Norwalk Wastewater Equipment Company (Norweco) is a manufacturer of water and wastewater treatment products, systems, and chemicals.  They specialize in small-flow treatment applications, ranging from municipal treatment systems for small towns and villages, all the way down to systems for the individual home.  Their products are designed to provide a high level of treatment in the most efficient, cost-effective manner.

Norweco places special focus on customer service, product innovation, research and development, regulatory cooperation, industry education and employee fulfillment.  They understand that each of these areas is critical to their continued success.

Norweco manufactures Bio-Max dechlorination tablets, a source of concentrated sodium sulfite for the removal of chlorine in water, wastewater, and process water.  The tablets can be utilized with Noweco's Bio-Dynamic tablet feeders in gravity flow applications, with field-constructed feed systems, or in conjunction with various brands of pressure-type feeders.

Compact LF Series Bio-Dynamic tablet feeders provide a strong chemical dose; ideal for on-site systems.

Compact Bio-Dynamic LF Series tablet feeders provide a chemical dose that is ideal for potable water and wastewater systems subject to high organic loading.  Manufactured from PVC for durability and easy installation, integral inlet and outlet hubs accept four or eight inch piping.  LF Series feeders are typically used for residential or small commercial on-site applications, stormwater treatment, or remote potable water systems.  Four different models are available to accommodate flows from 500 GPD through 400,000 GPD.


LF Series feeders range in length from 16 to 22 inches, and 7 to 12 inches in width.  The 24 inch tall, one piece feed tubes are designed to fit inside standard 4" PVC piping, allowing all LF Series feeders to be surface installed or direct buried.  For deeper installations, an optional remote feed tube removal system allows convenient feeder maintenance from grade.

Bio-Max dechlorination tablets provide a convenient to use source of concentrated sodium sulfite to instantly remove chlorine from wastewater, potable water, and process water.  Containing 92% sodium sulfite and 8% inert ingredients, Bio-Max dechlorination tablets assist plant operators in meeting stringent chlorine discharge limitations in a low cost, low maintenance, environmentally safe manner.  Formulated for use in all major gravity or pressure rated tablet feeders, several patent pending inert compounds are blended into Bio-Max tablets during production.  These compounds have a synergistic effect with the sulfite, resulting in a tablet with exceptional integrity and a precisely regulated dissolve rate.

Bio-Max tablets