consumption and reuse within toleranceDone
Review RequiredThe gap exceeds the toleranceLook for missing records or a wrong meter reading
IncompleteRequired inputs are missingAdd the missing section and recalculate

Intensity needs one unit

If every consumption record shares a production unit, you will see site-level and per-category intensity. Mixed units blank the figure rather than average incompatible numbers.

How the numbers are made

Where next