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Wisconsin Foxconn Technology Group development project

On October 4, 2017, Foxconn announced it will be locating its first U.S. manufacturing facility in the village of Mount Pleasant in Racine County. The Foxconn Technology Group (Hon Hai Precision Industry Co., Ltd.) is a multinational electronics manufacturing company headquartered in Taiwan. The company is the world's largest contract electronics manufacturer and the fourth-largest information technology company.

As required by law, prior to construction and operation of the new facility, Foxconn must work with the state on receiving the appropriate permits and follow state and federal standards, including but not limited to applicable air and water quality and solid and hazardous waste regulations. Also, Foxconn is subject to federal wetland permitting requirements and must properly mitigate any impact on wetlands.

The DNR will be working with Foxconn, local government officials and other state and federal agencies to ensure all applicable permit requirements are met, including consideration of any environmental impacts associated with any permits or approvals.

Wisconsin Act 58

In September 2017, the State Legislature passed 2017 Wisconsin Act 58 [exit DNR], authorizing the state to create an Electronics and Information Technology Manufacturing (EITM) Zone [PDF], within which Foxconn will be operating. The act also directed DNR to "ensure that the conditions of applicable permits, licenses, and approvals under the department's jurisdiction are met for all activities related to the construction, access, or operation of a new manufacturing facility within an electronics and information technology manufacturing zone designated under section 238.396 (1m) of the statutes, including but not limited to permits, licenses, and approvals required under [chapters 23 through 299] of the statutes and any associated rules promulgated by the department of natural resources."


Project site maps


Air permits

All project activities must comply with state and federal air standards. The DNR's Air Program is responsible for issuing air pollution control permits to manufacturing facilities in Wisconsin.

Permit status

The DNR has received the following permit applications for projects associated with the Foxconn facility.

  • AFE, Inc. - Training Facility - Permit Number 252284340-ROPA
    On October 20, 2017, DNR granted coverage under the Type A Registration Permit to AFE, Inc., a training facility for future Foxconn employees. View application and approval documents.
  • SIO International Wisconsin - Concrete Batch Plant - Permit Number 252286100-ROPB
    On April 10, 2018, DNR granted coverage under the Type B Registration Permit for a concrete batch plant. The facility will consist of two processing plants, a precast plant and a cast in place (CIP) plant. Aggregate material such as sand, gravel, admixtures and cement will be hauled to the batch plant by truck. This facility may provide concrete roadways, foundations and building structures for the construction of the Foxconn campus. View application and related documents.

    Note: A registration permit is a type of air permit that is issued to cover a category of facilities rather than to an individual facility. The Type A Registration permit covers the category of facilities defined as having air emissions that are less than 25% of the major source thresholds, which equals 25 tons per year for the criteria air pollutants. The Registration Permit sets facility-wide emission caps, requires covered facilities to comply with all applicable air pollution regulations and lists out monitoring, recordkeeping and reporting requirements.
Foxconn campus permits

The following information applies to four applications that are all considered part of the same project at a single facility (referred to as the Foxconn campus).

Public hearing and comments

On April 24, 2018, the DNR issued its final decision to issue the four air pollution control permits for the Foxconn main campus facilities.

A public hearing was held on Tuesday, April 3, 2018, in Sturtevant, Wisconsin. Department staff held an open house and informal question and answer session prior to the hearing.

  • AFE Inc/SIO International - Flat Panel Display Fabrication Facility - Permit Number 18-JJW-036
    On March 2, 2018, DNR received an application for construction of the Fabrication Plant, including the main flat panel display fabrication facility and ancillary operations. The DNR issued the construction permit on April 24, 2018. The Fabrication Plant will manufacture thin-film-transistor liquid crystal displays (TFT-LCD). The department's approval includes ancillary operations associated with the Fabrication Plant including: the purified water plant; wastewater treatment plant; liquid chemical receiving, storage and dispensing; and gas receiving, storage and dispensing areas. View application and final documents.
  • AFE Inc/SIO International - Nitrogen Plant - Permit Number 18-JJW-022
    On February 2, 2018, DNR received an application for construction of a Nitrogen Generation Plant. The DNR issued the construction permit on April 24, 2018. The Nitrogen Plant will be an air separation unit that produces gaseous and liquid nitrogen as well as gaseous and liquid oxygen and liquid argon. The gaseous and liquid products will be produced through cryogenic distillation and refrigeration of air that has been compressed and purified via an adsorption system. Pipelines will supply the products to various parts of the Campus. View application and final documents.
  • AFE, Inc./SIO International - Energy Facility - Permit Number 18-JJW-017
    On January 26, 2018, DNR received an application for construction of an Energy Facility. The DNR issued the construction permit on April 24, 2018. The Energy Facility will include the Phase 1 energy plant, Phase 2 energy plant and power substation. The Energy Facility will provide heating, cooling and process steam to the Fabrication Plant. The power substation will house emergency generators, which will provide back-up power during power outages. View application and final documents.
  • AFE, Inc. - Liquid Crystal Module (LCM) Assembly Plant - Permit Number 17-JJW-207
    On December 22, 2017, DNR received an application for AFE, Inc - Liquid Crystal Module (LCM) Assembly Plant. The DNR issued the construction permit on April 24, 2018. View application and final documents.
  • AFE, Inc./SIO International - Multipurpose Facility - Permit Number 18-JJW-117
    On August 28, 2018, DNR received an application for construction of a multipurpose building. The multipurpose building will consist of 10 small natural gas-fired heating units, 44 natural gas-fired air curtain heating units, three 250-kw natural gas-fired emergency generators and the use of solvents to repair and clean electronic tool components. The application, analysis and draft permit are available for public comment through October 9, 2018. A public hearing will be held at 4 p.m. on September 25, 2018, at the Gateway Technical College SC Johnson iMET Center, 2320 Renaissance Boulevard, Sturtevant, WI 53177. View application and draft documents.

Storm water

Storm water

All project activities must comply with state and federal storm water and floodplain standards.

Foxconn must obtain construction and industrial storm water permits for its manufacturing campus site.

Construction site permits

The construction site permit requires landowners to install practices to help decrease the amount of sediment that pollutes Wisconsin's waterways from construction projects. Erosion control practices help decrease the amount of sediment that runs off during a storm event.

On Tuesday April 2, 2018, Foxconn submitted a construction site storm water permit application for coverage under Storm Water Runoff General Permit No. WI-S067831-5 [PDF]. The DNR will review and act on Foxconn's application within 14 working days from April 3, 2018. Coverage under the permit is limited to 3 years, but can be renewed.

On April 23, 2018, the DNR issued a letter granting coverage under Construction Site Storm Water Runoff General Permit No. WI-S067831-5 [PDF] to Foxconn, following the company's April 2, 2018, application. The permit review included ensuring compliance with regulations applicable to potential impacts to endangered/threatened species, historical/archaeological sites and wetlands. Foxconn developed construction site erosion control and post-construction storm water management plans describing the best management practices it would employ for on-site storm water control.

Industrial storm water permits

To further protect the quality of surface waters, wetlands and groundwater, after constructing elements of its manufacturing campus (the Wisconn Valley Science and Technology Park), and prior to beginning operations, Foxconn must obtain industrial storm water permit coverage.

On Tuesday April 3, 2018, Foxconn submitted a notice of intent for coverage under an Industrial Storm Water Discharge General Permit. The DNR will review and act on Foxconn's application prior to the start of industrial operations.

Additional reports

The Southeastern Wisconsin Regional Planning Commission (SEWRPC) released a report on June 11, 2018, addressing storm water quantity management in the Des Plaines River watershed portion of the EITM zone. The report concludes that the village of Mount Pleasant storm water ordinance is sufficient to address increased runoff rates and volumes from development of that portion of the EITM zone with no anticipated increase in downstream flood flows.


Water use

Water use

The city of Racine and Racine Water Utility have submited a straddling community diversion application to the department. Diversions of Great Lakes water are regulated under the Great Lakes Compact. The proposed diversion area includes the portion of the village of Mount Pleasant that is in the Mississippi River basin - including the area identified by Racine County as the future site of the Foxconn facility.

The application and related materials are available on the Racine diversion page.



Foxconn has indicated that it intends to discharge wastewater to the city of Racine's wastewater treatment plant. Therefore, the city, as an authorized pretreatment authority, will be the control authority. The state will provide oversight through audits, inspections and review of reports.

Federal and state law requires large municipal wastewater plants, such as Racine's, to regulate their local contributing industries. The Racine wastewater treatment plant is in turn regulated by the DNR's pretreatment program through a WPDES permit. The DNR's pretreatment program protects discharges to Wisconsin waters via publically owned treatment works (POTWs).

Zero Liquid Discharge (ZLD) proposal

On June 19, 2018, Foxconn announced that it will implement Zero Liquid Discharge (ZLD) wastewater treatment technology at its manufacturing facility in Mount Pleasant. This wastewater treatment technology recycles almost all water from a facility and would therefore further decrease Foxconn's water use demand and eliminate the return of any manufacturing process wastewater to Lake Michigan. When the ZLD system is in operation, the only Foxconn-related wastewater return flow to Lake Michigan would be domestic wastewater from its commercial operations, which will be treated at Racine's wastewater treatment facility to meet state and federal standards.

The DNR will review Foxconn's ZLD proposal to ensure compliance with all environmental permitting standards.



Under 2017 Wisconsin Act 58, manufacturing projects in the project area are exempt from Wisconsin state wetland permits and project proponents must mitigate all wetland impacts at a 2:1 ratio. This means that Foxconn must replace two acres of wetland for each wetland acre adversely impacted.

The U.S. Army Corps of Engineers (ACOE) [exit DNR] regulates the discharge of dredged or fill material into certain wetlands in the state. Discharges of dredged or fill material into federal wetlands would require a federal permit.

The areas delineated for the proposed Foxconn site encompass about 1,400 acres, and are labeled as Area A, Area B and Area C in the map below.

Map of the proposed Foxconn Site Areas A, B and C.
Map showing U.S. Army Corps of Engineers (ACOE) wetland delination areas A, B and C of the proposed Foxconn site.


On April 16, 2018, Foxconn submitted a Wetland Compensatory In-Lieu Fee proposal package [PDF] to the DNR.

A total of 16.64 wetland acres were delineated on the project site for Phase 1 of the Foxconn development in the eastern portion of Section 31 and all of Section 32, T3N R22E in the village of Mount Pleasant in Racine County. The U.S. Army Corps of Engineers did not assert federal jurisdiction over any of those 16.64 wetland acres.

Under Wis. Stat. ยง281.36 (4m), impacts to wetlands in an Electronics and Information Technology Manufacturing Zone (EITM) are exempt from state wetland permitting requirements, but must be mitigated at a 2 to 1 ratio. Foxconn has chosen to mitigate wetland impacts for the first phase of its development through the department's in-lieu fee program (Wisconsin Wetland Conservation Trust).

Foxconn has paid the department $2,037,020 to fulfill its mitigation obligation for the 16.64 delineated acres. On April 25, 2018, the department issued a letter confirming that this project is eligible for the EITM zone exemption [PDF] and acknowledging receipt of the in-lieu fee funds to mitigate impacts to the 16.64 acres on the project site.

Last revised: Monday September 17 2018