UNDERGROUND WATER & WASTE WATER TANKS, PUMP STATIONS & MANHOLES
Fibreglass Underground Tanks by Envirotank New Zealand are 100% Corrosion Proof

Underground storage tanks from 1000 to 110,000 litres that simply cannot rust - Inside or Out

Maskell have successfully supplied over 3,000 fibreglass underground storage tanks in New Zealand, Australia and the Pacific Islands.

The tanks are manufactured under license to Containment Solutions Inc, formerly Owens Corning Tanks, who have manufactured in excess of 250,000 tanks in the United States, dating back to 1964.

The tank technology is licensed worldwide, with manufacturers in over ten countries. Tanks are used for safe containment of wastewater, petroleum products, potable water and industrial chemicals where longevity and the prevention of ground contamination are paramount.

Maskell manufacture standard, underground tanks from 1,000L to 110,000L and project specific tanks / pipe systems in greater capacities. Capacities for pipe configurations to 5m diameter, limited only by site size.

Above ground storage tanks and bolted panel tanks are also manufactured for wastewater storage where burial is not suitable.

Multiple tank configurations are also used to reduce cleaning requirements in small pump station overflows through serial high/low connection of several tanks.

Fibreglass manholes and sumps are factory made in all fibreglass construction ready to be placed directly into the ground. The units are factory assembled, with inlets and outlets where possible. All factory joints are totally leak proof. Groundwater infiltration is not possible.