At A Glance:
- Location: Pembrokeshire
- Client: Henllan Farm
- Consultant: Conor O'Sullivan Engineer
- Contractor: Conor O'Sullivan Engineer
Products Supplied:
- Models supplied:
1no. TS400 48,400L CR Lined



Henllan Farms Ltd, located in Carmarthenshire, Wales, operates as a traditional UK dairy farm focused on cattle rearing and milk production. The farm forms part of the region’s long-established agricultural landscape, where efficient land use and environmental responsibility are essential to maintaining productivity and compliance. The business, incorporated in 2002, specialises in raising dairy cattle and agricultural production.
Like many dairy operations, the farm requires robust infrastructure to manage silage effluent and liquid waste streams safely and efficiently.
The Challenge
Dairy farms generate significant volumes of silage effluent and contaminated water, particularly during:
- Silage storage and fermentation
- Yard washdown and rainfall runoff
- Seasonal peak feeding periods
Without proper containment, these liquids can, pose environmental risks (soil and water contamination), create compliance challenges with environmental regulations, which can lead to operational inefficiencies and loss of valuable nutrients.
Henllan Farms required a reliable, long-term storage solution that would support both environmental protection and efficient farm management.
The Solution: SPEL Tankstor Installation
To address these challenges, a SPEL Tankstor 400 Series tank (48,400L, CR-lined) was supplied to the site.
The SPEL Tankstor system is a below-ground GRP storage tank, which has been specifically designed for agricultural and environmental applications much like this one. The key benefits of our SPEL Tankstor tanks include high durability, covered by our SPEL 25 Year Tank Shell Warranty, and the additional option of a chemical-resistant liner.
The CR lining provides enhanced protection against corrosive silage effluent, ensuring the tank remains structurally sound even under demanding conditions.
Why a SPEL Tankstor was the best option:
- Environmental Protection & Compliance
The SPEL Tankstor provides secure containment of silage effluent, helping the farm:
- Prevent groundwater and soil contamination
- Meet environmental regulations and best practice standards
- Reduce risk of pollution incidents
This is increasingly important for dairy farms operating under strict UK environmental guidelines.
- Improved Operational Efficiency
By installing a high-capacity 48,400L tank, the farm benefits from, reliable storage during peak production periods, reduced need for frequent emptying, and better management of effluent flows across the site. This allows farm staff to focus on core operations rather than reactive waste handling.
- Long-Term Durability
The SPEL Tankstor with CR lining ensures:
Resistance to aggressive silage acids, minimal maintenance requirements, and extended lifespan compared to alternative solutions. This makes the SPEL Tankstor a cost-effective long-term investment.
Project Outcome
The installation of the SPEL Tankstor system has provided Henllan Farms with a robust, compliant, and future-proof effluent management solution.
By investing in high-quality infrastructure, the farm is better equipped to:
- Maintain environmental standards
- Improve day-to-day operational efficiency
- Support sustainable dairy production
For modern dairy farms like Henllan Farms Ltd, effective effluent management is essential, not only for compliance but for long-term operational success.
The SPEL Tankstor 400 Series (48,400L, CR lined) delivers a solution that supports both productivity and environmental stewardship, making it an ideal choice for agricultural applications, whilst maintaining our Life in Water mission so improve water quality.



