The State of Jersey
The Hard Facts — “New Sewage Tax is Coming”!
Population Growth a Driving Factor
Jersey’s Proposed Sewage Tax: Population Growth and Ageing Infrastructure Behind the New Charge
“Jersey Under Pressure: Over 105,000 Residents, Flooded Streets, and Taxpayers Paying the Price! It’s Time for Strict Population Controls to Save Our Countryside and Way of Life.”
By The Team
Jersey | 4th November 2025
“Jersey’s population has surged past 105,000, but our infrastructure was only designed for 90,000. The result? Flooded streets, overburdened services, and taxpayers forced to foot the bill for two decades of failed government policies. It’s time to act: Jersey needs a strict population policy to protect our countryside, safeguard our way of life, and stop this reckless growth before it’s too late.”
Overview
Jersey’s government is seriously considering introducing a liquid waste charge — quickly nicknamed a “sewage tax” — to fund major upgrades to the island’s ageing drainage and treatment systems. Officials say the network is nearing capacity and that population growth, rapid housing development, and years of under-investment have created an unsustainable situation.
The proposed charge could raise around £10 million a year to help fill a funding gap of more than £55 million, identified in the government’s Bridging Liquid Waste Strategy 2023–26.
Why Now: The Pressure of Population Growth
Jersey’s population has climbed steadily for decades, outpacing investment in underground infrastructure.
2021 Census: 103,267 residents — up 4% from 2011
Projection: Up to 110,000 by 2035, if current trends continue, many believe it is above this figure already.
Concentration: Most growth is in St Helier, St Saviour and St Brelade — areas where drainage systems are oldest and most overloaded.
As more people move in, wastewater volumes rise and rainfall runoff increases due to urban densification. The existing sewers, many built in the mid-20th century, were never designed for modern population levels or climate-change-driven rainfall patterns.
“The existing infrastructure, much of which is over 70 years old, was not designed for today’s population levels, let alone future growth.”
— Government of Jersey, Liquid Waste Strategy Review (2023)
Housing and Development Pressure
The Bridging Island Plan envisions over 4,000 new homes by 2030. Each one needs a drainage connection — and right now, that’s often the bottleneck.
Officials warn that unless more funding is secured, new housing projects could be delayed because the sewage system simply cannot take additional load.
What the “Sewage Tax” Would Do
The “sewage tax” isn’t technically a tax in the legal sense — it’s a user-pays charge designed to generate dedicated income for waste-infrastructure upgrades.
Key Facts
Feature Detail Purpose Fund sewage network upgrades and maintenance Estimated revenue £10 million annually Likely start date After 2027 (following consultation) Possible billing method Added to the Island-wide rate or included on parish rate bills Coverage Domestic and business properties — final scope undecided Consultation timeline Expected late 2026 or early 2027
The proposal follows similar “user-pays” models used for waste collection and recycling in other jurisdictions. However, ministers have stopped short of promising that domestic homes will be exempt — meaning homeowners may eventually see it added to their annual parish rates.
How Much Could It Cost Households?
While final figures are still unknown, various models give a sense of the scale:
Scenario Assumption Approx. annual cost per household Flat-rate charge £10 million spread across 40,000 households £250 Scaled charge Smaller homes £150 / Larger homes £350 £150–£350. Phased rollout Businesses first, households later £100–£200 Full cost-recovery Modelled internal figure £220–£250
These numbers could shift depending on whether commercial users shoulder more of the cost or if exemptions are introduced for low-income households.
Public Reaction
Reaction so far has been mixed. Few dispute the need for investment, but many question how fairly the burden will be shared.
Tax fatigue – Islanders already face high living costs and worry about another household bill.
Fairness concerns – Some argue new developments should pay more, since they’re driving the demand.
Transparency – Residents want assurance that the revenue will be ring-fenced for sewage and drainage only.
Environmental and Economic Stakes
If Jersey delays investment, experts warn that ageing pipes and over-capacity sewers could lead to:
More surface-water flooding during storms
Pollution incidents in sensitive coastal waters
Planning restrictions on new housing projects
Conversely, upgrading the network could:
Support future housing growth
Reduce environmental risk
Improve resilience against climate-driven rainfall events
What Happens Next
Consultation: Expected in late 2026 or early 2027
Draft legislation: To be debated by the States Assembly thereafter
Implementation: Possibly around 2028, depending on political approval and billing systems
Infrastructure Minister Andy Jehan has said he prefers to use the Island-wide rate as a simple and transparent collection mechanism, rather than creating a separate billing system.
The Bottom Line
Jersey’s “sewage tax” debate goes far beyond a single charge. It reflects a deeper challenge: how to fund infrastructure for a growing population on a small island with finite resources.
Population growth, urban density, and climate pressures are stretching systems built for a smaller island. The question is no longer whether Jersey will pay for better sewage infrastructure — but how.
Key Takeaways
✅ Jersey’s population has outgrown its mid-century sewage system
✅ Government needs £55 million+ for upgrades between 2023–26
✅ A “liquid waste charge” could raise £10 million per year
✅ Consultation expected by 2027 — introduction around 2028
✅ Likely household cost: £150–£300 per year (but we all know that will just be the start)