Question follow-through · 3762
Water Treatment
To ask the Secretary of State for Environment, Food and Rural Affairs, whether his Department has made an assessment of the potential merits of introducing of mandatory quaternary water treatment of wastewater.
About this written question
A written question asks a government minister for information in writing. Parliament publishes the question and any answer.
- Answering body
- Department for Environment, Food and Rural Affairs
- Tabled
- 2 Sept 2024
- Target answer date
- 4 Sept 2024
- Answer
- 10 Sept 2024 · 8 calendar days after tabling
Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.
More questions by this MP on Environment and energy
- Water Abstraction: Teddington · 3 Sept 2024
- River Thames: Reading · 10 Sept 2024
- River Thames: Reservoirs · 10 Sept 2024
- River Thames: Reading · 14 Oct 2024
- River Thames: Reservoirs · 14 Oct 2024
Shared topic keywords suggest a connection; they do not establish a follow-up.
Votes on this topic
- Taxation (Energy and Vehicles) Bill Committee: New Clause 5 · 1 Jul 2026
- Taxation (Energy and Vehicles) Bill Committee: New Clause 4 · 1 Jul 2026
- Taxation (Energy and Vehicles) Bill Committee: New Clause 2 · 1 Jul 2026
These Commons divisions share a topic label. The question did not necessarily lead to a vote.
Recorded timeline
2 Sept 2024
Question tabled
To ask the Secretary of State for Environment, Food and Rural Affairs, whether his Department has made an assessment of the potential merits of introducing of mandatory quaternary water treatment of wastewater.
4 Sept 2024
Target answer date
Date supplied by the official written-questions record.
10 Sept 2024
Answer published
Defra currently has no plans to introduce and make quaternary treatment mandatory for domestic wastewater treatment. Where it is deemed necessary as an additional wastewater treatment process, costs and benefits will be assessed, and stakeholder consultat...
Official data retrieved 27 Sept 2026.
Later records
Possible follow-up questions
Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.
Water Abstraction: Teddington
3 Sept 2024 · To ask the Secretary of State for Environment, Food and Rural Affairs, what recent discussions his Department has had with Thames Water on the definition of best value in the context of the Teddington DRA and Water Resource Management plan.
River Thames: Reading
10 Sept 2024 · To ask the Secretary of State for Environment, Food and Rural Affairs, what estimate his Department has made of volumetric river flow rates corresponding to the locations of each gauging station on the Thames from Reading to Kingston.
River Thames: Reservoirs
10 Sept 2024 · To ask the Secretary of State for Environment, Food and Rural Affairs, if he will make an estimate of the expected reservoir levels for each Lower Thames reservoir for drought events (a) 1:100 years, (b) 1:200 years and (c) 1:500 years.
River Thames: Reading
14 Oct 2024 · To ask the Secretary of State for Environment, Food and Rural Affairs, if he will publish the Environment Agency’s modelling of average (a) daily and (b) monthly volumetric river flow rates for each gauging station on the Thames from Reading to Kingston f
River Thames: Reservoirs
14 Oct 2024 · To ask the Secretary of State for Environment, Food and Rural Affairs, if he will publish the Environment Agency’s modelling of the average (a) daily and (b) monthly percentage of (i) usable and (ii) deployable capacity in each of the (A) Lower Lee Group
Rainforests: Amazonia
5 Feb 2025 · To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 14 January 2025 to Question 21168 on Amazonia: Rainforests, if he will provide a breakdown of the funding to the Andes-Amazon Biodiverse Landscape Fund.
Infrastructure: Coastal Areas and Rural Areas
25 Jun 2025 · To ask the Secretary of State for Environment, Food and Rural Affairs, what steps his Department is taking to fund (a) rural and (b) coastal (i) infrastructure and (ii) services.
Livestock: Animal Welfare
12 Nov 2025 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the potential merits of ending the use of (a) cages for hens and (b) farrowing crates for pigs.
Water: Meters
12 Feb 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what are the average cost differences between smart water meter bills and flatline bills.
Water Supply: Greater London
7 Jul 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the effectiveness of indirect potable reuse schemes in improving London’s water supply resilience.
Water Abstraction: Teddington
7 Jul 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what estimate she has made of the cost per megalitre of water produced over an eighty-year lifespan of Teddington Direct River Abstraction.
River Thames: Water Treatment
8 Jul 2026 · To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment she has made of the efficacy of an indirect potable reuse scheme which would take treated sewage from Mogden Sewage Treatment Works, process it using an advanced water