The industrial districts are established to provide locations for industrial land uses engaged in the production, processing, assembly, manufacturing, packaging, wholesaling, warehousing or distribution of goods and materials. Regulations are established to accommodate industrial development while maintaining compatibility with surrounding areas.

(Ord. No. 99-20, § 1, 11-23-99)

The Industrial District names are as follows:

I-P, Industrial Park District

I-1, Light Industrial District

I-2, Heavy Industrial District

(Ord. No. 99-20, § 1, 11-23-99)

(A)

In general. All permitted and conditional uses allowed in the industrial districts are listed in Table 12-1.

(B)

Permitted uses. Uses specified with a "P" are permitted in the district or districts where designated, provided that the use complies with all other applicable provisions of this ordinance. Persons wishing to establish a permitted use shall obtain a zoning certificate for such use as specified Sections 2-190 through 2-250.

(C)

Conditional uses. Uses specified with a "C" are allowed as a conditional use in the district or districts where designated, provided that the use complies with all other applicable provisions of this ordinance. Persons wishing to establish or expand a conditional use shall obtain a conditional use permit for such use as specified in Sections 2-260 through 2-340.

(D)

Prohibited uses. Any use not listed as either "P" (permitted) or "C" (conditional) in a particular district or any use not determined by the City Planner to be substantially similar to a use listed as permitted or conditional shall be prohibited in that district. Such determination shall be made in the manner provided for in Section 2-50 governing determination of substantially similar uses.

(E)

Specific development standards. Permitted and conditional uses specified with an "x" under the Specific Development Standards column shall be subject to the standards identified in Chapter 7, Specific Development Standards.

(F)

Generalized use categories. Table 12-1 employs generalized use categories for some types of industrial uses. A particular use may be determined to be within a generalized use category if not listed specifically elsewhere in Table 12-1 and if not determined to be within another less restrictive generalized use category. Determination of whether a particular use is included within a generalized use category shall be made by the City Planner in the manner provided for in Section 2-50 governing determination of substantially similar uses.

(1)

Limited Industrial Uses. Limited industrial uses are low impact uses which produce little or no noise, odor, vibration, glare or other objectionable influences and which, given proper controls, have little or no adverse effect on surrounding properties. Limited industrial uses generally do not involve processing of raw materials or production of primary materials. Limited industrial uses include the production, processing, or storage of the following:

(a)

Apparel, textiles, and fabrics.

(b)

Electronic and electrical equipment, components, and accessories.

(c)

Foods and food products, not including distilling or live slaughter.

(d)

Household goods and appliances.

(e)

Measuring, analyzing, and controlling instruments.

(f)

Medical and optical goods and technology.

(g)

Novelty items, musical instruments, sporting and athletic equipment, and other personal goods.

(h)

Office and commercial equipment, furniture, and fixtures.

(i)

Pharmaceuticals, health and beauty products.

(j)

Printing and publishing operations, including distribution.

(k)

Signs, including electric and neon signs, and other advertising devices.

(l)

Fabricated metal products such as cans and shipping containers, cutlery, handtools and general hardware.

(m)

Fabricated plastic and rubber products, except tires and inner tubes.

(n)

Household, industrial and commercial machinery and equipment such as engines and turbines, farm, lawn and garden equipment, heating, cooling and refrigeration equipment, and machine tools.

(o)

Metal working such as stamping, welding, machining, extruding, engraving, plating, grinding, polishing, cleaning and heat treating.

(p)

Paper and paperboard products, except no pulp, paper or paperboard mills.

(q)

Woodworking, lumber and wood products, not including saw mills.

(r)

Cannabis cultivation.

(s)

Cannabis manufacturer.

(t)

Lower-potency hemp-edible manufacturer.

(2)

General Industrial Uses. General industrial uses include high impact and outdoor uses which are likely to have a substantial adverse effect on the environment or on surrounding properties and which require special measures and careful site selection to ensure compatibility with the surrounding area. General industrial uses often include processing of raw materials or production of primary materials. General industrial uses include the production or processing of the following:

(a)

Asphalt, paving and roofing materials.

(b)

Battery manufacture and reprocessing.

(c)

Chemicals and chemical products, including ammonia, chlorine, household cleaners, detergent, fertilizer, and industrial and agricultural chemicals.

(d)

Gypsum and plaster products.

(e)

Manufactured housing.

(f)

Paints, varnishes, lacquers, and enamels.

(g)

Petroleum and coal products, except no mining or extraction.

(h)

Plastics and synthetic resins and fibers.

(i)

Primary metals, including steelworks, rolling and finishing mills, forge or foundry.

(j)

Pulp, paper or paperboard mills.

(k)

Sand and gravel, except no mining or extraction.

(l)

Sawmills.

(m)

Tanned hides and leather.

(n)

Tires and inner tubes.

(o)

Transportation equipment, including motor vehicle and aircraft parts and equipment.

Table 12-1. Principal Uses in the Industrial Districts.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2004-14, § 1, 6-8-04; Ord. No. 2005-24, § 1, 9-13-05; Ord. No. 2006-21, § 6, 9-26-06; Ord. No. 2008-25, § 4, 2-24-09; Ord. No. 2013-009, § 10, 11-26-13; Ord. No. 2016-9, § 1, 6-28-16; Ord. No. 2023-1, § 5, 2-28-23; Ord. No. 2024-10, §§ 3, 4, 7-9-24; Ord. No. 2024-22, § 5(Exh. D), 12-23-24; Ord. No. 2025-3, § 4(Exh. C), 5-27-25)

Accessory buildings and structures shall comply with the provisions of Section 6-200. Design of such structures is further regulated in Chapter 4, Site Plan Review.

(Ord. No. 99-20, § 1, 11-23-99)

Retail sales, service, and repair shall be prohibited in all industrial districts except those specifically listed in Table 12-1 or where such activity is accessory to the permitted principal use. Accessory retail uses shall be limited to a maximum of twenty (20) percent of the overall gross floor area occupied by the primary business, up to a maximum of two thousand (2,000) square feet.

(Ord. No. 99-20, § 1, 11-23-99)

Except for communication antennas otherwise allowed by conditional use permit, the maximum height of all principal structures located in the industrial districts shall be sixty-five (65) feet. Buildings to be located within five hundred (500) feet of a residential district shall have a maximum height of forty-five (45) feet. Parapets not exceeding three (3) feet in height shall be exempt from such limitations. The height of buildings within the airport overlay district is further regulated as specified in Chapter 13, Article 4.

(Ord. No. 99-20, § 1, 11-23-99)

The height limitations of principal structures located in the industrial districts may be increased by conditional use permit, subject to the standards identified in Sections 2-260 through 2-340. Additionally, the City Council shall consider, but not be limited to, the following factors when determining the maximum height:

(1)

Access to light and air of surrounding properties.

(2)

Shadowing of any adjacent residential areas.

(3)

The scale and character of surrounding uses.

(4)

Preservation of views of landmark buildings, significant open spaces or water bodies.

(Ord. No. 99-20, § 1, 11-23-99)

(A)

In general. All buildings and structures shall meet applicable Building Code requirements. Additionally, the following standards are established to encourage architectural creativity and diversity, to create a lessened visual impact upon surrounding land uses, and to establish uniformity in acceptable exterior construction materials for industrial development.

(B)

All building facades must be designed with architecturally finished materials, with primary building materials being limited to the following:

(1)

Modular masonry materials such as brick, block, and stone.

(2)

Precast concrete or aggregate panels.

(3)

Stucco or stucco-like materials.

(4)

Glass.

(5)

Prefinished metal architectural panels, subject to the provisions indicated in Section 12-80(C) below.

(C)

The use of prefinished metal architectural panels shall be allowed, provided that no more than seventy (70) percent of the front elevation and no more than eighty (80) percent of any additional street-facing elevation consists of such material. Elevations with interstate exposure on a lot that abuts the interstate right-of-way shall include non-metal accent materials covering at least thirty (30) percent of said elevation, with at least fifty (50) percent of such material placed above the mid-point of the building.

(D)

The following building types and materials are expressly prohibited in the industrial districts:

(1)

Wood as an exterior wall finish, except where used as accent material.

(2)

Corrugated metal roofing or siding.

(3)

Exposed, untextured, uncolored, unaugmented concrete.

(E)

All subsequent additions and outbuildings constructed after the erection of an original building or buildings shall be constructed of materials comparable to those used in the original construction and shall be designed in a manner conforming to the original architectural design and general appearance.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2008-09, § 5, 5-13-08)

Development of land within the industrial districts shall follow established standards for traffic circulation, landscape design and buffering, and other considerations as specified in Chapter 4, Site Plan Review.

(Ord. No. 99-20, § 1, 11-23-99)

In the event that an existing principal building within an industrial district is to be enlarged or remodeled, the city may require that building design standards and landscaping requirements created by this chapter be applied to the entire site or to a portion of the site. Such determination shall be made by the City Planner based on the scale and nature of the proposed construction. If disagreement arises over the extent of required improvements, the property owner may appeal such determination to the Planning Commission and City Council for further review.

(Ord. No. 99-20, § 1, 11-23-99)

Lot area and setback requirements shall be as specified in Table 12-2. Wetland buffer and buffer setback requirements shall be as specified in Chapter 6 of this Ordinance [Appendix].

Table 12-2. Lot dimension and setback requirements in the industrial districts.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2008-09, § 5, 5-13-08; Ord. No. 2010-04, § 6, 5-25-10)

Parking and loading requirements for uses in the industrial districts shall be as set forth in Chapter 8, Off-Street Parking and Loading.

(Ord. No. 99-20, § 1, 11-23-99)

Sign requirements for uses in the industrial districts shall be as specified in Chapter 9, Signs.

(Ord. No. 99-20, § 1, 11-23-99)

All uses in the industrial districts shall comply with all general performance standards as expressed in Chapter 6, Article 9.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2013-009, § 11, 11-26-13)

(A)

In general. Permitted accessory uses within all industrial districts include maintenance, storage, and parking facilities, mechanical equipment, and other accessory uses associated with buildings and structures that are necessary to the operation of the principal use.

(B)

Child care center as an accessory use to a principal industrial activity and for the exclusive service to employees of that activity.

(C)

Temporary structures for storage of equipment and materials used in connection with construction of a lawfully authorized use, not to exceed two (2) years.

(D)

Biodigester as an accessory use to a principal industrial use as per the standards identified for such use in Chapter 7, Specific Development Standards.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2020-6, § 1C, 4-28-20)

Editor's note— Ord. No. 2020-6, § 1C, adopted April 28, 2020, changed the title of § 12-150 from "Permitted accessory structures and uses." to read as herein set out.

(A)

In general. All production, processing, storage, sales, display, or other business activity shall be conducted within a completely enclosed building, except as otherwise provided in (B) through (D) below or elsewhere in this ordinance.

(B)

Outdoor storage. Outdoor storage may be allowed as an accessory use provided that the standards for such use, as identified in Chapter 7, Specific Development Standards, are met.

(C)

Outdoor sales and display. Retail merchandise may be displayed on a temporary basis on the sidewalk immediately in front of the principal building or displayed at convenience store gasoline pump islands, provided that such display does not interfere with pedestrian or vehicle traffic. In addition, the following uses may include outdoor sales and display provided that the standards for such use, as identified in Chapter 7, Specific Development Standards, are met:

(1)

Automobile sales, service, or rental.

(2)

Lawn and garden center or greenhouse.

(3)

Truck, trailer, boat, or recreational vehicle sales, service, or rental.

(4)

Building material sales.

(D)

Outdoor speakers. Outdoor speakers shall not be audible from a residential district boundary or residential use.

(Ord. No. 99-20, § 1, 11-23-99)

The purpose of the industrial park district is to provide for the establishment of industrial areas with exemplary development standards for light industrial uses that prefer to be located in choice or strategic sites. An IP district should be located with access to a major arterial roadway and provide for the establishment of light industrial development and the further processing of materials first handled by heavy industry. Controls are established to assure compatibility with surrounding commercial or residential uses.

(Ord. No. 99-20, § 1, 11-23-99)

Permitted and conditional uses in the I-P District shall be as specified in Table 12-1.

(Ord. No. 99-20, § 1, 11-23-99)

The sum total of ground area covered by all structures shall not exceed fifty (50) percent of the total lot area.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2008-09, § 5, 5-13-08)

The purpose of the light industrial district is to provide for the establishment of bulk commercial activities, service warehousing, light industrial development, and the further processing or refining of materials first handled by heavy industry. An I-1 district should be located with access to a major arterial roadway and may abut another industrial or commercial district, but should be separated from residential uses through natural or manmade barriers.

(Ord. No. 99-20, § 1, 11-23-99)

Permitted and conditional uses in the I-1 District shall be as specified in Table 12-1.

(Ord. No. 99-20, § 1, 11-23-99)

The sum total of ground area covered by all structures shall not exceed sixty (60) percent of the total lot area.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2008-09, § 5, 5-13-08)

The purpose of the heavy industrial district is to provide for the establishment of heavy industrial and manufacturing development and uses, which because of the nature of the product or services, requires isolation from residential and/or commercial uses. An I-2 district should be located with access to a major arterial roadway and should be separated from all other districts, except light industrial, through natural or manmade barriers.

(Ord. No. 99-20, § 1, 11-23-99)

Permitted and conditional uses in the I-2 District shall be as specified in Table 12-1.

(Ord. No. 99-20, § 1, 11-23-99)

The sum total of ground area covered by all structures shall not exceed sixty (60) percent of the total lot area.

(Ord. No. 99-20, § 1, 11-23-99; Ord. No. 2008-09, § 5, 5-13-08)