General NPDES Permits

Types of Permits

There are three types of NPDES permits- individual permits, general permits and "permit by rule." The DEQ Water Resources Division staff determines the appropriate permit type for each surface water discharge.

An individual NPDES permit is site specific. The limitations and requirements in an individual permit are based on the permittee's discharge type, the amount of discharge, facility operations (if applicable), and receiving stream characteristics.

A general permit is designed to cover permittees with similar operations and/or type of discharge. General permits contain effluent limitations protective of most surface waters statewide. Locations where more stringent requirements are necessary require an individual permit. Facilities that are determined to be eligible to be covered under a general permit receive a Certificate of Coverage (COC).

"Permit-by-rule" denotes that permit requirements are stated in a formally promulgated administrative rule. A facility requiring coverage under a "permit-by-rule" must abide by the provisions written in the rule. Instead of applying for an NPDES permit, the facility submits a form called a Notice of Coverage (NOC). 

The issuance of an NPDES permit or certificate of coverage does not authorize violation of any federal, state or local laws or regulations, nor does it obviate the necessity of obtaining such permits, including any other DEQ permits, or approvals from other units of government as may be required by law.

General Permits

The following list includes all issued general permits at the time this page was updated. Permits can be downloaded, and then read or printed using Adobe Reader.

 

Permit Number

Permit Title

Description of Coverage

M0G140000 (issued January 31, 2017)

-and-

MIG140000 (expired January 1, 2017)

Ballast Water Control Port Operations and Ballast Water Discharges

General permit coverage authorizes oceangoing vessels to engage in port operations.  Port operations include fueling, loading and off-loading cargo and loading and un-loading passengers.  Permit coverage authorizes ballast water discharges provided the discharge is in compliance with one or more of the ballast water treatment conditions and all other requirements contained in the permit.

MIG033000 (issued Jan. 31, 2017)

-and-

MIG033000 (expired Feb. 1, 2017)

Forest Canopy Pest Control

For the application of a pesticide to a forest canopy to control the population of a pest species (e.g., insect or pathogen) where, to target the pests effectively, a portion of the pesticide unavoidably will be applied over and deposited to water.

MIG030000 (issued Jan. 31, 2017)

-and-

MIG030000 (expired Feb. 1, 2017)

Mosquito and Other Flying Insect Pest Control

Authorization to control public health/nuisance and other flying insect pests that develop or are present during a portion of their life cycle in or above standing or flowing water. Public health/nuisance and other flying insect pests in this use category include mosquitoes and black flies.

MIG032000 issued Jan. 31, 2017)

-and-

MIG032000 (expired Feb. 1, 2017)

Nuisance Animal Control and Fish Reclamation

Authorization to use pesticides to control animal pests in water and at water's edge. Animal pests in this use category include fish, lampreys, insects, mollusks, and pathogens.

MIG031000 (issued Jan. 31, 2017)

-and-

MIG031000 (expired Feb. 1, 2017)

Nuisance Plant and Algae Control

Authorization to use pesticides to control weeds, algae, and pathogens that are pests in water and at water's edge, including ditches and/or canals.

MIG019000 (expired April 1, 2015)

and

MIG010000 (effective April 30, 2015)

Concentrated Animal Feeding Operations

Animal Feeding Operations that request coverage from the Department.  Permit requires implementation of a comprehensive nutrient management plan (CNMP).  Authorized discharges:  overflow of process wastewater, production area wastewater and/or manure, and silage leachate and runoff when certain conditions are met; and, runoff from precipitation events from land application areas managed in accordance with the CNMP.

MIG080000 (effective April 1, 2015)

Wastewater from Cleanup of Water Contaminated by Gasoline & Related Petroleum Products

Discharges associated with wastewaters contaminated with gasoline and/or related petroleum product. Does not include non-petroleum groundwater cleanups.

MIG490000 modified June 16, 2015)

Sand and Gravel Mining Wastewater

Discharges of sand and gravel mining wastewater, including mine dewatering water and process generated wastewater.

MIG570000 (issued June 16, 2015 and modified on Feb. 23, 2017)

Secondary Treatment Wastewater

Discharges of treated sanitary wastewater which have been treated using secondary treatment processes and comply with applicable secondary treatment regulations at 40 CFR 133.102.

MIG640000 effective April 1, 2015)

Wastewater Discharge from Municipal Potable Water Supply

Discharges associated with the production of potable water, including wastewater from the following types of potable water treatment facilities: iron and manganese removal, micro-filtration, chemical softening, coagulation/sedimentation with filter backwash storage/treatment, and coagulation/sedimentation without filter backwash storage/treatment.

MIG760000 (effective April 1, 2015)

Public Swimming Pool Wastewater

Discharges of wastewater associated with the operation and maintenance of public swimming pools, including pool overflow, periodic pool drainage, and treated pool filter backwash.

MIG960000 (effective April 1, 2015)

 Land Application of Biosolids

Land application of biosolids.  This permit is limited to facilities that generate biosolids which are applied to the land in bulk.

MIS040000

Storm Water Discharges from Municipal Separate Storm Sewer Systems (MS4s) - Jurisdictional General Permit

Direct or indirect point source discharges of storm water and non-storm water throughout the federally designated urbanized area of a municipality that has requested coverage under this general permit.  Best management practices are required for storm water pollution control.

MIG619000

Storm Water Discharges from Municipal Separate Storm Sewer Systems (MS4) - Watershed General Permit

Direct or indirect point source discharges of storm water and non-storm water throughout a watershed basin from jurisdictions which have requested coverage under this watershed general permit.

MIG250000 (effective April 1, 2013)

Non Contact Cooling Water

Discharges of noncontact cooling water which complies with the temperature requirements of the Part 4 Rules of the Michigan Act 451.

MIG670000 (expires April 1, 2018)

Hydrostatic Pressure Test Water 

Discharges from the hydrostatic pressure testing of new and existing piping, tanks, vessels and other associated equipment which have been physically cleaned and/or provided with effluent treatment. This permit also covers other discharges of similar short-term duration and discharge quality, such as: prover loop water; tank and/or meter calibration water; and flushing, testing and/or disinfection of potable water systems.

MIG580000 (effective April 1, 2014 & modified Oct. 2, 2014)

Wastewater Stabilization Lagoons

Wastewater stabilization lagoons that discharge seasonally. Aerobic lagoons, both mechanically aerated and non-mechanically aerated, which discharge treated sanitary wastewater are included.

MIS110000 (expired April 1, 2016) 

and

MIS110000 (effective April 1, 2016)

Storm Water Discharges Not Associated with Special-Use Areas For Cycle-Year 1 Watersheds

Discharges of storm water (and specified non-storm water) to surface waters of the state located within a cycle-year 1 watershed.

MIS120000 (effective April 1, 2016)

Storm Water Discharges Associated with Special-Use Areas for Cycle-Year 1 Watersheds

Facilities which discharge storm water to surface waters of the state located within a cycle-year 1 watershed. Applicable discharges include storm water from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS210000 expired April 1, 2017)

and

MIS210000 (effective April 1, 2017)

Storm Water Discharges Not Associated with Special-Use Areas for Cycle Year 2 Watersheds

Discharges of storm water (and specified non-storm water) to surface waters of the state located within a cycle-year 2 watershed.

MIS220000 (effective April 1, 2017)

Storm Water Discharges Associated with Special-Use Areas for Cycle-Year 2 Watersheds

Facilities which discharge storm water to surface waters of the state located within a cycle-year 2 watershed. Applicable discharges include storm water from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS320000 (effective April 1, 2013)

Storm Water Discharges with Required Monitoring- Cycle-Year 3 Watersheds

Facilities which discharge storm water to surface waters of the state located within a cycle-year 3 watershed. Applicable discharges include storm water from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS310000 (effective April 1, 2013)

Storm Water from Industrial Activities in Cycle Year 3 Watersheds

Discharges of storm water (and specified non-storm water) to surface waters of the state located within a cycle-year 3 watershed.

MIS310000 (effective April 1, 2018) Storm Water Discharges Not Associated with Special-Use Areas for Cycle Year 3 Wastersheds Discharges of storm water (and specified non-storm water) to surface waters of the state located within a cycle-year 3 watersheds.
MIS320000 (effective April 1, 2018) Storm Water Discharges Associated with Sepcial-Use Ares for Cycle Year 3 Watersheds Facilities which discharge storm water to surface waters of the state located within cycle-year 3 watersheds.  Applicable discharges include storm water for which the Department as determined additional monitoring is needed from secondary containment structures required by state or federal law; from lands on Michigan's List of Sites of Environmental Contamination pursuant to Part 201, Environmental Remediation, of the NREPA; or from areas with other activities that may contribute pollutants to the storm water. 

MIS410000 (effective April 1, 2014)

Storm Water from Industrial Activity without Required Monitoring in Cycle-Year 4 Watersheds

This general permit authorizes storm water discharges to surface waters of the state located within a cycle-year 4 watershed. The applicability of this general permit is limited to storm water discharges: associated with industrial activity as defined in the federal storm water regulations, from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS420000 (effective April 1, 2014)

Storm Water Discharges with Required Monitoring- Cycle-Year 4 Watersheds

Facilities which discharge storm water to surface waters of the state located within a cycle-year 4 watershed. Applicable discharges include storm water from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS510000 (effective April 1, 2015)

Storm Water Discharges Not Associated with Special-Use Areas For Cycle-Year 5 Watersheds

Discharges of storm water (and specified non-storm water) to surface waters of the state located within a cycle-year 5 watershed.

MIS520000 (effective April 1, 2015)

Storm Water Discharges Associated with Special-Use Areas for Cycle-Year 5 Watersheds

Facilities which discharge storm water to surface waters of the state located within a cycle-year 5 watershed. Applicable discharges include storm water from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.

MIS710000

Storm Water From Municipally Operated Industrial Activity

Municipal wastewater treatment plants and other municipally owned industrial facilities that discharge storm water (and specified non-storm water) to surface waters of the state.  This permit allows discharge authorization following the end of the ISTEA Moratorium.

MIS720000

Storm Water From Municipally Operated Industrial Facilities With Required Monitoring

Municipal wastewater treatment plants and other municipally owned industrial facilities that discharge storm water to surface waters of the state from secondary containment structures required by State or Federal law, from lands on Michigan's List of Sites of Environmental Contamination, or from other activities which may contribute pollutants to the storm water for which the Department determines monitoring is needed.  Specified non-storm water discharges may be authorized.  This permit allows discharge authorization following the end of the ISTEA Moratorium.