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EPA orders 3 Visalia plants to cut salt in wastewater

The U.S. Environmental Protection Agency has ordered three manufacturing companies with plants in Visalia to clean up polluted wastewater discharges.

The wastewater goes into the city’s sanitary sewer system and eventually flows into Mill Creek, contributing to salt buildup in San Joaquin Valley agricultural lands, the EPA said.

Univar USA, Inc. a distributor of industrial chemicals, treats process-related wastewater from its Sunnyview Avenue plant. But over the past five years it exceeded the local limit for electrical conductivity, a measure for dissolved salt content, and cadmium and zinc. In April, the company informed the EPA it had complied.

Advanced Food Products, LLC on East Noble Avenue, a producer of processed cheese sauce, exceeded the limit for electrical conductivity, oil and grease, total suspended solids, cadmium and pH range. It must comply by Nov. 16.

Milk Specialties Global, which makes products from raw milk, exceeded limits for electrical conductivity, oil and grease, biochemical oxygen demand, total suspended solids and acidic wastewater. It is investing $3.5 million in upgrades and must comply by Jan. 31, 2016.

Lewis Griswold: 559-441-6104, @fb_LewGriswold

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