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Contract for the Supply of Hydroacoustic River Flow Instrumentation

Environment Agency · Central government

In brief

Environment Agency was looking for suppliers for this contract. Bidding has closed and no award has been published yet.

The estimated value is £0.40 excluding VAT.

The contract runs for 2 years, up to 3 years with extensions, starting 29 June 2026.

It is split into 4 lots, so a supplier can bid for part of the work.

The buyer says it is suitable for small and medium-sized businesses.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

The Authority is seeking to establish a two-year call-off framework with an optional one year extension for the supply of hydroacoustic instrumentation, associated software, and supporting services to enable accurate measurement of river discharge. Accurate river-flow data is critical to the Authorities’ ability to manage water resources, understand changing river conditions, support flood forecasting, and respond effectively to incidents. The framework will cover the supply and, where required, installation support of: - Lot 1 - Mobile boat or tether‑mounted velocity profilers - Lot 2 - Handheld wading measurement systems - Lot 3 - Short‑range fixed‑deployment velocity instruments - Lot 4 - Long‑range fixed‑deployment velocity instruments

Lots

LotTradeValue
Mobile boat or tether mounted velocity profilers
29 June 2026 to 28 June 2028
What this lot covers

Lot 1A — Shallow water mobile profiler  Minimum mandatory capability: reliable operation in shallow water, including depths at or below 0.2 m.  Suppliers shall state the tested minimum operable depth, velocity range and any limits.  Lot 1B — Deep water mobile profiler  Minimum mandatory capability: reliable operation to at least 20 m depth (greater depths are acceptable).  Suppliers shall state the tested maximum operable depth, velocity range and any limits.

—£0.10
Handheld Wading Measurement Systems
29 June 2026 to 28 June 2028
What this lot covers

Lot 2 is a single supplier Lot with no sublots. Instruments must be suitable for wading deployment at low to moderate depths (typical depths 0.05–1.0 m, or as otherwise defined).

—£0.10
Short-Range Fixed Deployment Velocity Instruments
29 June 2026 to 28 June 2028
What this lot covers

Lot 3 is a single supplier Lot with no sublots. Instruments will typically be deployed in channels with widths and depths up to around 5 m; suppliers may declare wider/greater operating ranges with evidence.

—£0.10
Long-Range Fixed Deployment Velocity Instruments
29 June 2026 to 28 June 2028
What this lot covers

Lot 4 is a single‑supplier Lot with no sub‑lots. Long‑range instruments typically cover measurement distances from 5 m to 50 m or more, depending on site geometry and the supplier’s proven capability.

—£0.10

Timeline

  1. Preliminary market engagement notice · UK2, notice 084584-2025
  2. Tender notice · UK4, notice 034304-2026

Last time this was bought

FDSIM of Ultrasonic River Flow Gauges 2025

Won by
Nivus UK Limited
Awarded
15 December 2025
Value
£4,680,000
Contract ends
1 January 2029

Matched on Environment Agency, the type of work and the title; it may be a related contract rather than the same one. Check the notice to be sure.

About the buyer

Environment AgencyLast 12 months

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Awards

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From notice 084584-2025 on Find a Tender, first published 18 December 2025, last updated 15 April 2026. We last checked for changes on 28 September 2026.