A.   General: The general regulations of this subsection "A." apply to all outdoor lighting.

      1.   Purposes: The outdoor lighting regulations of this section are intended to help ensure adequate lighting for motorized and nonmotorized travelers; provide for the efficient use of energy; and reduce the impacts of sky glow, nuisance lighting, and glare on nearby areas.

      2.   Applicability and Exemptions: The outdoor lighting regulations of this section apply to all outdoor lighting except the following:

         a.   Lighting fixtures with a light output of no more than 1,000 lumens per fixture;

         b.   Emergency lighting used by police, fire fighting, or medical personnel;

         c.   Traffic control devices or streetlights installed by the village or other governmental entity;

         d.   Aviation safety lights required by the FAA (e.g., warning lights on radio, communication and navigation towers);

         e.   Underwater swimming pools lights that comply with all applicable electrical codes;

         f.   Spotlighting of official government flags if the spotlighting is contained within the area of the flag;

         g.   Outdoor lighting used for emergency equipment and work conducted in the interest of law enforcement or for public health, safety or welfare;

         h.   Outdoor lighting used for village-authorized temporary uses or events; and

         i.   Temporary holiday lighting (in place for no more than 90 days per calendar year) and temporary seasonal decorations (in place for no more than ninety (90) days per calendar year) using typical unshielded low-intensity incandescent lamps.

      3.   Prohibited Lighting: The following types of outdoor lighting are prohibited:

         a.   Any lighting that could interfere with the safe movement of motor vehicles, bicycles, or pedestrians on public or private streets;

         b.   Searchlights and rotating beacons;

         c.   Laser, strobe, and or flashing light sources or any similar high intensity light for outdoor advertising or entertainment;

         d.   Mercury vapor and low-pressure sodium lighting; and

         e.   Tower lighting, unless required by the Federal Aviation Administration (FAA).

      4.   Lighting Types and Efficiency:

         a.   Light sources must be color-correct types such as Halogen, LED, or metal halide.

         b.   All lighting in A zoning districts must have a nominal correlated color temperature (CCT) of no greater than three thousand degrees Kelvin (3,000°K).

      5.   Reduced Lighting During Evening Hours: All outdoor light fixtures must be turned off between eleven o’clock (11:00) p.m. and sunrise except for security purposes or to illuminate walkways, driveways, equipment yards, and parking lots.

      6.   Arrangement and Shielding;

         a.   All lighting fixtures, except motion detector-activated lighting, must be fully shielded so that the lighting element is not visible to an observer at any property line, as measured five feet (5') above grade.

         b.   Light-producing elements must be shielded with full cutoffs so that no light emitted directly from the lamp or indirectly from the fixture is projected at an angle of more than ninety degrees (90°) above nadir and no more than ten percent (10%) of the light emitted directly from the lamp or indirectly from the fixture is projected at an angle of more than eighty degrees (80°) above nadir.

         c.   A light fixture may cast light upward only if all upward light is reflected back down by a canopy, roof, or similar feature.

      7.   Measurement of Illumination and Light Trespass:

         a.   For purposes of administration and enforcement, light levels must be measured with a direct-reading light meter, calibrated at least annually.

         b.   The meter's sensor must be on the property line at a height of five feet (5') above finished grade and aimed towards the subject property in horizontal position. Readings must be recorded after the value has stabilized.

         c.   Measurements must be made sundown with the light sources to be measured illuminated, and then with those light sources extinguished. The difference between these two (2) readings must be compared to the maximum allowed illumination at the property line. In this way, contributions to light levels by night sky and other ambient light sources are eliminated and the light intensity from the subject light sources can be accurately determined.

   B.   Residential Lighting Standards: The regulations of this subsection "B." apply to all residential uses in residential (A) zoning districts.

      1.   Light trespass along the lot line of the subject residential property may not exceed 0.2 foot-candles when abutting a residential zoning district or 0.5 foot-candles when abutting any other zoning district or public right-of-way.

      2.   Unless approved through the special use permit process, light fixtures mounted on freestanding poles may not exceed eight feet (8') in height. Pole-mounted light fixtures must be directed toward the interior of the property.

   C.   Nonresidential Lighting Standards: The regulations of this subsection "C." apply to all nonresidential uses in all zoning districts.

      1.   Canopy Lighting: Light fixtures installed in canopies, pavilions, drive-through bays, or similar structures must be flush-mounted or recessed above the lower edge of the canopy and equipped with flat lenses that do not project below the canopy ceiling. The canopy fascia may not be internally illuminated.

      2.   Light Trespass: Light trespass along the lot line of the subject nonresidential property may not exceed 0.5 foot-candles when abutting a residential zoning district or 1.0 foot-candles when abutting any other zoning district or public right-of-way.

      3.   Lighting Plans:

         a.   General: Outdoor lighting plans demonstrating compliance with the regulations of this section are required with the submittal of a site plan. If no outdoor lighting is proposed, a note must be placed on the face of the site plan indicating that no outdoor lighting will be provided.

         b.   Contents of Lighting Plan: Applicants are required to submit a photometric study in enough detail to demonstrate that all applicable outdoor light regulations will be met. The photometric study must include at least the following:

         (1)   A scale drawing of the site with all outdoor lighting locations shown;

         (2)   Fixture specifications, including catalog cut-sheets or generic standards;

         (3)   Lamp type and size;

         (4)   Fixture mounting heights, mounting orientation, and tilt angles if applicable; and

         (5)   A representative point-by-point illumination array for the site showing property lines and all off-site lighting impacts. (Ord. 2025-1446, 10-9-2025)