Earlier editions: 2026-09
Chapter 30 — GRADING ORDINANCE
Lake County Municipal Code Art. XI Enforcement
Lake County Municipal Code · 2026-10 edition · updated 2026-10-03 · Lake County
Cite as: Lake County Municipal Code Article XI · Text as of 2026-10-03
Sec. 30-43. - Administration.¶
43.1
It shall be the duty of the Administrative Official (or appointed designee) to enforce all the provisions of this Chapter relative to grading activities regulated by this Chapter in the unincorporated areas of the County.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-44. - Penalty.¶
44.1
Any grading performed in violation of this Chapter shall be unlawful and deemed a public nuisance.
44.2
Notwithstanding these regulations, no person shall cause or allow a significant environmental impact to occur as a result of new or continued grading as defined herein, including grading that is exempt from these regulations. In the event that the Administrative Official determines that a significant environmental impact is likely to occur or has occurred as a result of grading activities, the Administrative Official may deny or revoke any grading permit.
44.3
If necessary, the Administrative Official may also require a grading permit for work that is otherwise exempt from these regulations in order to address the identified significant impact.
44.4
It is the intent of this Chapter that the conduct of grading exempted or waived from the requirement to obtain a permit shall incorporate practices consistent with the standards incorporated in this Chapter.
44.5
A violation of any of the provisions of this Chapter, or of any codes adopted by reference in this Chapter, is punishable as an infraction or a misdemeanor. Violations prosecuted as an infraction shall be punishable by fines as specified in Government Code Section 25132. Violations prosecuted as misdemeanors shall be punishable, by imprisonment in the County jail for a term not exceeding six (6) months, or by a fine of one thousand dollars ($1,000.00), or both such fine and imprisonment, as well as all administrative costs associated with such prosecution.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-45. - Arrest and citation powers.¶
45.1
The following officers and employees of the Lake County Community Development Department are hereby given arrest and citation powers pursuant to Section 836.5 of the Penal Code:
a) Community Development Director
b) Chief Building Official
c) Building Inspector
d) Assistant/Associate Resource Planner
e) Senior Resource Planner
f) Code Compliance Manager
g) Code Compliance Officer
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-46. - Stop work orders.¶
46.1
The Administrative Official may order that any grading operations performed in violation of the requirements of this Chapter, the approved plans and specifications, any permit conditions, or any grading operations that have otherwise become hazardous to the property of others or the public welfare be stopped.
46.2
It shall be unlawful and a violation of this code for any person to resume grading operations that were ordered to be stopped, unless the Administrative Official has first required, and the violator has agreed to, any necessary corrective measures, and the Administrative Official has authorized the resumption of work.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-47. - Corrective action.¶
47.1
Whenever the Administrative Official finds that a grading operation has become, or is threatening to become, hazardous to the property of others, the public welfare or the environment, or that violates or will violate the provisions of this Chapter, the Administrative Official may require that the operator submit for approval, a detailed schedule of specific remedies that can be undertaken immediately to bring the work into compliance with this Chapter.
47.2
Within twenty-four (24) hours after acceptance of said remedies by the Administrative Official, the operator/property owner shall at his/her expense undertake the required immediate remedial action as necessary to eliminate the emergency hazard prior to, or concurrent with, any necessary permit application for any further work regulated by this Chapter.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-48. - Notice of violation.¶
48.1
A Notice of Violation shall specify the violation and the corrective action required to abate the violation.
48.2
The Notice of Violation shall also state that failure to abate the violation could subject the responsible party (ies) to administrative and criminal penalties and could result in the imposition of a lien on the property.
48.3
Notice shall be given as specified in Section 13.33.2 of the Lake County Ordinance Code.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-49. - Nuisance and hazard abatement.¶
49.1
Any work done or maintained in violation of the provisions of this Chapter and any use of land operated or maintained in violation of the provisions of this Chapter are hereby declared to be public nuisances and full abatement and restoration may be required and an assessment of cost may be levied pursuant to Chapter 13 of the Lake County Ordinance Code.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-50. - Summary abatement.¶
50.1
Upon discovery of a violation of the provisions of the Chapter, or upon the failure to comply with a Stop Work Order issued by the Administrative Official, the Administrative Official may give the property owner, and any person conducting grading operations in violation of this Chapter, notice of a Summary Grading Nuisance Abatement Order. The notice shall include:
a) a proposed administrative order detailing those actions or cessation of actions required to abate the nuisance
b) a reasonable time period for compliance
c) a reasonable opportunity for all interested parties to appear and be heard regarding the order's provisions.
50.2
If the property owner or any person conducting grading operations in violation of this Chapter fails to comply in a timely manner with the Order, the County of Lake shall commence a summary abatement proceeding in the court of competent jurisdiction with the County of Lake.
50.3
If the County prevails in such summary abatement proceeding, the Court shall, in addition to declaratory and injunctive judicial relief, award the County, as prevailing party, all costs of abatement, including the County's reasonable administrative, legal and enforcement costs. Recovery of abatement costs pursuant to this Section shall be in addition to, and shall not limit, any prevailing party's right to recover costs pursuant to Section 1032 and 1033.5 of the Code of Civil Procedure, or any other provision of law.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-51. - Revocation or modification by count.¶
51.1
A grading permit may be revoked or modified for cause as provided for in this Section.
51.2
For purposes of this Section modification may include the waiver or imposition of new conditions.
51.3
Action to revoke or modify a grading permit may be taken by the Administrative Official, Planning Commission, or Board of Supervisors and shall be based on a determination of one (1) or more of the following grounds:
a) That such permit was obtained or extended by fraud or was issued in error.
b) That one (1) or more of the permit conditions have been violated.
c) That the use for which the permit was granted is being conducted so as to be detrimental to the public health, welfare or safety, or so as to be a nuisance.
51.4
A permit final may be revoked and repairs required to be made within three (3) years from the date of the final if the work is deemed to have been done in violation of this Chapter.
(Ord. No. 2830, § 1, 7-17-2007)
Sec. 30-52. - Severability.¶
52.1
The provisions of this Chapter are hereby declared to be severable. If any provision, clause, sentence, or paragraph of this Chapter is for any reason held to be invalid such decision shall not affect the validity of the remaining provisions, clauses, sentences or paragraphs of this Chapter.
(Ord. No. 2830, § 1, 7-17-2007)
LAKE COUNTY GRADING ORDINANCE — APPENDIX A
EROSION HAZARD RATING
| Soil Map Unit | Erosion Hazard Rating |
|---|---|
| 101 Aiken-Sobrante association, 5 to 15% slopes | moderate |
| 102 Aiken-Sobrante association 15 to 30% slopes | moderate |
| 103 Asbil clay loam, 5 to 8% slopes | moderate |
| 104 Asbil clay loam, 8 to 15% slopes | moderate |
| 105 Badland | severe |
| 106 Bally Phipps gravelly loams, 2 to 8% slopes | slight |
| 107 Bally-Phipps complex, 15 to 30% slopes | severe |
| 108 Bally-Phipps Haploxeralfs association, 30 to 75% slopes | severe |
| 109 Bamtush-Neuns gravelly loams, 15 to 30% slopes | moderate |
| 110 Bamtush-Speaker-Sanhedrin gravelly loams, 30 to 50% slopes | severe |
| 111 Bamtush-Speaker-Sanhedrin gravelly loams, 50 to 75% slopes | severe |
| 112 Benridge-Konocti association, 15 to 30% slopes | severe |
| 113 Benridge-Konocti association, 30 to 50% slopes | severe |
| 114 Benridge-Sodabay loams, 8 to 15% slopes | moderate |
| 115 Benridge-Sodabay loams, 15 to 30% slopes | severe |
| 116 Benridge Variant loam, 2 to 15% slopes | moderate |
| 117 Bottlerock-Glenview-Arrowhead complex, 5 to 30% slopes | moderate |
| 118 Bottlerock-Glenview-Arrowhead complex, 30 to 50% slopes | severe |
| 119 Bressa Millsholm loams, 8 to 15% slopes | moderate |
| 120 Bressa Millsholm loams, 15 to 30% slopes | severe |
| 121 Clear Lake clay, drained, cool | slight |
| 122 Clear Lake Variant clay, drained | slight |
| 123 Cole clay loam, drained | slight |
| 124 Cole Variant clay loam | slight |
| 125 Cole Variant clay loam, calcareous substratum | slight |
| 126 Collayomi complex, 50 to 75% slopes | severe |
| 127 Collayomi-Aiken-Whispering complex, 5 to 30% slopes | moderate |
| 128 Collayomi-Aiken-Whispering complex 30 to 50% slopes | severe |
| 129 Collayomi-Whispering complex, 30 to 50% slopes | severe |
| 130 Deadwood-Sheetiron association, 50 to 75% slopes | severe |
| 131 Fluventic Haplaquolls, nearly level | slight |
| 132 Forbesville loam, 2 to 5% slopes | slight |
| 133 Forbesville loam, 5 to 15% slopes | moderate |
| 134 Forward Variant-Kidd association, 30 to 50% slopes | severe |
| 135 Forward Variant-Kidd association, 50 to 75% slopes | severe |
| 136 Freezeout-Yollabolly very gravelly sandy loams, 30 to 50% slopes | moderate |
| 137 Freezeout-Yollabolly very gravelly sandy loams, 50 to 75% slopes | severe |
| 138 Glenview-Arrowhead complex, 5 to 15% slopes | moderate |
| 139 Glenview-Arrowhead complex, 15 to 30% slopes | severe |
| 140 Glenview-Bottlerock complex, 2 to 5% slopes | slight |
| 141 Henneke-Montara complex, 8 to 15% slopes | moderate |
| 142 Henneke-Montara-Rock outcrop complex, 15 to 30% slopes | severe * |
| 143 Henneke-Okiota complex, 30 to 50% | severe * |
| 144 Jafa loam, 2 to 5% slopes | slight |
| 145 Jafa loam, 2 to 5% slopes | moderate |
| 146 Jafa complex, 5 to 30% slopes | severe |
| 147 Kelsey fine sandy loam | slight |
| 148 Kidd-Forward complex, 5 to 30% slopes | moderate |
| 149 Kidd-Forward complex, 30 to 50% slopes | severe |
| 150 Kilaga Variant loam, 0 to 5% slopes | slight |
| 151 Konocti-Benridge complex, 50 to 75% slopes | severe |
| 152 Konocti-Hambright complex, 5 to 15% slopes | moderate |
| 153 Konocti-Hambright complex, 15 to 30% slopes | severe |
| 154 Konocti-Hambright-Rock outcrop complex, 30 to 75% slopes | severe |
| 155 Konocti Variant-Konocti-Hambright complex, 2 to 15% slopes | moderate |
| 156 Konocti Variant-Konocti-Hambright complex, 15 to 30% slopes | moderate |
| 157 Landlow Variant silty clay loam | slight |
| 158 Lupoyoma silt loam, protected | slight |
| 159 Manzanita loam, 2 to 5% slopes | slight |
| 160 Manzanita loam, 5 to 15% slopes | moderate |
| 161 Manzanita loam, 15 to 25% slopes | severe |
| 162 Manzanita gravelly loam, 2 to 8% slopes | moderate |
| 163 Manzanita gravelly loam, 8 to 25% slopes | severe |
| 164 Maxwell clay loam, 0 to 2% slopes | slight * |
| 165 Maxwell clay loam, 2 to 8% slopes | moderate * |
| 166 Maymen-Etsel-Mayacama complex, 15 to 30% slopes | moderate |
| 167 Maymen-Etsel-Mayacama complex, 30 to 75% slopes | severe |
| 168 Maymen-Etsel-Snook complex, 15 to 30% slopes | moderate |
| 169 Maymen-Etsel-Snook complex, 30 to 75% slopes | severe |
| 170 Maymen-Etsel-Speaker association, 30 to 50% slopes | severe |
| 171 Maymen-Hopland-Etsel association, 15 to 50% slopes | severe |
| 172 Maymen-Hopland-Mayacama complex, 9 to 30% slopes | moderate |
| 173 Maymen-Hopland-Mayacama association, 30 to 50% slopes | severe |
| 174 Maymen-Hopland-Mayacama association, 50 to 75% slopes | severe |
| 175 Maymen-Millsholm-Bressa complex, 30 to 50% slopes | severe |
| 176 Maywood variant sandy loam | slight |
| 177 Millsholm-Bressa loams, 30 to 50% slopes | severe |
| 178 Millsholm-Bressa-Hopland association, 30 to 50% slopes | severe |
| 179 Millsholm-Squawrock-Pomo complex, 30 to 50% slopes | severe |
| 180 Mocho Variant loam | slight |
| 181 Neice-Sobrante-Hambright complex, 30 to 75% slopes | severe |
| 182 Neice-Sobrante-Hambright complex, 30 to 75% slopes | severe |
| 183 Neuns-Bamtush-Deadwood association, 30 to 50% slopes | severe |
| 184 Neuns-Deadwood-Bamtush association, 50 to 75% slopes | severe |
| 185 Neuns-Decy-Sanhedrin complex, 30 to 50% slopes | severe |
| 186 Neuns-Sanhedrin-Deadwood complex, 30 to 50% slopes | severe |
| 187 Neuns-Sanhedrin-Deadwood complex, 50 to 75% slopes | severe |
| 188 Neuns-Sanhedrin-Speaker gravelly loams, 30 to 50% slopes | severe |
| 189 Neuns-Sheetiron-Deadwood complex, 30 to 50% slopes | severe |
| 190 Neuns-Sheetiron-Deadwood complex, 50 to 75% slopes | severe |
| 191 Neuns-Speaker gravelly loams, 15 to 30% slopes | moderate |
| 192 Okiota-Henneke complex, 5 to 30% slopes | moderate * |
| 193 Okiota-Henneke-Dubakella association, 15 to 50% slopes | severe * |
| 194 Oxalis Variant silt loam | slight |
| 195 Phipps complex, 5 to 15% slopes | moderate |
| 196 Phipps complex, 15 to 30% slopes | severe |
| 197 Phipps complex, 30 to 50% slopes | severe |
| 198 Pomo-Bressa loams, 15 to 50% slopes | severe |
| 199 Riverwash | varies according to water velocities |
| 200 Rock outcrop-Etsel-Snook complex, 50 to 80% slopes | severe |
| 201 Sanhedrin-Kekawaka-Speaker complex, 15 to 30% slopes | severe |
| 202 Sanhedrin-Kekawaka-Speaker complex, 30 to 50% slopes | severe |
| 203 San Joaquin Variant fine sandy loam, 0 to 5% slopes | slight |
| 204 Sheetiron-Deadwood association, 30 to 50% slopes | severe |
| 205 Sheetiron-Deadwood association, 50 to 75% slopes | severe |
| 206 Shortyork Variant-Yorkville-Squawrock association, 15 to 50% slopes | severe * |
| 207 Skyhigh-Asbil complex, 8 to 15% slopes | moderate |
| 208 Skyhigh-Asbil complex, 15 to 50% slopes | severe |
| 209 Skyhigh-Millsholm loams, 15 to 50% slopes | severe |
| 210 Skyhigh-Sleeper-Millsholm association, 8 to 15% slopes | moderate |
| 211 Skyhigh-Sleeper-Millsholm association, 15 to 30% slopes | severe |
| 212 Skyhigh-Sleeper-Millsholm association, 30 to 50% slopes | severe |
| 213 Sleeper Variant-Sleeper loams, 5 to 15% slopes | moderate |
| 214 Sleeper Variant-Sleeper loams, 15 to 30% slopes | severe |
| 215 Sleeper Variant-Sleeper loams, 30 to 50% slopes | severe |
| 216 Sobrante-Collayomi-Whispering association, 15 to 30% slopes | severe |
| 217 Sobrante-Collayomi-Whispering association, 30 to 50% slopes | severe |
| 218 Sobrante-Guenoc-Hambright complex, 2 to 15% slopes | moderate |
| 219 Sobrante-Guenoc-Hambright complex, 15 to 30% slopes | moderate |
| 220 Sobrante-Hambright-Guenoc complex, 30 to 50% slopes | severe |
| 221 Sodabay loam, 5 to 15% slopes | moderate |
| 222 Sodabay loam, 15 to 30% slopes | severe |
| 223 Sodabay-Konocti association, 5 to 30% slopes | severe |
| 224 Speaker-Marpa-Sanhedrin gravelly loams, 30 to 50% slopes | severe |
| 225 Speaker-Maymen-Marpa association, 30 to 50% slopes | severe |
| 226 Speaker-Maymen-Marpa association, 50 to 75% slopes | severe |
| 227 Speaker-Maymen-Millsholm association, 30 to 50% slopes | severe |
| 228 Speaker-Sanhedrin gravelly loams, 50 to 75% slopes | severe |
| 229 Speaker-Sanhedrin-Maymen association, 30 to 50% slopes | severe |
| 230 Speaker-Speaker Variant-Sanhedrin association, 5 to 30% slopes | moderate |
| 231 Squawrock-Shortyork Variant gravelly loams, 15 to 30% slopes | moderate |
| 232 Still loam | slight |
| 233 Still loam, stratified substratum | Slight |
| 234 Still gravelly loam | slight |
| 235 Still-Talmage complex, 2 to 8% slopes | moderate |
| 236 Stonyford-Guenoc complex, 30 to 50% slopes | severe |
| 237 Talmage very gravelly sandy loam | slight |
| 238 Tulelake silty clay loam, flooded | slight |
| 239 Tulelake silty clay loam, protected | slight |
| 240 Tyson-Neuns gravelly loams, 30 to 75% slopes | severe |
| 241 Vitrandepts-Cinder land complex, 15 to 75% slopes | |
| 242 Wappo loam, 2 to 8% slopes | moderate |
| 243 Wappo loam, 8 to 15% slopes | moderate |
| 244 Wappo variant clay loam, 2 to 8% slopes | moderate |
| 245 Whispering-Collayomi complex, 50 to 75% slopes | severe |
| 246 Wolfcreek gravelly loam | slight |
| 247 Wolfcreek loam | slight |
| 248 Xerofluvents, very gravelly | slight |
| 249 Xerofluvents-Riverwash complex | slight |
| 250 Yollabolly-Freezeout very gravelly sandy loams, 30 to 50% slopes | moderate |
| 251 Yollabolly Rock outcrop-Freezeout complex, 50 to 75% slopes | severe |
| 252 Yorktree-Hopland-Squawrock complex, 15 to 50% slopes | severe |
| 253 Yorkville-Pomo complex, 15 to 50% slopes | severe |
| 254 Yorkville-Yorktree-Squawrock association, 15 to 50% slopes | severe |
| 255 Yorkville Variant clay loam, 2 to 8% slopes | moderate * |
* Denotes most common serpentine soil units subject to asbestos hazard mitigation dust control requirements.
(Ord. No. 2830, § 1, 7-17-2007)
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