International Ingredient Corp. - Wastewater Permit
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We invite you to comment on the draft industrial wastewater permit for International Ingredient in Lake City.
International Ingredient is located at 36414 County Road 31 in Lake City, Wabasha County. This facility processes dried cheese scraps and bacon grease to produce additives for pet food on a year-round basis. Additives to the cheese can include whey, flour, disodium phosphate, and annatto.
The facility operates its own treatment and disposal system for plant cleanup water. The wastewater treatment system consists of a sand trap, grease trap, a 2.6 acre aerated pond, and a 12.5 acre spray irrigation field. The facility is not authorized to discharge pond water or spray irrigation runoff to surface waters.
Sanitary wastewater, along with boiler wastewater and wash water, is discharged to a separate septic tank/drainfield system. Industrial stormwater discharge is permitted to discharge to two separate stormwater outfalls.
The draft wastewater permit includes changes such as adding two stormwater sampling locations, new pond monitoring requirements, and decreased spray irrigation sites. The frequency of monitoring also increased from monthly to weekly for this waste stream. Lysimeter monitoring was removed from the permit. A compliance schedule is included in the permit to install and make operational, spray irrigation zones 3 and 4 by May 1, 2027.
Wastewater from industrial and commercial sources may contain pollutants at levels that could adversely affect the water quality in area wetlands, streams, rivers, and lakes. Water quality permits - or National Pollutant Discharge Elimination System (NPDES) permits - establish specific limits and requirements to protect Minnesota's surface and groundwater quality. All wastewater must be treated before it goes into surface water to protect human health and aquatic life. Permits are regularly reviewed and updated as they expire, allowing the MPCA to incorporate new information about the impacts of pollutants on the environment in future permits.
We invite you to comment on the draft industrial wastewater permit for International Ingredient in Lake City.
International Ingredient is located at 36414 County Road 31 in Lake City, Wabasha County. This facility processes dried cheese scraps and bacon grease to produce additives for pet food on a year-round basis. Additives to the cheese can include whey, flour, disodium phosphate, and annatto.
The facility operates its own treatment and disposal system for plant cleanup water. The wastewater treatment system consists of a sand trap, grease trap, a 2.6 acre aerated pond, and a 12.5 acre spray irrigation field. The facility is not authorized to discharge pond water or spray irrigation runoff to surface waters.
Sanitary wastewater, along with boiler wastewater and wash water, is discharged to a separate septic tank/drainfield system. Industrial stormwater discharge is permitted to discharge to two separate stormwater outfalls.
The draft wastewater permit includes changes such as adding two stormwater sampling locations, new pond monitoring requirements, and decreased spray irrigation sites. The frequency of monitoring also increased from monthly to weekly for this waste stream. Lysimeter monitoring was removed from the permit. A compliance schedule is included in the permit to install and make operational, spray irrigation zones 3 and 4 by May 1, 2027.
Wastewater from industrial and commercial sources may contain pollutants at levels that could adversely affect the water quality in area wetlands, streams, rivers, and lakes. Water quality permits - or National Pollutant Discharge Elimination System (NPDES) permits - establish specific limits and requirements to protect Minnesota's surface and groundwater quality. All wastewater must be treated before it goes into surface water to protect human health and aquatic life. Permits are regularly reviewed and updated as they expire, allowing the MPCA to incorporate new information about the impacts of pollutants on the environment in future permits.
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