THE WELSH GOVERNMENT has launched a rapid-action taskforce to tackle nutrient pollution that has brought house building in Pembrokeshire and across west Wales to a standstill.

Announced by Mid and West Wales MS Eluned Morgan, the taskforce will bring together government, local authorities and Natural Resources Wales (NRW) to find practical solutions so housing developments can move forward.

The First Minister said the move reflects the Government’s “urgency and transparency” in dealing with the issue, while Eluned Morgan described it as “a crucial step in ensuring families can access much-needed housing while protecting our environment.”

She said: “This is about getting the balance right. We need to protect our unique environment, but we also need to make sure local people aren’t denied the homes they deserve.”

The taskforce will:

• Partner with NRW on fast, practical fixes.
• Review how rules and guidance can be made clearer and more flexible.
• Provide direct support to councils and developers to help get building underway.

Its first meeting is expected next week.

Why developments are on hold

The suspension of planning decisions was triggered after Natural Resources Wales issued updated conservation advice in July under the Habitats Regulations. Local Planning Authorities, including Pembrokeshire County Council and the Pembrokeshire Coast National Park Authority, halted consents in response.

NRW’s advice followed updated scientific assessments showing nitrogen levels in some Special Areas of Conservation (SACs) are too high, causing algal blooms and harming fish and invertebrate populations.

Two areas in west Wales were identified as being in “unfavourable condition”:

Upper Milford Haven Waterway — the inner estuary around Milford Haven, Pembroke Dock and Neyland, part of the Pembrokeshire Marine SAC. This includes estuary waters, reefs, mudflats, shallow bays and coastal lagoons.

Burry Inlet near Llanelli, part of the Carmarthen Bay and Estuaries SAC, covering the estuary and extensive mudflats and sandflats.

NRW’s investigations concluded that the main sources of nitrogen were diffuse agricultural runoff from farmland and farm infrastructure, alongside continuous sewage discharges from the water industry. The upper Milford Haven waterway is also officially designated by Welsh Government as a sensitive eutrophic area under wastewater regulations.

What NRW says

NRW stressed that it does not have the power to pause planning applications — the decision rests with local planning authorities — but it is legally bound to give conservation advice.

A spokesperson said: “Water quality challenges, particularly those caused by excess nutrients, are placing considerable pressure on our ecosystems. In some locations, excess nitrogen in marine protected areas requires targeted action to reduce pollution.

“We fully recognise the significant pressures facing Local Authorities, particularly around nutrient-related planning decisions. These are complex issues and we are meeting regularly to support planning officers, providing robust evidence, practical tools, and clear guidance.

“To conserve the long-term health of some of our most valued marine areas, we must work together and act decisively to both protect these vital ecosystems and enable sustainable development.

“NRW is working across sectors to reduce nutrient pollution. This includes targeted farm inspections, reviewing environmental permits, and advocating for record levels of investment in water company infrastructure.”

Mitigation measures

NRW has told councils that some small-scale developments may be exempt from the pause — such as domestic extensions, certain agricultural projects and schemes using private treatment systems.

For larger projects, mitigation must be secured. Options include:

• Package treatment plants.
• Sustainable drainage systems (SUDS).
• On-site nutrient reduction schemes.
• Agricultural land management changes.
• Construction-phase pollution controls.

A set of FAQs for planning officers is due to be published by the end of September.

NRW also continues to work with Dŵr Cymru Welsh Water on wastewater capacity and investment planning, and is pressing for “record levels of investment” through the national Price Review.

Political pressure

Conservative MS Samuel Kurtz has condemned the situation, accusing NRW and the Welsh Government of “blocking housebuilding” without consultation or a clear plan.

He said: “Local families need homes, and our economy relies on construction projects progressing. Decisions of this scale cannot be taken behind closed doors. This moratorium on housebuilding will have serious, long-term consequences for Pembrokeshire.”

The Welsh Government hopes the new taskforce will deliver rapid clarity for councils and developers, and unlock schemes stalled by the nutrient rules.

For now, however, the construction sector remains in limbo — caught between strict environmental law, local housing demand, and a political battle over who should bear responsibility.