zoneoptics
Riverside County Unincorporated, California · General provision

17.113.010, 17.113.020, 17.113.030

Mineral ResourcesAll Riverside County Unincorporated districts0

Dimensional standards

lot requirementsSTREETMIN LOT AREA20,000 sq ft
Plan view of the district’s stated lot requirements. Solid line: the property line. Dashed: the setback lines the ordinance imposes; a building must stay inside the tinted envelope. Drawn from the figures extracted below — illustrative, not a survey.

Lot

Minimum lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built.
20,000 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000. (0.46 acacre43,560 square feet — about the size of an American football field without the end zones.)

Uses

Permitted by right6

  • Agricultural use of the soils for crops, orchards, grazing and forage
  • Electric and gas distribution, transmission substations, telephone and microwave stations
  • Water well and any use appurtenant to the storage and distribution of water
  • Riding and hiking trails, recreation lakes, and camp grounds
  • Mining, quarrying, excavating, beneficiating, concentrating, processing and stockpiling of rock, sand, gravel, decomposed granite, clay gypsum, limestone, metallic ores, and similar materials, and the rehabilitation of the resulting excavations
  • Rock crushing plants, aggregate washing, screening and drying facilities and equipment, and concrete batching plants

Conditional / special use2

Accessory6

Extracted standards

18 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Environmental

  • Air and water pollution compliance

    All operations shall be conducted in compliance with the requirements of the Riverside County air pollution control district and the State Water Quality Control Board.

Fencing & walls

Noise

  • Noise suppression required

    All equipment and premises employed in conjunction with any of the uses permitted in the M-R zone shall be constructed, operated and maintained so as to suppress noise and vibrations which are or may be injurious to persons living on adjoining property.

Other

  • Distance for hours exception300 ft

    except those operations that are located not less than three hundred (300) feet from the outer boundary of such property

  • Dust control required

    All roads and driveways shall be kept wetted while being used or shall be treated with oil, asphalted concrete or concrete, or other palliative to prevent the emission of dust.

  • Hours of operation

    All uses shall confine operations on the property, other than maintenance, to the hours between six a.m. and ten p.m. of any day, except those operations that are located not less than three hundred (300) feet from the outer boundary of such property.

  • Maximum excavation slope1 horizontal:vertical

    No production from an open pit quarry shall be permitted which creates an average slope steeper than one foot horizontal to one foot vertical

  • Minimum access road paving length100 ft

    for not less than the first one hundred (100) feet of the access road.

  • Minimum access road thickness3 in

    not less than three inches in thickness with adequate compacted base material

  • Minimum access road width24 ft

    All private access roads leading off any paved public street onto property used for any purpose permitted in section 17.113.010(B) or (C) shall be paved to a minimum width of twenty-four (24) feet with asphaltic concrete or equal

  • Minimum liability insurance300,000 dollars

    Before commencing operation in any quarry, the owner or operator shall show continuing evidence of insurance against liability in tort in the amount of three hundred thousand dollars ($300,000.00)

  • Prevent ponding

    Where practicable, all excavation operations shall be conducted in such a manner as to prevent unnecessary ponding or accumulation of storm or drainage water.

  • Reclamation plan required

    All property partially or totally depleted of its mineral resources as a result of a use permitted by this chapter shall be rehabilitated in accordance with a mining reclamation plan which has been approved pursuant to the provisions of county Ordinance No. 555.

Signage

From the ordinance

Notwithstanding the requirements of section 17.113.020, the following uses are permitted on parcels not less than twenty thousand (20,000) square feet in area
17.113.010, 17.113.020, 17.113.030

Use details

{
  "dropped_conditions": {
    "accessory_uses": [
      "Residences and mobilehomes for caretakers or watchmen and their families, provided no compensation is received"
    ]
  }
}