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Gauge Hagestein beneden: current water level and draft

Lek · km 947.11

Measurement86cm05:10 · −96 cm/24hRule of thumb—cmDraft—cm

Water level at the Hagestein beneden gauge

On 25/10/2026 at 05:10 the Hagestein beneden gauge read 86 cm, 96 cm lower than 24 hours earlier. Source: Rijkswaterstaat.

Gauge Hagestein beneden is on the Lek at kilometre 947.11, on the km 949.1–971.6 stretch.

Fairway depth and rule of thumb

The OLW is -37 cm and the fairway depth aimed for below it (TuOLW) is 315 cm; after a safety margin of 30 cm, the targeted official rule of thumb comes to Hagestein beneden +322.

In practice Hagestein beneden +338 is used here, +16 cm against the official rule.

Note that Rijkswaterstaat publishes an MGD (Minst Gepeilde Diepte, least sounded depth). It always takes precedence, and unlike in Germany, no legal rights can be derived from the official rule of thumb.

Forecasts and neighbouring gauges

This gauge has one forecast source: the 7-day forecast from Rijkswaterstaat RWsOS (red). Upstream lies Hagestein boven, downstream Schoonhoven.

Reference planes

The reference planes at the Hagestein beneden gauge, evaluated at the gauge's position.

  • OLW−0.37 m NAP
    OLW 2025
    Area: Lek benedenstrooms van stuw Hagestein (getijdenrivier)
    Source: Rijkswaterstaat; RWS Berekening OLW 2025 (CIV DMC, A. Baak, 5 Feb 2026); 2026-02-05
  • OLW−0.37 m NAP
    OLW 2025
    Area: Lek benedenstrooms van stuw Hagestein (getijdenrivier)
    Source: Rijkswaterstaat; RWS Berekening OLW 2025 (CIV DMC, A. Baak, 5 Feb 2026); 2026-02-05

OLW and MGD at Hagestein-Beneden

According to the report 'RUIMTE VOOR DE LEK', the guaranteed depth at OLW is 315 cm. In 2026, Rijkswaterstaat set the OLW at Hagestein Beneden at −0.37 m + NAP (OLW 2025). This corresponds to a maximum draft of 315 + 37 − 30 (safety margin) = 322 cm at NAP 0.

Rijkswaterstaat also guarantees the following: 'In the river reach Hagestein – Krimpen aan de Lek kmr. 946.850 – kmr. 989.200, at a water level Hagestein Beneden NAP +0.30 m, the MGD is 350 cm.' This implies a guaranteed MGD of about 320 cm at NAP 0.

Because it is permitted to assume the same draft as the published MGD (without an extra safety margin), one can infer that Rijkswaterstaat effectively includes a safety margin of around 30 cm in the MGD. Both approaches therefore converge to a similar maximum draft when using the same safety margin.
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