Gail Thelin 20051004 Version 2.0, October 06, 2005 digital data Reston, VA U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?pesticide_use97 This dataset includes information for 220 pesticides on the average amount (pounds) applied to 87 agricultural crops and the acres of crops treated for counties within the conterminous United States. These data were derived by combining published state pesticide use coefficients published by the National Center for Food and Agricultural Policy (NCFAP) and county harvested crop acres available from the 1997 Census of Agriculture. A description of the methods used to develop the county datbase is published in USGS OFR 00-250, "Method for Estimating Pesticide Use" and is available from: http://pubs.er.usgs.gov/pubs/of/ofr00250. Maps showing the geographic distribution of use for 219 compounds (BT was not mapped) are available from http://ca.water.usgs.gov/pnsp/. The pesticide use estimates represent average usage patterns for the years 1995-1998 and do not represent a specific year. Key limitations of the data include: (1) state use coefficients represent an average for the entire state and consequently do not reflect the local variability of pesticide management practices found within states and counties, (2) pesticide use estimates are not for a specific year, but represent typical use patterns for a four year period, (3) state pesticide use coefficients may not have been available for all states where a pesticide may have been applied to agricultural land and therefore are not included, and (4) the county crop acreage is based on the 1997 Census of Agriculture and may not represent all crop acreage due to Census nondisclosure rules. These data are useful for estimating pesticide use by crop and compound at National, state and regional scales. County estimates for 220 compounds and 87 crops are based on information released in November 2000 by the National Center for Food and Agricultural Policy (NCFAP). NCFAP assembled over 244 pesticide use reports for specific crops, state, and pesticides that represent average annual pesticide application rates. Use coefficients are avaiable for cropland only and do not include greenhouse, livestock, ornamental plant and post-harvest application nor information on the use of rodenticides or animal repellants. The 1997 National Pesticide Use Database does not include the same compounds reported in the 1992 version of the database because of changes in pesticide usage due to the introduction of new compounds and the phase-out of others. The 1997 estimates of pesticide use on pastureland and fallow land are based on crop acreage from the Census of Agriculture while the 1992 pesticide use estimates were based on crop acreage from other sources. A report, "Pesticide Use in U.S. Crop Production: 1997," details the methods used to create the database and references for the use coefficients are available online: http://www.ncfap.org/ncfap/nationalsummary1997.pdf The National database of state use-coefficients is available for download at: http://www.ncfap.org/database/default.php The USGS Pesticide National Synthesis Project (PNSP) applied NCFAP state pesticide coefficients to 1997 Census of Agriculture county harvest crop acreage to develop a database of county estimates of pesticide use for 220 compounds and 87 crops. The USGS county pesticide use database contains 531,194 records. Each record is a unique combination of a pesticide, crop, and county. Each record includes state and county FIPS code, state name, county name, pesticide name, pesticide type, crop name 1997 Census of Agriculture county crop acres, the estimated average annual pounds applied in the county, and the acres treated for each county. Note, records for BT include information on the number of acres treated and not pounds applied because BT is a microorganism rather than a chemical compound. A description of the methods used to develop the county database is published in USGS OFR 00-250, "Method for Estimating Pesticide Use" and is available online from: http://pubs.er.usgs.gov/pubs/ofr/ofr00250 > ========================================================= > The 220 compounds and type contained in the data file are listed below. 1,3-D, other pesticide 2,4-D, herbicide 2,4-DB, herbicide ABAMECTIN, insecticide ACEPHATE, insecticide ACETOCHLOR, herbicide ACIFLUORFEN, herbicide ALACHLOR, herbicide ALDICARB, insecticide AMETRYN, herbicide AMITRAZ, insecticide ASULAM, herbicide ATRAZINE, herbicide AZADIRACHTIN, insecticide AZINPHOS-METHYL, insecticide AZOXYSTROBIN, fungicide BENEFIN, herbicide BENOMYL, fungicide BENSULFURON, herbicide BENSULIDE, herbicide BENTAZON, herbicide BENZYLADENINE, other pesticide BIFENTHRIN, insecticide BROMACIL herbicide BROMOXYNIL herbicide BT insecticide BUPROFEZIN insecticide BUTENOIC ACID other pesticide BUTYLATE herbicide CACODYLIC ACID other pesticide CAPTAN fungicide CARBARYL insecticide CARBOFURAN insecticide CHLORETHOXYFOS insecticide CHLORIMURON herbicide CHLOROPICRIN other pesticide CHLOROTHALONIL fungicide CHLORPYRIFOS insecticide CHLORSULFURON herbicide CLETHODIM herbicide CLOFENTEZINE insecticide CLOMAZONE herbicide CLOPYRALID herbicide COPPER fungicide CRYOLITE insecticide CYANAZINE herbicide CYCLANILIDE other pesticide CYCLOATE herbicide CYFLUTHRIN insecticide CYMOXANIL fungicide CYPERMETHRIN insecticide CYROMAZINE insecticide CYTOKININS other pesticide DCNA fungicide DCPA herbicide DELTAMETHRIN insecticide DESMEDIPHAM herbicide DIAZINON insecticide DICAMBA herbicide DICHLOBENIL herbicide DICLOFOP herbicide DICOFOL insecticide DICROTOPHOS insecticide DIFENZOQUAT herbicide DIFLUBENZURON insecticide DIMETHENAMID herbicide DIMETHIPIN other pesticide DIMETHOATE insecticide DIMETHOMORPH fungicide DIQUAT herbicide DISULFOTON insecticide DIURON herbicide DODINE fungicide DSMA herbicide ENDOSULFAN insecticide ENDOTHALL herbicide EPTC herbicide ESFENVALERATE insecticide ETHALFLURALIN herbicide ETHEPHON other pesticide ETHION insecticide ETHOFUMESATE herbicide ETHOPROP insecticide ETHYL PARATHION insecticide ETRIDIAZOLE fungicide FENAMIPHOS insecticide FENARIMOL fungicide FENBUCONAZOLE fungicide FENBUTATIN OXIDE insecticide FENOXAPROP herbicide FENPROPATHRIN insecticide FERBAM fungicide FLUAZIFOP herbicide FLUMETRALIN other pesticide FLUMETSULAM herbicide FLUMICLORAC herbicide FLUOMETURON herbicide FLUTOLANIL fungicide FOMESAFEN herbicide FONOFOS insecticide FORMETANATE HCL insecticide FOSETYL-AL fungicide GIBBERELLIC ACID other pesticide GLYPHOSATE herbicide HALOSULFURON herbicide HEXAZINONE herbicide HEXYTHIAZOX insecticide IMAZAMETHABENZ herbicide IMAZAPIC herbicide IMAZAQUIN herbicide IMAZETHAPYR herbicide IMIDACLOPRID insecticide IPRODIONE fungicide LACTOFEN herbicide LAMBDACYHALOTHRIN insecticide LINDANE insecticide LINURON herbicide MALATHION insecticide MALEIC HYDRAZIDE other pesticide MANCOZEB fungicide MANEB fungicide MCPA herbicide MCPB herbicide MCPP herbicide MEFENOXAM fungicide MEPIQUAT CHLORIDE other pesticide METALAXYL fungicide METALDEHYDE insecticide METAM SODIUM other pesticide METHAMIDOPHOS insecticide METHIDATHION insecticide METHOMYL insecticide METHOXYCHLOR insecticide METHYL BROMIDE other pesticide METHYL PARATHION insecticide METIRAM fungicide METOLACHLOR herbicide METRIBUZIN herbicide METSULFURON herbicide MOLINATE herbicide MSMA herbicide MYCLOBUTANIL fungicide NAA other pesticide NAD other pesticide NALED insecticide NAPROPAMIDE herbicide NAPTALAM herbicide NICOSULFURON herbicide NORFLURAZON herbicide OIL insecticide ORYZALIN herbicide OXAMYL insecticide OXYDEMETON-METHYL insecticide OXYFLUORFEN herbicide OXYTETRACYCLINE fungicide OXYTHIOQUINOX insecticide PARAQUAT herbicide PCNB fungicide PEBULATE herbicide PENDIMETHALIN herbicide PERMETHRIN insecticide PHENMEDIPHAM herbicide PHORATE insecticide PHOSMET insecticide PICLORAM herbicide PRIMISULFURON herbicide PROFENOFOS insecticide PROMETRYN herbicide PRONAMIDE herbicide PROPACHLOR herbicide PROPAMOCARB fungicide PROPANIL herbicide PROPARGITE insecticide PROPICONAZOLE fungicide PROSULFURON herbicide PYRAZON herbicide PYRIDABEN insecticide PYRIDATE herbicide PYRIPROXYFEN insecticide PYRITHIOBAC herbicide QUINCLORAC herbicide QUIZALOFOP herbicide RIMSULFURON herbicide SETHOXYDIM herbicide SIMAZINE herbicide SODIUM CHLORATE other pesticide SPINOSAD insecticide STREPTOMYCIN fungicide SULFENTRAZONE herbicide SULFUR fungicide SULFURIC ACID other pesticide SULPROFOS insecticide TEBUCONAZOLE fungicide TEBUFENOZIDE insecticide TEBUPIRIMPHOS insecticide TEBUTHIURON herbicide TEFLUTHRIN insecticide TERBACIL herbicide TERBUFOS insecticide THIDIAZURON other pesticide THIFENSULFURON herbicide THIOBENCARB herbicide THIODICARB insecticide THIOPHANATE METHYL fungicide THIRAM fungicide TRALOMETHRIN insecticide TRIADIMEFON fungicide TRIALLATE herbicide TRIASULFURON herbicide TRIBENURON herbicide TRIBUFOS other pesticide TRICLOPYR herbicide TRIFLUMIZOLE fungicide TRIFLURALIN herbicide TRIFLUSULFURON herbicide TRIFORINE fungicide TRIPHENYLTIN HYD fungicide VERNOLATE herbicide VINCLOZOLIN fungicide ZIRAM fungicide >=============================================================== State pesticide use-coefficients were applied to county harvested crop acreage obtained from the 1997 Census of Agriculture for the crops listed. For some crops, the Census reports several categories of a crop, such as "sorghum for grain," "sorghum for dry forage," and "sorghum for silage." In these cases, the crop acreages were added together to produce total sorghum acreage. Please refer to OFR 000-250 for a description of crops that include multiple crop acreages. ALFALFA ALMONDS APPLES APRICOTS ARTICHOKES ASPARAGUS AVOCADOS BARLEY BEETS BLACKBERRIES BLUEBERRIES BROCCOLI BRUSSEL SPROUTS CABBAGE CANOLA CANTALOUPES CARROTS CAULIFLOWER CELERY CHERRIES CITRUS COLLARDS CORN COTTON CRANBERRIES CUCUMBERS DATES DRY BEANS DRY PEAS EGGPLANT FALLOWLAND FIGS FLAX GARLIC GRAPES GREEN BEANS GREEN ONIONS GREEN PEAS HAZELNUTS HOPS HOT PEPPERS KIWI LETTUCE MELONS MILLET MINT NECTARINES OATS OKRA OLIVES ONIONS OTHER HAY PARSLEY PASTURE PEACHES PEANUTS PEARS PECANS PISTACHIOS PLUMS/PRUNES POMEGRANATES POTATOES PUMPKINS RADISHES RASPBERRIES RICE RYE SAFFLOWER SEED CROPS SOD SORGHUM SOYBEANS SPINACH SQUASH STRAWBERRIES SUGARCANE SUGARBEETS SUNFLOWERS SWEET CORN SWEET PEPPERS SWEET POTATOES TOBACCO TOMATOES WALNUTS WATERMELONS WHEAT WILD RICE ============================================================ Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in ARC/INFO format, this metadata file may include some ARC/INFO-specific terminology. 1995 1998 Use coefficients are derived from information collected from 1995 to 1998 and Census of Agriculture data were collected for the 1997 calendar year. Complete None Planned -127.977 -65.118 48.283 23.0933 none agricultural pesticide use herbicide insecticide fungicide fumigants agriculture Census of Agriculture harvested crop acres National Water Quality Assessment Program NAWQA none Conterminous United States Internal use only These data are appropriate for making National, statewide or regional assessments of pesticide use. County estimates are only available for counties with reported crop acreage from the Census of Agriculture and may be effected by Census non-disclosure rules. In some instances, NCFAP may have used a pesticide use-coefficient for a compound and crop from a neighboring state. Gail Thelin NAWQA Pesticide National Synthesis, U.S. Geological Survey GIS specialist mailing

6000 J St. Suite 3000

Sacramento CA 95819 916-278-3095 gpthelin@usgs.gov State use coefficients were developed by Leonard Gianessi and Monica B. Marcelli National Center for Food and Agricultural Policty (NCFAP) from 244 pesticide use reports published by USDA, California Department of Pesticide Regulation (CA-DPR) and others. Gail Thelin, USGS Pesticide National Synthesis Project, produced the county database of pesticide use using NCFAP state pesticide use coefficients and 1997 Census of Agriculture county harvested crop acres. Microsoft Windows XP Professional Version 2002 Service Pack 1, Arc 9.1, ACCESS 2002 Leonard Gianessi and Monica B. Marcelli 2000 ACCESS database Washington, D.C. NCFAP http://www.ncfap.org/database/default.php USDA 1999 ACCESS database Washington, D.C. USDA USGS 2000 Washington, D.C. U.S. Geological Survey http://ca.water.usgs.gov/pnsp State use coefficients obtained from the CD-ROM were cross-checked with use coefficients published by NCFAP and available online from: (http://www.ncfap.org/database/state/default.asp) Census crop acres in the county data file were compared with published numbers available from published Census reports including AC97-A-5, Volume 1, Geographic Area Series, Part 5. County data for each compound was summed to the state- level and compared with state totals provided by NCFAP. Some minor differences exist and it was determined that differences were due to Census non-disclosure rules for some county crop acreages. The occurence of pesticide use for a crop and the use coefficients were cross checked with data available online (http://www.ncfap.org/database/state/default.asp). Pesticide use estimates are available for only counties located within the conterminous U.S. National Center for Food and Agricultural Policy 20020101 ACCESS database Washington, D.C. National Center for Food and Agricultural Policy digital files 19920101 as of date of publication NCFAP National Pesticide Use Database State use coefficients for compounds and crops were used to derive county pesticide estimates. U.S. Department of Agriculture 19990601 ACCESS database Washington, D.C. USDA - NASS digital files 19920101 as of date of publication 1997 Census of Agriculture county harvested crop acreage was used to calculate county pesticide use Processing steps are detailed in OFR-000250 and are summarized here. State pesticide use-coefficients were obtained as an ACCESS database on a PC-compatiable CD-ROM from NCFAP. The ACCESS database was exported as a text file and imported into ARC/INFO using the IMPORT command. The resulting INFO table contained 17,102 records. Each record included the state name, pesticide name, pesticide type, crop name, state acres, percent of acres treated, application rate, pounds applied, acres treated and the source of the use coefficient. County crop acreage was retrieved from the 1997 Census of Agriculture for all crops contained in NCFAP state database. Some use coefficients were applied to several types of the same crop, for example pesticide treatments on blueberries included both tame and wild blueberries, therefore blueberry acreage for both types of blueberries were summed and pesticide applications to blueberries includes both tame and wild blueberries. An ARC aml was written to apply the use coefficient for each crop and compound to county crop acreages. The county file of pesticide use contains 531,194 records. The final INFO table is available as a compressed export INFO file. 20051004 Metadata created by gpthelin@usgs.gov using FGDCMETA.AML ver. 1.3 06/22/98 20051004 Albers Conical Equal Area 29.5 45.5 -96.00 23.00 0.00000 0.00000 coordinate pair 30.00 30.00 Meters North American Datum of 1983 Geodetic Reference System 80 6378137.00 298.257 The county pesticide use data file contains the following data items: COL ITEM NAME WDTH OPUT TYP N.DEC ALTERNATE NAME 1 FIPS 5 5 I - 6 STATE 23 23 C - 29 COUNTY 30 30 C - 59 CMPND 18 18 C - 77 TYPE 18 18 C - 95 ACRES97 12 12 I - 107 LBSAI_APPLD 4 16 F 2 111 AC_TRTD 4 16 F 2 PEST97_CNTY.DAT U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

445 National Center

Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://water.usgs.gov/user_feedback_form.html Although these data have been used by the USGS to map and estimate the occurence of pesticide concentrations, the U.S. Geological Survey assumes no liability for the use of these data. Export coverage gzip 8 MB http://water.usgs.gov/GIS/dsdl/pesticide_use97.dat.e00.gz None. This dataset is provided by USGS as a public service. 20051026 U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

445 National Center

Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://water.usgs.gov/user_feedback_form.html FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998