Part 4 — REGULATIONS THAT APPLY IN SENSITIVE HABITATS AND HAZARDOUS AREAS

313-121 Geologic Hazards Regulations

121.1 PURPOSE

The purpose of these regulations is: (Former Section CZ#A314-16(A))

The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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121.1.1 To ensure that risks to life and property in high and potentially high geologic hazard areas shall be minimized, and further, (Former Section CZ#A314-16(A))

121.1.2 To assure the geologic stability and structural integrity of development, and (Former Section CZ#A314-16(A))

121.1.3 To ensure that development neither creates nor contributes significantly to erosion, geologic instability or destruction of development sites or surrounding areas, or in any way requires the construction of protective devices that would substantially alter natural landforms along bluffs and cliffs. (Former Section CZ#A314-16(A))

121.2 APPLICABILITY

The Geologic Hazards Regulations shall apply throughout Humboldt County. (Former Section CZ#A314-16(B))

121.3 MODIFICATIONS IMPOSED BY GEOLOGIC HAZARDS REGULATIONS

The provisions of the Geologic Hazards Regulations shall be in addition to requirements imposed by all other Zoning Regulations. Whenever the provisions of these regulations conflict with or are inconsistent in application with any other regulations, including any conflict with the County Grading Ordinance (see, Chapter 70 of the currently applicable Uniform Building Code), the most restrictive regulations shall apply. (Former Section CZ#A314-16(C))

121.4 NATURAL HAZARDS/LAND USE RATING MATRIX

New development shall be reviewed, approved and sited in accordance with the Geologic Hazards Land Use Matrix of this section. (Former Section CZ#A314-16(D))

121.5 REPORTS REQUIRED

Engineering geologic and/or soil engineering reports shall be required according to the following schedule: (Former Section CZ#A314-16(E))

121.5.1 R1 Report Requirements.

121.5.1.1 A preliminary engineering geologic report and a preliminary soil engineering report shall be prepared for the classes of development and hazard areas indicated by an “R1” in the Geologic Hazards Land Use Matrix. (Former Section CZ#A314-16(E)(1)(a))

121.5.1.2 The preliminary engineering geologic report shall be prepared by a certified engineering geologist. The preliminary soil engineering report shall be prepared by a civil engineer experienced and knowledgeable in the practice of soil engineering or by a certified engineering geologist. (Former Section CZ#A314-16(E)(1)(b))

121.5.2 R2 Report Requirements.

121.5.2.1 A preliminary engineering geologic report and a preliminary soil engineering report shall be prepared for the classes of development and hazard areas indicated by an “R2” in the Geologic Hazards Land Use Matrix. (Former Section CZ#A314-16(E)(2)(a))

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121.5.2.2 The reports required under this subsection shall be prepared by either a registered geologist or a registered civil engineer experienced and knowledgeable in the practice of soil engineering. (Former Section CZ#A314-16(E)(2)(b))

121.5.2.3 It is incumbent upon the project engineer to consult a registered geologist should it become apparent that an adequate subdivision design or structural solution requires additional geologic input. If, after preliminary investigation of the project site and the surrounding terrain, no geological consultation is felt by the engineer to be required, the engineer shall provide a written statement that such an evaluation is not required. It is incumbent upon the project geologist to recommend that a soils engineer be consulted when it becomes apparent that soils mechanics analyses are needed. (Former Section CZ#A314-16(E)(2)(c))

121.5.3 Discretionary Report Requirements. The Chief Building Official shall determine if a preliminary geologic report or a preliminary soil engineering report is required for the classes of development and hazard areas indicated by a “D” (discretionary) in the Geologic Hazards Land Use Matrix. The criteria for determining whether or not a report is required when it is designated in the Geologic Hazards Land Use Matrix as discretionary include the following; however, where evaluation of items listed below is inconclusive, a statement is required by a registered engineer that a geologic or soil report is not required for the safety of the project. (Former Section CZ#A314-16(E)(3))

121.5.3.1 Criteria for either type of report shall include: (Former Section CZ#A314-16(E)(3)(a))

121.5.3.1.1 results of a site inspection by the building inspector; (Former Section CZ#A314-16(E)(3)(a)(i))

121.5.3.1.2 geologic maps and reports covering the area; (Former Section CZ#A314-16(E)(3)(a)(ii))

121.5.3.1.3 the potential for the development to affect adjacent property or improvements; (Former Section CZ#A314-16(E)(3)(a)(iii))

121.5.3.1.4 the degree to which public exposure to risk may be a factor; (Former Section CZ#A314-16(E)(3)(a)(iv))

121.5.3.1.5 the size and scale of the proposed development; or (Former Section CZ#A314-16(E)(3)(a)(v))

121.5.3.2 A soil engineering report is indicated when one (1) or more of the following conditions exist or are proposed: (Former Section CZ#A314-16(E)(3)(b))

121.5.3.2.1 the depth (or height) of cut or fill is three (3) feet or greater; (Former Section CZ#A314-16(E)(3)(b)(i))

121.5.3.2.2 the fill is to support structural footings; (Former Section CZ#A314-16(E)(3)(b)(ii))

121.5.3.2.3 an engineered cut or fill is required; (Former Section CZ#A314-16(E)(3)(b)(iii))

121.5.3.2.4 the soils are or may be subject to significant shrink-swell; or (Former Section CZ#A314-16(E)(3)(b)(iv))

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121.5.3.2.5 areas where material exists that may be subject to settlement or subsidence. (Former Section CZ#A314-16(E)(3)(b)(v))

121.5.3.3 An engineering geologic report is indicated when one (1) or more of the following conditions exist or are proposed: (Former Section CZ#A314-16(E)(3)(c)(i-ix))

121.5.3.3.1 finish cut or fill slope faces with vertical heights in excess of ten (10) feet;

121.5.3.3.2 existing slope steeper than five (5) horizontal to one (1) vertical;

121.5.3.3.3 an existing cut slope having a vertical height in excess of ten (10) feet;

121.5.3.3.4 existing sea cliffs, stream bank cliffs, etc. in excess of ten (10) feet;

121.5.3.3.5 existing or suspected earthquake or seismic hazards;

121.5.3.3.6 existing or suspected groundwater hazards;

121.5.3.3.7 areas that are underlain by landslides or soil creep or by rock material susceptible to landslide or creep activity;

121.5.3.3.8 areas where materials exist that may be subject to settlement or subsidence; or

121.5.3.3.9 areas subject to drifting or loose sand.

121.5.4 Report Waiver. The report requirements of subsections 121.5.1. and 121.5.2. may be waived or the contents modified by the Director when: (Former Section CZ#A314-16(E)(4))

121.5.4.1 An adequate geologic and/or soil assessment at a suitable scale already exists for the site proposed for development; or (Former Section CZ#A314-16(E)(4)(a))

121.5.4.2 Reports are not indicated as necessary under the criteria listed in subsection 121.5.3.1; and (Former Section CZ#A314-16(E)(4)(b))

121.5.4.3 The proposed development is not within a Critical Water Supply Area as designated in the General Plan. (Former Section CZ#A314-16(E)(4)(c))

121.5.4.4 Report requirements may not be waived within the Coastal Zone, except that for Coastal Zone portions of Shelter Cove only, the requirements may be waived if the proposed development is within a waiver area as specified in Appendix E of the Southcoast Area Plan, and the Chief Building Official concurs. (Former Section CZ#A314-16(E)(4)(d))

121.5.5 The required soil report may serve to meet the soil report requirement under County Code Section 326-24 where, in the opinion of the Chief Building Inspector, it contains substantially the same information and addresses the concerns that may have been identified by the Department’s field inspection. (Former Section CZ#A314-16(E)(5))

The Humboldt County Code is current through Ordinance 2784, passed March 10, 2026.

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121.5.6 When a report is required pursuant to the Alquist-Priolo Fault Hazard Regulations of this ordinance, it should be combined with the reports required under this part where feasible. (Former Section CZ#A314-16(E)(6))

121.6 CONTENTS OF REPORTS

121.6.1 Engineering Geologic Report. The above required engineering geologic reports, designated “R1” and “R2,” shall provide a preliminary geological reconnaissance and evaluation of the project site and surrounding terrain. The degree of analysis should be appropriate to the degree of potential risk presented by the site and the proposed project. Reports shall be prepared in accordance with the California Division of Mines and Geology (CDMG) Note #44, “Recommended Guidelines for Preparing Engineering Geologic Reports.” CDMG Notes #37, 43 and 49 shall be utilized as applicable when seismic or fault rupture hazards are identified as concerns.

In citing the CDMG Notes, it is not the intent of the County to seek lengthy dissertations on the area geology, but rather to provide uniform outlines to serve as checklists with points to be discussed as applicable. (Former Section CZ#A314-16(F)(1))

121.6.2 Preliminary Soil Engineering Report. The above required preliminary soil engineering report shall describe the nature of the subsurface soils and any soil conditions which would affect the design and/or layout of the proposed development. The report shall include the locations and logs of any test borings and percolation test results if on-site sewage disposal is proposed. The report shall recommend areas or issues of concern which require additional engineering or geologic evaluation. These reports shall be prepared in accordance with the Uniform Building Code, Appendix, Chapter 70, Excavation and Grading, and/or Chapter 29, Excavations, Foundations and Retaining Walls, as applicable. (Former Section CZ#A314-16(F)(2))

121.6.3 Within the Coastal Zone, Supplementary Information for Reports for Development Located in the Coastal Zone. Within the Coastal Zone, the reports should give particular treatment and analyze the following, as applicable: (Former Section CZ#A314-16(F)(3))

121.6.3.1 Historic, current and foreseeable cliff erosion, including investigation of recorded land surveys in addition to the use of historic maps and photographs where available, and possible changes in shore configuration and sand transport; (Former Section CZ#A314-16(F)(3)(a))

121.6.3.2 Ground and surface water conditions and variations, including hydrologic changes caused by the development (i.e., introduction of sewage effluent and irrigation water to the ground water system, alterations in surface drainage, etc.); (Former Section CZ#A314-16(F)(3)(b))

121.6.3.3 Potential erodability of site and mitigation measures to be used to ensure minimized erosion problems during and after construction (i.e., landscaping and drainage design); (Former Section CZ#A314-16(F)(3)(c))

121.6.3.4 Effects of marine erosion of seacliffs; (Former Section CZ#A314-16(F)(3)(d))

121.6.3.5 Detailed mitigation measures or alternative solutions for avoiding potential impacts; (Former Section CZ#A314-16(F)(3)(e))

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121.6.3.6 Professional conclusions as to whether the project can be designed so that it will neither be subject to nor contribute to significant geologic instability throughout the life span of the project; and (Former Section CZ#A314-16(F)(3)(f))

121.6.3.7 Currently acceptable engineering stability analysis method should be used. The method(s) of field analysis should be described, and the degree of uncertainty of analytical results due to assumptions and unknowns should be described. (Former Section CZ#A314-16(F)(3)(g))

Table: Geologic Hazards Land Use Matrix

==> picture [481 x 333] intentionally omitted <==

----- Start of picture text -----
SLOPE
EARTHQUAKE LIQUEFACTION
BUILDING TYPE/LAND USE STABILITY**
SHAKING MOD. HIGH
0 1 2 3
Nuclear power plants, major
dams, hazardous chemical
storage
Hospitals, fire and police
stations, civil defense
headquarters, life line utility R1
systems, ambulance stations
Schools, theaters, auditoriums,
hotels, large motels, major
office buildings, high density
residential, redundant utility
systems, major highway bridges
Hazardous
Essential
High Risk
----- End of picture text -----

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Table: Geologic Hazards Land Use Matrix

==> picture [481 x 606] intentionally omitted <==

----- Start of picture text -----
SLOPE
EARTHQUAKE LIQUEFACTION
BUILDING TYPE/LAND USE STABILITY**
SHAKING MOD. HIGH
0 1 2 3
Final map subdivisions, heavy D R2 R2 R1 R1 D R2
industrial
Multi-family structures greater D D D R2 R1 D R2
than 4-plexes
Parcel map subdivisions D D D R2 R2 D D
Light industrial, warehousing, D D D D/A R2 D D
commercial
Residential structures on D D D R2 R2 D D
existing lots with footing loads
greater than typical two story
wood frame dwellings or
residential structures with three
stories or more
Residential wood frame D D D D/A D/R2* D D
structures two stories or less on
existing lots
Low Risk
----- End of picture text -----

“R” Means preliminary report is required.

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• “D” Means preliminary report is discretionary.

• “A” Within a Coastal Zone Area of Demonstration, an R2 report is report is required, and is not discretionary.

• Within the Coastal Zone an R2 report is required and is not discretionary; except as provided in subsection

• 313-121.5.4: Report Waiver.

• ****** As designated on the Geological Map of the Humboldt County General Plan.

121.7 DEVELOPMENT STANDARDS

121.7.1 The applicant shall either provide additional information as recommended by the preliminary geologic and/or soils report, or modify the proposed development to avoid identified areas of potential instability. The proposed development shall be sited, designed and constructed in accordance with the recommendations of the report(s) in order to minimize risk to life and property on the project site and for any other affected properties. (Former Section CZ#A314-16(G)(1))

121.7.2 Projects shall be constructed in accordance with the currently applicable Uniform Building Code, Section 2312, Earthquake Regulations, or any successor provision, as applicable. As referred to in the Uniform Building Code (UBC), Section 2312, the seismic zone boundaries shall be defined as follows: UBC Seismic Zone 4 applies south and west of the Grogan Fault; and Zone 3 applies north and east of the Grogan Fault. (Former Section CZ#A314-16(G)(2))

121.7.3 Within the Coastal Zone, the following shall also apply: (Former Section CZ#A314-16(G)(3))

121.7.3.1 Developments shall be sited and designed to assure stability and structural integrity for their expected economic life spans while minimizing alteration of natural landforms; (Former Section CZ#A314-16(G)(3)(a))

121.7.3.2 Bluff and cliff developments (including related storm runoff, irrigation, wastewater disposal and other activities and facilities accompanying such development) shall not create or contribute significantly to problems of erosion or geologic instability on the site or on surrounding geologically hazardous areas; (Former Section CZ#A314-16(G)(3)(b))

121.7.3.3 Alteration of cliffs and bluff tops, faces, or bases by excavation or other means shall be minimized. Cliff retaining walls shall be allowed only to stabilize slopes. (Former Section CZ#A314-16(G)(3)(c))

313-122 Natural Drainage Courses

122.1 PURPOSE

The purpose of these provisions is to establish standards for developments on land which includes natural drainage courses to ensure that adverse effects on drainage and water quality are minimized. (Former Section CZ#A314-23(A))

122.2 APPLICABILITY

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These regulations shall apply to all development in the Coastal Zone and located near natural drainage courses or with off-site facilities such as access roads and storm drainage, including but not limited to, utilities which are located near natural drainage courses. (Former Section CZ#A314-23(B))

122.3 REQUIRED MITIGATION

Developments which will have an effect on natural drainage courses shall be required to include the following mitigation: (Former Section CZ#A314-23(C))

122.3.1 The discharge from stormwater outfalls, culverts, gutters and the like, shall be dissipated, and, where feasible, screened. (Former Section CZ#A314-23(C)(1))

122.3.2 Natural vegetation, within and immediately adjacent to the bankfull channel, shall be maintained except for removal consistent with the provisions of the Streams and Riparian Corridors Protection Regulations. (Former Section CZ#A314-23(C)(2))

122.4 REQUIRED FINDINGS

Development lands having a potential impact on natural drainage courses shall be approved only if the applicable Resources Protection Impact Findings in Chapter 2, Procedures, are made. (Former Section CZ#A314-23(D))

313-123 Natural Landforms Protection

123.1 PURPOSE

The purpose of these regulations is to ensure that coastal natural landforms shall suffer the minimum disturbance, to the extent feasible, as a result of any new development. (Former Section CZ#A314-24(A))

123.2 APPLICABILITY

These regulations shall apply to all lands proposed for development within the County’s Coastal Zone, if the lands contain natural features as listed in the Land Use Plans or contain significant natural contours, including slopes, visible contours of hilltops, bluffs, and rock outcroppings. Applicability of these regulations to particular sites shall be determined by the Director, on a case-by-case basis, upon submission of development permit applications and based upon the purposes and policies of the Land Use Plans. (Former Section CZ#A314-24(B))

123.3 MODIFICATIONS IMPOSED BY COASTAL NATURAL LANDFORMS PROTECTION REGULATIONS

These provisions shall be in addition to any other regulations imposed by this division. Whenever the provisions of these regulations conflict with or are inconsistent in application with any other regulations, including conflicts with the County Grading Ordinance (see the most recently effective provisions of the Uniform Building Code, and any other adopted County Grading Ordinance), the most restrictive regulation shall apply. (Former Section CZ#A314-24(C))

123.4 REQUIRED MITIGATION

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The following mitigation measures shall be applied to development on lands containing natural landforms: (Former Section CZ#A314-24(D))

123.4.1 Where development is permitted, including the alteration of natural landforms during construction, mineral extraction, or other approved development, the topography shall be restored to as close to the predevelopment natural contours as possible, and the affected area planted with attractive vegetation common to the region; (Former Section CZ#A314-24(D)(1))

123.4.2 In permitted development, landform alteration for access roads and public utilities shall be minimized by: (Former Section CZ#A314-24(D)(2))

123.4.2.1 Running hillside roads and utility corridors along natural contours, where feasible; (Former Section CZ#A314-24(D)(2)(a))

123.4.2.2 In order to keep hillside roads as narrow as possible, the minimum street width requirements may be waived provided such reductions are consistent with public safety. (Former Section CZ#A314-24(D)(2)(b))

123.5 REQUIRED FINDINGS

Projects including natural landforms shall be approved only if the applicable Resource Protection Impact Findings of Chapter 2, Procedures, Supplemental Findings (312-39), are made. (Former Section CZ#A314-24(E))

313-124 Water Withdrawals from Anadromous Fish Streams

124.1 PURPOSE

The purpose of these regulations is to provide that new development not cause the reduction of stream flows below the minimum levels required to protect any identified fish habitat. (Former Section CZ#A314-38(A))

124.2 APPLICATION

The provisions of these regulations shall apply to new development which is proposed to be supported by water withdrawn from any anadromous fish stream. (Former Section CZ#A314-38(B))

124.3 LIMITATION OF DEVELOPMENT DEPENDENT UPON WATER WITHDRAWALS

Development which is proposed to be supported by water withdrawn from an anadromous fish stream shall be permitted only if such withdrawals will not have a significant impact on in-stream flow regimes and coastal resources. Such developments shall, overall, maintain in-basin beneficial uses of water, enhance in-stream beneficial uses of water, where feasible, and prevent significant adverse effects upon coastal resources. (Former Section CZ#A314-38(C))

124.4 REQUIRED FINDINGS

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Development dependent upon water withdrawn from anadromous streams shall be approved only if the Resource Protection Impact Findings in Chapter 2, Procedures, are made. (Former Section CZ#A314-38(D))

124.5 REQUIRED MITIGATION

Development dependent upon water withdrawals from anadromous fish streams shall at a minimum, incorporate the following mitigation measures: (Former Section CZ#A314-38(E))

124.5.1 Minimum stream flows necessary to protect the anadromous stream population shall be maintained; (Former Section CZ#A314-38(E)(1))

124.5.2 The timing of water withdrawals will not cause stream flows to fall below minimum levels required for the habitat. (Former Section CZ#A314-38(E)(2))

313-125 Wetland Buffer Areas

125.1 PURPOSE

The purpose of these regulations is to ensure that any development permitted in lands adjacent to coastal wetlands will not degrade the wetland and detract from its natural resource value, and will incorporate such features into the development site design without significant impact. (Former Section CZ#A314-10(A))

125.2 APPLICATION OF THE COASTAL WETLAND BUFFER AREA REGULATIONS

These regulations shall apply in the Coastal Zone to lands identified as meeting the definition for Wetland Buffer Areas in subsection 313-125.5, on a case-by-case basis, in accordance with the setback provisions of subsection 313-125.7. (Former Section CZ#A314-10(B))

125.3 MODIFICATIONS IMPOSED BY THE COASTAL WETLAND BUFFER AREA REGULATIONS

These regulations shall be in addition to regulations imposed by the principal zone development regulations, Special Area Combining Zone regulations, and other general regulations. Wherever the provisions of these regulations conflict with or are inconsistent in application with any other regulation, the most restrictive regulations most protective of wetland resources shall apply. (Former Section CZ#A314-10(C))

125.4 CONSULTATION WITH DEPARTMENT OF FISH AND GAME

The County shall request the California Department of Fish and Game to review development plans proposed within coastal wetland buffer areas, and to recommend, within ten (10) working days of the request, measures to mitigate disturbance of habitats. (Former Section CZ#A314-10(D))

125.5 DEFINITIONS

Wetland buffer areas shall be defined as: (Former Section CZ#A314-10(E))

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125.5.1 The area between a wetland and the nearest paved road or the forty (40) foot contour line (as determined from the 7.5-minute USGS contour maps), whichever is the shortest distance; or (Former Section CZ#A314-10(E)(a))

125.5.2 250 feet from the wetland, where the nearest paved road or forty (40) foot contour exceed this distance. (Former Section CZ#A314-10(E)(b))

125.5.3 Transitional Agricultural Lands zoned AE are excluded from the wetland buffer. (Former Section CZ#A314-10(E)(c))

125.6 DEVELOPMENT PERMITTED WITHIN COASTAL WETLAND BUFFER AREAS

The following uses and developments may be permitted anywhere within Coastal Wetland Buffer Areas: (Former Section CZ#A314-10(F))

125.6.1 Uses permitted in the NR - Natural Resources Zone; (Former Section CZ#A314-10(F)(1))

• 125.6.2 Uses permitted in the Transitional Agricultural Land Regulations; (Former Section CZ#A314-10(F)(2))

• 125.6.3 Uses permitted in the Coastal Wetland Regulations; and (Former Section CZ#A314-10(F)(3))

125.6.4 Wells in rural areas. (Former Section CZ#A314-10(F)(4))

125.7 DEVELOPMENT PERMITTED WITHIN COASTAL WETLAND BUFFER AREAS WITH SUPPLEMENTAL SETBACK

Developments not listed as permitted uses within subsection 313-125.6 may be permitted if they maintain the following setbacks from the boundary of the wetland: (Former Section CZ#A314-10(G))

125.7.1 Within an urban limit line: the setback from the boundaries of the wetland shall be either 100 feet or the average setback of existing development immediately adjacent as determined by the “stringline method” as described in the definitions in this Chapter, Section C: Index of Definitions of Language and Legal Terms. (Former Section CZ#A314-10(G)(1))

125.7.2 Outside an urban limit line: The setback shall be between 100 and 200 feet, depending upon the size and sensitivity of the wetland, drainage boundaries, vegetation, adjacent uses, and the potential impacts of the project on the wetland habitat values. The precise width of the setback shall be sufficient to prevent significant effects to the wetland. (Former Section CZ#A314-10(G)(2))

125.7.3 Reduction of Required Setback: In both urban and rural areas, setbacks of less than the distance specified in this section may be permitted only when: (Former Section CZ#A314-10(G)(3))

125.7.3.1 The applicant for the proposed development demonstrates, to the satisfaction of the County, that a setback of less than the distance specified will not result in significant adverse impacts to the wetland habitat and will be compatible with the continuance of such habitats. (Former Section CZ#A314-10(G)(3)(a))

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125.7.3.2 Any such reduction in development setback may require mitigation measures, in addition to those specified below, to ensure new development does not adversely affect the wetland habitat values. (Former Section CZ#A314-10(G)(3)(b))

125.8 REQUIRED FINDINGS

Development within Coastal Wetland Buffer Areas shall be permitted only if the applicable Resource Protection Impact Findings in Chapter 2, Procedures, Supplemental Findings (312-39.15), are made. (Former Section CZ#A314-10(H))

125.9 REQUIRED MITIGATION

All development permitted within wetland buffer areas shall be required to include the following mitigation measures: (Former Section CZ#A314-10(I))

125.9.1 Coverage of the lot or parcel with impervious surfaces shall not exceed twenty-five percent (25%) of the total lot area; (Former Section CZ#A314-10(I)(1))

125.9.2 The release rate of stormwater runoff to adjacent wetlands shall not exceed the natural rate of stormwater runoff for a 50-year storm of 10-minute duration; (Former Section CZ#A314-10(I)(2))

125.9.3 Stormwater outfalls, culverts, gutters, and the like, shall be dissipated, and where feasible, screened; (Former Section CZ#A314-10(I)(3))

125.9.4 Areas disturbed during construction, grading, etc., within 100 feet of the boundary of the wetland shall be restored to original contours and sufficiently and promptly replanted with vegetation naturally occurring in the immediate area; (Former Section CZ#A314-10(I)(4))

125.9.5 Development and construction shall minimize cut-and-fill operations and erosion and sedimentation potential through construction of temporary and permanent sediment basins, seeding or planting bare soil, diversion of runoff away from grading areas and areas heavily used during construction, and, when feasible, avoidance of grading during the rainy season (November through April). (Former Section CZ#A314-10(I)(5))

313-126 through 313-130 (Sections Reserved for Future Use)

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SECTION B: REGULATIONS THAT APPLY IN ALL OR SEVERAL ZONES