Passau Ilzstadt gauge Danube · km 2,225.2

Activity outlook

• 🚢 Shippingrestricted

  • ✓ no flood (below HSW)
  • ✗ not below mean low water (MNW)
  • ✓ level not high (below MHW)
• 🛶 Paddlingtake care

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

  • ✓ 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: low · 24 h trend: -4 cm

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)

• Canoe put-in 1.1 km
• Canoe put-in: Triftsperre 3 km
• Canoe put-in 3.5 km
• Canoe put-in 3.9 km
• Canoe put-in 4.4 km

Marinas (≤ 10 km)

• Marina: L4 1.9 km
• Marina: L1 2.1 km
• Marina: Liegeplatz für Sportboote 5 km
• Marina: MYC - Motor-Yacht-Club Passau 6.7 km

Locks (≤ 10 km)

• Lock: Donau 5.1 km

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

Long-distance cycle routes nearby

• Innradweg - Bayern 0.6 km
• Donauradweg - Abschnitt Deutschland 4 0.9 km
• EuroVelo 6 - Atlantik-Schwarzes Meer - Teil Deutschland - Bayern 0.9 km
• EuroVelo 7 - Sonnen-Route - Teil Österreich 1 km
• Donauweg (Oberösterreich) 1.9 km
• EuroVelo 6 - part Austria - leg 1 south 1.9 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: Bayern

Closed season today: Bachforelle, Aal, Lachs

Fishing rules Bayern →

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

Gauges up- and downstream

• ↑ upstream Erlau km 2,214.5 735 cm ▼ low
• ↑ upstream Achleiten km 2,223.1 240 cm ○ no thresholds
• ↓ downstream Passau Luitpoldbrücke Dfh km 2,225.8 – ○ no thresholds
• ↓ downstream Passau Donau km 2,226.7 387 cm ▼ low

Danube: gauges →

Records & flood chronicle

Highest on record (HHW)

1,279 cm · 3 Jun 2013

Lowest on record (NNW)

395 cm · 27 Mar 1972

Today vs. record

873 cm below HHW, 11 cm above NNW

Documented floods on this river (HANZE)

• 28 May 2013: river, 14 deaths, 9.2 bn € losses (2020 prices)
• 28 Mar 2006: river, 3 deaths, 149 m € losses (2020 prices)
• 11 Aug 2002: river, 27 deaths, 12.9 bn € losses (2020 prices)
• 5 Aug 2000: river, 2 deaths, 8 m € losses (2020 prices)

Flood chronicle Germany & Norway →

Water body status (EU Water Framework Directive)

• DONAU VON EINMUENDUNG VILS BIS EINMUENDUNG INN DERW_DEBY_1_F478
  Ecological potential: moderate (2018--2019) · Chemical: failing to achieve good · heavily modified/artificial
  Good status expected: after 2027
• ILZ VON ILZSTAU HALS BIS MUENDUNG DERW_DEBY_1_F623
  Ecological status: moderate (2018--2019) · Chemical: failing to achieve good
  Good status expected: after 2027
• INN VON INNSTAU PASSAUINGLING BIS MUENDUNG IN DIE DONAU DERW_DEBY_1_F509
  Ecological status: good (2018--2019) · Chemical: failing to achieve good

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