§ 15.56
Glenn County Zoning Code · 2026-07 edition · updated 2026-07-25 · Glenn County
15.56.030 Exceptions ¶
Uses which are not in compliance with all applicable performance standards at the time of zoning clearance shall require a conditional use permit. 2. The following agricultural uses are exempt from the provisions of Sections 15.56.100 F, 15.56.100 H, 15.56.100 I, 15.56.100 J and 15.56.100 L: livestock grazing, crop and tree farming, animal husbandry, apiaries and aviaries.
The performance standards contained in the following subsections are the required minimum. They shall not be construed as preventing the review authority, as part of any discretionary approval, to require more restrictive standards as deemed necessary. (Ord. 1183 § 2, 2006)
15.56.040 Air Quality All uses shall comply with applicable local, state and federal laws and regulations regarding contaminants and pollutants. This requirement includes, but is not limited to, emissions of suspended particles, carbon monoxide, hydrocarbons, odors, toxic or obnoxious gases and fumes. (Ord. 1183 § 2, 2006)
15.56.050 Electromagnetic Interference
Devices which generate electromagnetic interference shall be so operated as not to cause interference with any activity carried on beyond the boundary line of the property upon which the device is located. Public utilities shall comply with all applicable state and federal regulations. (Ord. 1183 § 2, 2006) 15.56.060 Erosion Control The following erosion control standards shall apply to all development projects in commercial or industrial zoning districts: 1. The smallest area practical of land shall be exposed at any one time during development; 2. When land is exposed during development, the exposure shall be kept to the shortest practical period of time; 3. Natural features such as trees, groves, natural terrain, waterways and other similar resources shall be preserved where feasible; 4. Temporary vegetation and/or mulching shall be used to protect critical areas exposed during development; 5. The permanent final vegetation and structures shall be installed as soon as practical in the development; 6. Wherever feasible the development shall be fitted to the topography and soils to create the least erosion potential; 7. Provisions shall be made to effectively accommodate the increased runoff caused by changed soil and surface conditions during and after development; 8. Sediment basins (debris basins, desalting basins, or silt traps) shall be installed and maintained to remove sediment from runoff waters from land undergoing development where needed. (Ord. 1183 § 2, 2006) 15.56.070 Fire And Explosion Hazards All uses involving the use or storage of combustible, explosive, caustic or otherwise hazardous materials shall comply with all applicable local, state and federal safety standards and shall be provided with adequate safety devices against the hazard of fire and explosion, and adequate fire-fighting and fire suppression equipment. (Ord. 1183 § 2, 2006) 15.56.080 Glare And Heat 1. All exterior lighting accessory to any use shall be hooded, shielded or opaque. No unobstructed beam of light shall be directed beyond any exterior lot line. Buildings and structures under construction are exempt from this provision. 2. No use shall generate heat so that increased ambient air temperature or radiant heat is measurable at any exterior lot line. (Ord. 1183 § 2, 2006)
15.56.090 Liquid, Solid And Hazardous Wastes 1. All uses are prohibited from discharging liquid, solid, toxic or hazardous wastes onto or into the ground and into streams, lakes or rivers. Discharge into a public or private waste disposal system in compliance with applicable local, state and federal laws and regulations is permitted.
- Wastes detrimental to a public sewer system or a sewage treatment plant shall not be discharged to a public sewer system unless they have been pretreated to the degree required by the authority having jurisdiction over the sewerage system.
- The handling and storage of hazardous materials the discharge of hazardous materials into the air and water and disposal of hazardous waste in connection with all uses shall be in conformance with all applicable local, state and federal regulations.
All burning of waste materials accessory to any use shall be in compliance with the county air pollution control district rules and regulations.
The disposal or dumping of solid wastes accessory to any use including, but not limited to, slag, paper and fiber wastes or other industrial wastes shall be in compliance with applicable local, state and federal laws and regulations. (Ord. 1183 § 2, 2006)
15.56.100 Noise
| 1. | Maximum sound emissions for any use shall not exceed equivalent sound pressure levels in decibels, A-weighted scale, for beyond any property lines of the property containing the noise. (Note: Equivalent sound pressure level (Leq) is a measure o various sounds emitted from the source during the hour. A-weighted scale is used to adjust sound measurements to simula Table B Maximum One-hour Equivalent Sound Pressure Levels (A-Weighted - dBA) |
Maximum sound emissions for any use shall not exceed equivalent sound pressure levels in decibels, A-weighted scale, for beyond any property lines of the property containing the noise. (Note: Equivalent sound pressure level (Leq) is a measure o various sounds emitted from the source during the hour. A-weighted scale is used to adjust sound measurements to simula Table B Maximum One-hour Equivalent Sound Pressure Levels (A-Weighted - dBA) |
Maximum sound emissions for any use shall not exceed equivalent sound pressure levels in decibels, A-weighted scale, for beyond any property lines of the property containing the noise. (Note: Equivalent sound pressure level (Leq) is a measure o various sounds emitted from the source during the hour. A-weighted scale is used to adjust sound measurements to simula Table B Maximum One-hour Equivalent Sound Pressure Levels (A-Weighted - dBA) |
any one hour as stipulated in Table B. These maximums are applicable f the sound level for any one hour. It is the energy average of all the te the sensitivity of the human ear.) Industrial: 65 60 |
|---|---|---|---|---|
| Time of Day: | Receiving Property Residential: |
Zoning District Commercial: |
Industrial: | |
| 7:00 - 10:00p.m. | 55 | 60 | 65 | |
| 10:00 -7:00 a.m. | 45 | 55 | 60 | |
| *NOTE: The residential categoryalso includes all resource zoningdistricts. |
*NOTE: The residential category also includes all resource zoning districts.
- In the event the receiving property or receptor is a dwelling, hospital, school, library or nursing home, even though it may be other wise zoned for commercial or industrial and related uses, maximum one-hour equivalent sound pressure received shall be as indicated in Table C.
Table C Maximum One-hour Equivalent Sound Pressure Levels (A-Weighted - dBA)
| Time of Day: | Level: |
|---|---|
| 7:00 - 10:00p.m | 57 |
| 10:00 -7:00 a.m. | 50 |
Noises of Short Duration. For noises of short duration or impulsive character, such as hammering, maximum one-hour sound pressure levels permitted beyond the property of origin shall be seven decibels less than those listed in Table C.
Noises of Unusual Periodic Character. For noises of unusual periodic character, such as humming, screeching and pure tones, the median octave band sound pressure levels as indicated in Table D shall not be exceeded beyond the property of origin when the receiving property is zoned residential or is occupied by a dwelling, hospital, school, library, or nursing home.
Table D Medial Octave Band Sound Pressure Levels Octave Band Center
| Frequency,Hz: | 7:00 a.m. to 10:00p.m.: | 10:00p.m. to7:00 a.m.: |
|---|---|---|
| 31.5 | 68 | 65 |
| 63 | 65 | 62 |
| 25 | 61 | 56 |
| 250 | 55 | 50 |
| 500 | 52 | 46 |
| 1,000 | 46 | 43 |
| 2,000 | 46 | 40 |
| 4,000 | 43 | 37 |
| 8,000 | 40 | 34 |
- Additional Allowance. When the receiving property is zoned commercial or industrial and is not a dwelling, hospital, school, library or nursing home, an additional sound decibel emission above the pressure levels specified in Table D above shall be permitted as indicated in Table E.
Table E Additional Allowance
| ReceivingPropertyZone: Additional Decibels Allowed: |
||
|---|---|---|
| Commercial 5 |
||
| Industrial 10 |
||
| 6. | Exemptions. Local noise standards set forth in this section do not apply to the following situations and sources of noise provided standard, reasonable practices are being followed: | |
| 1. Emergency equipment operated on an irregular or unscheduled basis; | ||
| 2. Warning devices operated continuously for no more than five minutes; | ||
| 3. Bells, chimes or carillons; |
Nonelectronically amplified sounds at sporting, amusement and entertainment events; 5. Construction site sounds between 7:00 a.m. and 7:00 p.m.;
Lawn and plant care machinery fitted with correctly functioning sound suppression equipment and operated between 7:00 a.m. and 8:00 p.m.; 7. Aircraft when subject to federal or state regulations;
Agricultural equipment when operated on property zoned for agricultural activities.
Exceptions. Upon written application from the owner or operator of an industrial or commercial noise source, the director or planning commission, as part of a use permit approval, may conditionally authorize exceptions to local noise emission standards in the following situations: 1. Infrequent noise; 2. Noise levels at or anywhere beyond the property lines of the property of origin when exceeded by an exempt noise, as listed in subsection (E) of this section, in the same location; 3. If after applying best available control technology (BACT), a use existing prior to the effective date of the ordinance codified in this chapter, is unable to conform to the standards established by this section. (Ord. 1183 § 2, 2006) 15.56.110 Open And Outdoor Storage, Sales And Display 1. General. Outdoor storage in any district shall be maintained in an orderly manner and shall not create a fire, safety, health or sanitary hazard. 2. Standards for Uses Permitted in the Agricultural and Residential Zoning Districts: 1. Except for farm products, supplies or equipment when incidental to a working farm or ranch, construction materials during authorized construction, or firewood, outdoor storage of materials, including but not limited to junk, construction materials, scrap metal, wood, petroleum-based materials or products, paper products, waste or trash materials on parcels of one acre or less shall not exceed an aggregate area of one hundred square feet per lot, or on parcels larger than one acre, but less than five acres, four hundred square feet of aggregate area and on parcels of five acres or more an aggregate area of six hundred square feet in the TPX, RE, and agricultural district. This performance standard does not prohibit the enclosed storage of similar materials in a building of up to two thousand square feet in area. 2. Except for farm supplies and products, firewood, boats and farm equipment, open or outdoor storage shall be limited to a height of six feet. 3. Except for farm products, supplies, or equipment, construction materials during authorized construction or firewood for personal consumption on the premises, outdoor storage shall be completely screened from public view from all exterior property lines and any public roadway within one-half mile of the open storage area by the use of sight-obscuring fences, hedges or other measures determined to be effective by the director. Securely fastened tarps may be utilized for screening of open storage areas of one hundred square feet or less. 1. On parcels of five acres or more, open storage areas shall not be maintained closer than seventy-five feet from any property line; 2. On parcels of less than five acres, open storage areas when not completely enclosed by solid fencing shall have a minimum setback from any property line of a distance of not less than twenty percent of the lot width; 4. There shall be no outdoor storage in any required yard in the case of interior lot, or required street-side setback area in the case of corner lot, or in an area three-feet-wide along one side lot line; and there shall be no outdoor storage in any front yard in any RE, RE-NW, R1 or RM district. 5. In addition of the outdoor storage permitted in subsection (B)(1) of this section, the open and outdoor storage of accumulation vehicles shall be limited to the following: 1. The open storage of one accumulation vehicle per lot in an R1 or RM district; 2. The open storage of two accumulation vehicles per lot in any RE, RE-NW or TPZ district; 3. The indoor or outdoor storage of accumulation vehicles, subject to first obtaining an administrative collector’s permit or conditional use permit for a collector’s use of accumulation vehicles pursuant to Section 15.77 in a residential district. 3. Standards for Uses Permitted in Any Commercial and Manufacturing District. 1. No outdoor storage of materials or equipment shall be permitted in the following areas: required front yards, off-street parking and loading areas, driveways, landscaped areas or street right-of-ways. 2. Open and outdoor storage and operation yards (work areas) of an interior lot shall be confined to the area to the rear of a line which is the extension of the front wall of the principal building and shall be screened from view from any street by appropriate walls, fencing, earthen mounds or landscaping as approved in the required landscaping plan. Storage or operation yards on a corner or through lot shall be subject to approval of the director. 3. Open and outdoor storage of materials or products, except for trucks and other vehicles necessary for the operation, shall not exceed a height of eight feet. 4. Open and outdoor storage shall be located so as not to constitute a hazard to adjacent buildings or property and shall not exceed six feet in height when within ten feet of side or rear property lines. 5. Exterior trash and storage areas, service yards and electrical utility boxes shall be screened from view of all nearby streets and adjacent structures in a manner that is compatible with the building design. Smaller areas near the building shall be screened with a wall of the same construction as the building wall. Larger areas shall be screened by a solid six foot-high fence. Chain-link fencing shall be permitted only when accompanied by heavy landscaping which will grow to screen the fence in three years. Provisions for adequate vehicular access to and from trash, garbage or refuse areas shall be provided. (Ord. 1183 § 2, 2006)
15.56.120 Radioactivity ¶
No radiation of any kind shall be emitted in quantities which is dangerous to humans. (Ord. 1183 § 2, 2006)
15.56.130 Vibrations ¶
No use shall generate ground vibration which is perceptible without instruments beyond the lot line. Ground vibration caused by motor vehicles, aircraft, temporary construction work or agricultural equipment are exempt from these standards. (Ord. 1183 § 2, 2006)
15.56.140 Commercial Coach
Mobilehomes shall only be permitted as permanent offices in the industrial zoning districts provided that the standards of Chapter 15.59 are met. (Ord. 1183 § 2, 2006)
15.56.150 Restrooms
Restrooms open for public use shall be provided by all retail sales, entertainment or open to public recreational uses when gross building floor area exceeds three thousand square feet in area per use, and for all attended retail fuel sales uses.
Restrooms shall meet the occupant load factors, accessibility and plumbing facilities regulations of the Uniform Plumbing and Building Code as amended.
The availability and/or location of restrooms shall be noticed by signing when restroom facilities are not readily visible to the public. (Ord. 1183 § 2, 2006)
15.56.160 Storage Of Accumulation Vehicles
As provided in this section the storage of not more than two accumulation vehicles may be allowed per parcel of land in a residential zoning district provided the following standards are met:
The parcel size is twenty thousand square feet or larger, for the first vehicle and that twenty thousand additional square feet is provided for the second vehicle; 2. Accumulation vehicles are the legal property of the same person/family who resides in the on-site dwelling, as evidenced by a certificate of ownership issued by the Department of Motor Vehicles;
Accumulation vehicles shall not be stored in any required yard area;
Accumulation vehicles shall be completely screened and not visible from any public right-of-way or adjacent property;
Accumulation vehicles shall be allowed in the R-1 single-family residential district upon securing a conditional use permit. In all cases accumulation vehicles shall be placed behind screening not visible from public right-of-way or adjacent properties;
An administrative collector’s permit shall be obtained for parcels having three to five accumulation vehicles and a conditional use permit for more than six accumulation vehicles provided the requirements of Chapter 15.22 are met. (Ord 1200 § 3, 2008)
15.57 Landscaping Standards 15.57.010 General 15.57.020 Standards 15.57.030 Plan Required 15.57.040 Final Inspection 15.57.050 Bonding Required
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Ask AI about this code▸ Contents — Glenn County Zoning Code
- § 15.01
- 15.02 Definitions
- § 15.04
- § 15.09
- § 15.11
- § 15.16
- § 15.22
- 15.23 Land Divisions
- § 15.31
- § 15.32
- § 15.33
- § 15.34
- § 15.35
- § 15.36
- § 15.39
- § 15.40
- § 15.43
- 15.44 M - Industrial Zone
- § 15.46
- § 15.47
- § 15.48
- § 15.51
- § 15.52
- § 15.55
- § 15.56
- § 15.57
- 15.58 Right To Farm
- § 15.64
- § 15.65
- § 15.67
- § 15.68
- § 15.71
- § 15.72
- § 15.74
- § 15.745
- 15.77 Collector
- § 15.78
- § 15.795
- § 15.797
- § 15.798
- § 15.80
- § 15.801
- § 15.81
- § 15.83
- § 15.85
- 15.86 Power Generation Facilities 15.86.010 Purpose 15.86.020 …