# getEffectiveWaterSamples

> Returns the water samples that count for derivations — every sample not retracted via corrects — sorted by collection instant (datetime) ascending, then sequence (absent = 0), then file order.

> **getEffectiveWaterSamples**(`well`): `WaterSample`[]

Returns the water samples that count for derivations — every sample not
retracted via `corrects` — sorted by collection instant (`datetime`)
ascending, then `sequence` (absent = 0), then file order.

## Parameters

### well

`Well`

## Returns

`WaterSample`[]