PAN Pesticides Database - California Pesticide Use

Pesticide Use in San Luis Obispo in 2016, Central Coast Region

Note: See Working with the Information on this Page section below for important notes about this data.

Basic Information about this county including contact information for the California County Agricultural Commissioner in this county.
Top 50 pesticides used in this county or region in 2016, with information on the identity, use type and toxicity of each pesticide, as well as gross pounds used, application rate, acres planted, and number of applications.
Top crops and sites for chemical use in this county or region in 2016, with information on gross pounds used, application rate, acres planted, and number of applications.

Basic County Information for San Luis Obispo

Agricultural Commissioner Contact Information
Click below for detailed map of
San Luis Obispo
Robert F. Lilley
2156 Sierra Way, Ste A
San Luis Obispo, CA 93401-4556
Phone:805-781-5910
Fax: 805-781-1035
Email: Agcommslo@co.slo.ca.us
Web: http://www.sloag.org/

For more detailed county agricultural contact information, see the CDFA County Ag Liaison Office.

Top 50 Pesticides Used on All Sites in San Luis Obispo in 2016


Totals for 2003 and later may be under-reported due to omission of adjuvants in DPR's data since that time.
Chemical Name
(CA Chem Code)
Chemical Class PAN Bad Actor Gross
Pounds
Application Rate
Pounds per acre treated
Acres Planted
where all or part
has been sprayed
Acres Treated
All Chemicals (NA, 00)
Not Listed 3,044,020 1.26 140,215 2,273,480
Uses:
Sulfur (560)
Inorganic Not Listed 735,049 4.08 48,904 180,134
Uses: Fungicide, Insecticide
Chloropicrin (136)
Inorganic Yes 609,249 179.8 4,144 3,388
Uses: Fumigant, Nematicide
1,3-Dichloropropene (573)
Halogenated organic Yes 306,441 111.0 3,220 2,762
Uses: Fumigant, Nematicide
Mineral oil, refined (401, 3846, 3847, 2601, 2106, 2045, 2768)
Petroleum derivative-Saturated Not Listed 194,152 4.15 31,685 46,540
Note! Data for Mineral oil, refined summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Herbicide, Plant Growth Regulator, Insecticide, Adjuvant, Solvent
Metam potassium (970)
Dithiocarbamate-MITC Yes 171,848 256.7 1,362 669.5
Uses: Fumigant, Fungicide, Microbiocide, Algaecide, Nematicide
Glyphosate, isopropylamine salt (1855)
Phosphonoglycine Yes 87,866 2.50 33,266 29,922
Uses: Herbicide
Sodium bromide (1103)
Inorganic Not Listed 76,995 49.8 - 6.00
Uses: Molluscicide, Herbicide, Insecticide, Microbiocide
Captan (104)
Thiophthalimide Yes 68,860 2.53 3,683 27,226
Uses: Fungicide
Methyl bromide (385)
Halogenated organic Yes 50,708 139.2 505.5 231.7
Uses: Fumigant, Insecticide, Herbicide, Nematicide
Sulfuryl fluoride (618)
Inorganic Yes 43,951 - - -
Uses: Fumigant
Petroleum distillates, aromatic (1814)
Petroleum derivative-Aromatic Yes 33,055 1.57 27,306 21,028
Uses: Solvent, Herbicide, Insecticide
Nonyl phenoxy poly (ethylene oxy) ethanol (1743, 1397, 3999, 5755)
Polyalkyloxy Compound Not Listed 32,006 0.23 65,738 133,597
Note! Data for Nonyl phenoxy poly (ethylene oxy) ethanol summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Adjuvant, Plant Growth Regulator, Soap or Surfactant
Lime-sulfur (358)
Inorganic Not Listed 28,477 15.8 2,257 1,807
Uses: Insecticide, Fungicide
Glufosinate-ammonium (3946)
Phosphonoglycine Not Listed 27,775 1.22 29,886 22,703
Uses: Herbicide
Oxyfluorfen (1973)
Diphenyl ether Yes 26,627 0.82 41,855 31,862
Uses: Herbicide
Pendimethalin (1929)
2,6-Dinitroaniline Not Listed 26,167 2.68 14,323 9,629
Uses: Herbicide
Potassium bicarbonate (5037)
Inorganic Not Listed 24,687 3.37 7,719 7,329
Uses: Fungicide
Mineral oil, unrefined (765, 763, 473)
Petroleum derivative-Aromatic Yes 23,670 16.6 1,918 1,420
Note! Data for Mineral oil, unrefined summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Insecticide, Adjuvant, Herbicide, Fungicide
Neem oil (3979, 6065)
Botanical Not Listed 20,574 3.01 5,058 6,302
Note! Data for Neem oil summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Insecticide
Malathion (367)
Organophosphorus Yes 16,161 1.42 7,453 11,328
Uses: Insecticide
Diethylene glycol (2334)
Glycol Not Listed 14,796 0.35 24,906 41,063
Uses: Adjuvant, Solvent
Glyphosate, potassium salt (5820)
Phosphonoglycine Yes 14,703 1.69 13,584 7,144
Uses: Herbicide
Copper hydroxide (151)
Inorganic-Copper Not Listed 14,549 0.50 27,449 29,165
Uses: Fungicide, Microbiocide, Nematicide
Kaolin (2629)
Inorganic Not Listed 13,642 57.9 237.0 235.6
Uses: Insecticide, Adjuvant, Fungicide, Microbiocide
Imidacloprid (3849)
Neonicotinoid Not Listed 13,158 0.29 47,358 44,896
Uses: Insecticide
Metam-sodium (616)
Dithiocarbamate-MITC Yes 12,050 68.9 247.5 174.9
Uses: Fumigant, Herbicide, Fungicide, Microbiocide, Algaecide
Mancozeb (211)
Dithiocarbamate-ETU, Inorganic-Zinc Yes 11,629 1.35 5,563 8,251
Uses: Fungicide
Fatty Acids, C16-C18 and C18-unsaturated, methyl esters (5881)
Fatty acid ester Not Listed 10,930 0.38 15,946 28,697
Uses: Adjuvant
Flumioxazin (5802)
Unclassified Not Listed 8,209 0.66 18,944 12,386
Uses: Herbicide
2,4-D, dimethylamine salt (806)
Chlorophenoxy acid, salt, or ester Not Listed 8,164 0.75 13,738 10,709
Uses: Herbicide
Trimethyl nonanol-ethylene oxide complex (1196)
Polyalkyloxy Compound Not Listed 7,961 0.21 22,754 38,241
Uses: Adjuvant
Aluminum phosphide (484)
Inorganic Yes 7,514 1.38 1,986 4,273
Uses: Fumigant, Fungicide
DCPA (179)
Alkyl Phthalate Yes 7,361 5.23 2,352 1,408
Uses: Herbicide
Copper sulfate (pentahydrate) (161)
Inorganic-Copper Not Listed 6,857 43.8 526.4 105.0
Uses: Fungicide, Algaecide, Insecticide, Water Treatment, Molluscicide
Calcium hypochlorite (326)
Inorganic Not Listed 6,665 4.61 40.0 40.7
Uses: Algaecide, Water Treatment
p-nonylphenyl polyoxyethylene (4-14 moles)dihydrogen phosphate ester (5016)
Polyalkyloxy Compound Not Listed 6,511 0.13 32,012 51,733
Uses: Adjuvant, Soap or Surfactant
Boscalid (5790)
Anilide Not Listed 6,421 0.29 21,262 22,275
Uses: Fungicide
Mono- and di- potassium salts of phosphorous acid (5766)
Inorganic Not Listed 6,327 3.10 958.0 2,020
Uses: Fungicide, Microbiocide
Ammonium propionate (5015)
Carboxylic acid or salt Not Listed 6,069 0.30 18,441 19,828
Uses: Preservative, Microbiocide
Cyprodinil (4000)
Pyrimidine Not Listed 5,727 0.33 14,613 17,212
Uses: Fungicide
Methyl soyate (3519)
Fatty acid ester Not Listed 5,658 0.44 6,602 12,166
Uses: Adjuvant
Thiophanate-methyl (1696)
Benzimidazole precursor Yes 5,372 0.74 8,470 6,926
Uses: Fungicide
Lecithin (3264)
Botanical Not Listed 5,339 0.40 11,767 13,204
Uses: Fungicide
Chlorothalonil (677)
Substituted Benzene Yes 5,318 1.18 2,732 4,026
Uses: Fungicide
Ammonium sulfate (1363)
Inorganic Not Listed 5,059 0.16 22,825 26,922
Uses: Herbicide, pH Adjustment
Pyraclostrobin (5759)
Strobin Not Listed 4,679 0.16 23,588 29,864
Uses: Fungicide
Alcohol ethoxylate (C9-C11, 6 EO) (2700)
Polyalkyloxy Compound Not Listed 4,639 0.08 21,375 55,102
Uses: Adjuvant
Silicone-polyether copolymer (3520, 3841)
Polyalkyloxy Compound, Polymer, Polyalkyloxy Compound Not Listed 4,632 0.09 26,360 48,802
Note! Data for Silicone-polyether copolymer summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Adjuvant
Propyzamide (694)
Amide Yes 4,553 1.28 4,091 3,565
Uses: Herbicide

Top 50 Crops and Sites for for All Chemicals use in San Luis Obispo in 2016

Crop or Site
(Commodity Code)
Gross
Pounds
Application Rate
pounds per acre treated
Acres Planted
where all or part
has been sprayed
Acres Treated Application
Count
All Sites (00)
3,044,020 1.26 140,215 2,273,480 95,187
Strawberries (1016)
1,177,990 2.61 6,254 450,520 5,463
Wine Grapes (29143)
922,098 0.79 42,819 1,174,490 23,597
Carrots (29111)
219,885 8.35 4,066 26,322 377
Table and Raisin Grapes (29141)
93,824 2.64 834.7 35,562 509
null (65029)
76,995 49.8 - 6.00 9
Chinese Cabbage (13010)
67,084 1.86 1,921 35,973 3,979
Lemons (2004)
64,090 2.39 1,726 26,862 705
Avocado (28000)
59,432 3.63 4,077 16,358 620
Structural Pest Control (10)
47,748 - - - 4,480
Head Lettuce (13045)
43,939 0.34 5,616 127,552 8,649
Broccoli (13005)
37,607 0.25 9,420 88,463 5,784
Brussel Sprouts (13006)
29,396 1.13 1,058 26,123 1,875
Cauliflower (13008)
19,414 0.70 4,084 27,803 2,198
Right of Way (40)
14,600 - - - 854
Landscape (30)
13,914 - - - 3,024
Onions (14011)
11,133 1.66 609.2 6,718 348
Olives (28014)
10,772 2.88 598.8 3,735 120
Peas (29127)
8,708 2.34 530.2 3,727 290
Leaf Lettuce (13031)
8,156 0.29 1,943 27,745 3,282
Barley (29103)
7,162 0.23 13,602 31,732 146
Aquatic Area (65000)
6,720 42.6 67.2 107.5 16
Cabbage (13007)
6,708 0.62 1,196 10,779 1,378
Irrigation Systems (65021)
6,647 250.0 - 0.68 11
Celery (29113)
5,691 0.33 895.3 17,470 1,997
Bell Peppers (11003)
5,660 0.54 1,490 10,503 610
Soil Preplant (40008)
5,351 118.9 45.0 45.0 1
Tomatoes (11005)
4,860 4.04 904.2 1,203 234
Spinach (13024)
4,736 0.35 1,435 13,582 2,654
Greenhouse Flowers (151)
4,094 0.42 93.8 9,798 3,582
Potatoes (14013)
3,769 0.44 492.0 8,493 72
Commodity Fumigation (90)
3,335 - - - 31
Vertebrate Pest Control (80)
3,326 4.80 83.5 325.7 544
Greenhouse Propagation (155)
2,964 0.42 41.0 6,048 3,548
Outdoor Propagation Nursery (156)
2,946 0.63 54.1 3,675 3,030
Other Fumigation (91)
2,792 - - - 148
Alfalfa for Forage (23001)
2,622 0.36 1,187 7,228 72
Garlic (14007)
2,498 1.32 640.0 1,894 27
Outdoor Flower Nursery (152)
2,364 0.35 108.0 6,727 1,165
Blackberries (1002)
2,237 1.01 92.3 2,222 169
Bok Choy (13502)
2,053 0.28 1,193 7,290 2,075
Oats (29125)
1,945 0.16 3,328 12,382 164
Artichokes (13018)
1,924 0.42 117.8 4,567 383
Forage Grasses (22000)
1,808 0.28 3,730 6,522 144
Beets (29109)
1,749 2.09 270.0 838.5 77
Kale (13011)
1,704 0.60 737.0 2,830 512
Mushrooms (16003)
1,611 - - - 876
Swiss Chard (13025)
1,495 1.90 264.0 787.9 39
Squash (10012)
1,476 8.20 145.0 180.0 76
Cilanto (13501)
1,356 0.93 1,037 1,454 441
 
Working with the Information on this Page

* Complete 2001 data for Kern county was never submitted by the Kern County Agricultural Commissioners office. This missing data includes approximately 32,000 records totaling roughly 10 million pounds. An omission of this scale will significantly impact statewide trends.

** The 2005 data for Ventura county is incomplete because not all of the data was available at the time of DPR's release. Missing data includes mostly applications made in November and December. An estimate based on reported use in Ventura County during November and December from 2002 to 2004 suggests that the 2005 total pounds is underreported by approximately 500,000 pounds. The active ingredients most affected are captan and petroleum oil. See the DPR's 2005 PUR report for additional details.

NOTE! See methodology and documentation for California Pesticide Use Reporting for important qualifications on these numbers.

Click on the commodities name links for special caveats on the data for each commodity. For more detailed use information, including data for other years, search our California Pesticide Use database. Original source for all pesticide use data is the California Pesticide Use Report (PUR) dataset, collected and managed by the California Department of Pesticide Regulation. Significant processing of the original dataset is required to generate the summary data presented here; see documentation for a full discussion of data handling.

NOTE! Comments on the accuracy of Acres Planted reflect PAN's analysis of acreage data from the California Agricultural Statistics Service (CASS) and Department of Pesticide Regulation Pesticide Use Reporting data. The method used to assess acreage accuracy is described in the documentation. Accuracy was evaluated for aggregate, statewide California acreage, but not for smaller regions (e.g., counties). See CASS acreage estimates for additional information.

Click on underlined terms for definitions or go to the Pesticide Tutorial overview page.

Any underlined term with a book icon has additional information.

To print this page, choose Print. To export this data, choose Save As 'HTML Source' and open it in Excel or equivalent program.

Definitions
  • Acres Planted is the planted acreage of the crop in the selected region where the selected chemical was applied. This figure may not be the total acreage of the selected crop. To obtain the total planted acreage for a crop or county, see the crop and county pages available from the Pesticide Use Search Page. See documentation for important distinctions between acres treated and acres planted.
  • Acres Treated is the acreage of the crop actually treated with the pesticide. Gross Pounds applied divided by Acres Treated is the application rate of the pesticide. The difference between Acres Planted and Acres Treated is best explained through an example:If a farmer has a 100-acre field and sprays 50 acres, then the Acres Planted will be 100 and the Acres Treated will be 50. If a farmer sprays 50 of their 100 acres three times, then the Acres Planted will remain at 100 acres, but now the value of Acres Treated will be 150. This figure may not be the total acreage of the selected crop. See documentation for further distinctions between acres treated and acres planted.
  • Application Count indicates the number of times this chemical was applied.
  • Application Rate indicates the total pounds applied to acreage divided by the total treated acres. Only pounds applied to acreage are used to calculate the application rate. This excludes pesticides used to fumigate stored commodities or other non-cropland applications. See documentation for important distinctions between acres treated and acres planted.
  • Chemical Class indicates the chemical classification of this chemical.
  • Chemical Code is the California Department of Pesticide Regulation code number assigned as an identifier for each chemical.
  • Chemical Uses indicates the major uses for this chemical, with the most common use listed first.
  • County Code is a code number that various California State agencies use to identify each California county. There are 58 total counties.
  • Field Count is the number of fields where this chemical was applied.
  • Gross Pounds indicates the total pounds used, including both pounds used on acreage and pounds used in other applications such as commodity fumigation.
  • PAN Bad Actor indicates whether this chemical belongs to the group of most toxic pesticides or not. See link for a full definition of this term.