Knock gauge Ems · km 50.8

Activity outlook

• 🚢 Shippingnot enough data

  • ✓ no flood (below HSW)
  • ✓ not below mean low water (MNW)
  • ✓ level not high (below MHW)
• 🛶 Paddlingnot enough data

  • ✓ no flood (below HSW)
  • ✓ level not high (below MHW)
  • ✓ not below mean low water (MNW)
  • ✗ change over 24 h ≤ 20 cm
• 🎣 Fishingnot enough data

  • ✓ no flood (below HSW)
  • ✓ level not high (below MHW)
  • ✗ change over 24 h ≤ 30 cm
• 🏊 Swimmingnot enough data

  • ✓ no flood (below HSW)
  • ✓ level not high (below MHW)
  • ? water temperature ≥ 15 °C
  • ? water temperature ≥ 18 °C
  • ✓ EU bathing site ≤ 5 km rated excellent/good
  • ✗ not a federal waterway with shipping

• Status: no thresholds · 24 h trend: -57 cm · Mahlbusen Vorfluterbecken Knock (Excellent, 2 km)

Calculated by fixed rules from official data. For orientation only – not a safety guarantee. Always check official warnings and conditions on site. See the rules

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Paddling: access points & locks

Put-ins and slipways (≤ 5 km)

• Slipway 3.1 km

Locks (≤ 10 km)

• Lock 6 km

Straight-line distance from the gauge. Entries from OpenStreetMap, not officially verified; check lock hours with the WSV.

Long-distance cycle routes nearby

• EuroVelo 12 - Nordseeküsten-Radweg - Abschnitt Deutschland 1.5 km
• Nordseeküstenroute (Niedersachsen-Niederlande-Bremerhaven) 1.5 km

EuroVelo, German D-network and other long-distance routes passing within 3 km of the gauge (straight-line distance to the nearest route point). Check the route and its condition locally.

Fishing: Niedersachsen

Closed season today: Bachforelle, Lachs

Fishing rules Niedersachsen →

State derived from the gauge location; on border waters check both states. Checked 2026-10-18

Gauges up- and downstream

• ↑ upstream Pogum km 35.3 558 cm ○ no thresholds
• ↑ upstream Emden Neue Seeschleuse km 40.5 562 cm ○ no thresholds
• ↓ downstream Dukegat km 65.7 572 cm ○ no thresholds
• ↓ downstream Emshörn km 74.3 577 cm ○ no thresholds

Ems: gauges →

Records & flood chronicle

Documented floods on this river (HANZE)

• 7 Feb 1946: river, 24 m € losses (2020 prices)

Flood chronicle Germany & Norway →

Water body status (EU Water Framework Directive)

• KNOCKSTER TIEF UNTERLAUF DERW_DENI_06024
  Ecological potential: poor (2018--2019) · Chemical: failing to achieve good · heavily modified/artificial
  Good status expected: after 2027

Official assessment of the water body at this gauge from the 2022 river basin management plans (WFD target: at least “good”). It rates the whole water body, not today’s water quality.

Location

Sources & licences

• Water level/Discharge/Water temperature: PEGELONLINE (WSV), DL-DE Zero 2.0
• Map: © OpenStreetMap contributors, OpenFreeMap