This section provides standards for outdoor lighting in the Valley region of the County.
(a) Light Trespass from Commercial or Industrial Use - Prohibited. Outdoor lighting of commercial or industrial land uses shall be fully shielded to preclude light pollution or light trespass in excess of the maximum allowed foot-candles allowed by subdivision (b) on any of the following:
(1) An abutting residential land use zoning district;
(2) A residential parcel; or
(3) Public right-of-way.
(b) Maximum Allowed Foot-candles. Direct or indirect light from any light source shall not cause light trespass exceeding five-tenths foot-candles when measured at the property line of a residential land use zoning district, residential parcel, or public right-of-way. Light levels shall be measured with a light meter, following the standard spectral luminous efficiency curve adopted by the International Commission on Illumination (CIE).
(Ord. 4419, passed - -2021)