Rose L. Medina Deborah A. Dean 2004 vector digital data Reston, VA U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?sir2004-5186_eff_p Nancy L. Alvarez Ralph L. Seiler 2004 document U.S. Geological Survey Scientific Investigations Report 2004-5186 Carson City, NV U.S. Geological Survey http://pubs.water.usgs.gov/sir2004-5186 This data set consists of areas permitted for irrigation, storage, evaporation, and disposal of treated sewage effluent in the Upper Carson River Basin, California and Nevada. It was compiled at 1:24,000-scale from maps, figures, and verbal and written communication provided by permitting agencies, Nevada Department of Environmental Protection (NDEP), public utility districts, and permitees. This data set contains the permitted area not the actual area where effluent is applied to the land. These data were created as part of a U.S. Geological Survey study, done in cooperation with the Carson Water Subconservancy District, to determine sources of phosphorus to the Carson River (Alvarez and Seiler, 2004). It was created to provide areas permitted for irrigation, storage, evaporation, and disposal of treated sewage effluent for the upper Carson River Basin, California and Nevada for use in spatial analysis. Cited Reference Alvarez, N.L., and Seiler, R.L., 2004, Sources of phosphorus to the Carson River upstream from Lahontan Reservoir, Nevada and California, Water Years 2001-02: U.S. Geological Survey Scientific Investigations Report 2004-5186, 80 p. 2001 ground condition Complete None planned -119.847740 -119.641351 39.206095 38.751575 none effluent irrigation treated sewage effluent none Carson Valley west-central Nevada east-central California Great Basin Eagle Valley none Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in ArcGIS format, this metadata file may include some ArcGIS-specific terminology. Acknowledgment of the U.S. Geological Survey and Carson Water Subconservancy District would be appreciated in products derived from these data. U.S. Geological Survey Public Information Officer mailing and physical address

333 W. Nye Lane

Carson City NV 89706 USA (775) 887-7600 (775) 887-7629 GS-W-NVpublic-info@usgs.gov Compilation of this data set and the associated metadata was done in cooperation with the Carson Water Subconservancy District. Technical review of this data set and metadata was provided by Susan G. Buto, U.S. Geological Survey, and Marianne H. August, National Park Service. Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.3.0.800 Rose L. Medina 2004 vector digital data Reston, VA U.S. Geological Survey http://water.usgs.gov/lookup/getspatial?sir2004-5186_geol250 As the treated sewage effluent application areas were compiled, all attempts were made to compare 100 percent of the digital attribute data to the original source information. Verification was done by visual and manual comparison, combined with on-screen review, of the source with hard copy plots. Frequency tests were run on the arc and polygon attributes to check for unlabeled, misspelled, or inconsistent feature labels. Corrections were made until two visual and manual comparisons, combined with on-screen review, determined 100 percent of the digital attribute data matched the original source information. The logical consistancy topologically is clean. Polygon and chain-node topology is present. Using ArcInfo commands and routines, all polygons were checked for closure, missing label points, multiple label points, sliver polygons, and duplicate features; all arcs were checked for node errors, overshoots, undershoots, dangles, intersections, and duplicate features. Complete at 1:24,000-scale resolution for the upper Carson River Basin, Nevada and California. All attempts were made to compare 100 percent of the digital spatial data to the original source information. Verification was done by visual and manual comparison, combined with on-screen review, of the source with hard copy plots. Corrections were made until two comparisons determined 100 percent of the digital spatial data matched the original source information. 15 meters Errors resulting from the quality of the source information, the automation process, and the scale resolution can impact the accuracy of the data. The errors resulting from the quality of the source map and the automation process are unknown. The inherent error of a 1:24,000-scale map is approximately 12 meters according to the National Map Accuracy Standards of 1947. The horizontal positional accuracy was verified by visual and manual comparison as described in the Accuracy Report and the Process Steps and matches the positional accuracy of the original source information. The horizontal positional error is deductively estimated at 15 meters. Douglas County, Nevada 1999 remote-sensing image 1-foot resolution CD-ROM 199905 ground condition Douglas County aerial photos spatial information U.S. Geological Survey Unknown raster digital data http://earthexplorer.usgs.gov. 24000 CD-ROM unknown publication date DRG spatial information Nevada Department of Transportation 1999 remote-sensing image 2-foot resolution CD-ROM 199910 ground condition Carson City aerial photo spatial information 1. Most of the information provided by permitting agencies, NDEP, public utility districts, and permitees ranged from verbal descriptions to rough sketches on maps. Only in California did we receive digital spatial data. 2. The analog information was transferred to 1:24,000-scale USGS topographic maps using roads and other landmarks as guides. This information was then digitized on-screen using the DRGs and Douglas County aerial photos as guides. 3. For Carson City, a list of facilities was provided and the facilities were digitized on-screen using the Carson City aerial photo as a guide. 4. Using ArcInfo(R) ADDITEM command, various attributes were added and populated. 2001 1. The attributes were normalized and organized as PERMIT, CODE, DESC, COMMENT, SOURCE-EFF. 2. Corrections were made to the attribute data until two visual and manual comparisons, combined with on-screen review, determined the attribute data matched the source information. 3. 1:24,000-scale hard copy plots of the digital permitted areas were generated. These plots were verified by NDEP as to the represented accuracy of the permitted area and attribute information. 4. Corrections were made to the spatial data until two visual and manual comparisons, combined with on-screen review, determined the digital data matched the modifications by NDEP. 200308-200312 1. Received a shapefile of the permitted areas for California from the consulting firm Kennedy/Jenks on behalf of the South Tahoe Public Utility District. 2. Using ArcGIS(R), the California information was projected from decimal degrees NAD 1983 to UTM zone 11 NAD 1927. It was then converted from shapefile to ArcInfo(R) coverage format. Using the ArcInfo(R) ArcEdit module, the California data were merged with the exisiting Nevada data set and the attribute information was updated. 3. Corrections were made to the attribute data until two visual and manual comparisons, combined with on-screen review, determined the attribute data matched the source information. 200312 1. Using the ArcInfo(R) commands and the ArcEdit module, including the command LABELERRORS and the node error, arc dangle, and intersect environment, polygons were checked for closure, missing or multiple labels, sliver polygons, and duplicates. Arcs were checked for node errors, overshoots, undershoots, dangles, intersections, and duplicates. 2. Using the ArcInfo(R) CENTROIDLABEL command, labels were centered within the respective polygon. 3. For polygons and lines, using ArcGIS(R) ArcMap module, the attribute EFF_P-ID was calculated to be a unique sequential integer based on EFF_P#. The attributes were checked for unlabeled, misspelled, or inconsistent feature labels. 4. Polygon and line topology was built using the ArcInfo(R) CLEAN command with the fuzzy tolerance = 0.001 and dangle = 0.01. 200401-200402 Metadata structured and validated using metadata tools, mp and cns, developed by Peter Schweitzer, U.S. Geological Survey. 20040603 Vector Complete chain 153 Label point 135 GT-polygon composed of chains 135 Point 3221 Universal Transverse Mercator 11 0.999600 -117.000000 0.000000 500000.000000 0.000000 coordinate pair 0.000364 0.000364 meters North American Datum of 1927 Clarke 1866 6378206.400000 294.978698 eff_p.aat arc attribute table ESRI FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. FNODE# Internal node number for the beginning of an arc (from-node). ESRI Whole numbers that are automatically generated. TNODE# Internal node number for the end of an arc (to-node). ESRI Whole numbers that are automatically generated. LPOLY# Internal node number for the left polygon. ESRI Whole numbers that are automatically generated. RPOLY# Internal node number for the right polygon. ESRI Whole numbers that are automatically generated. LENGTH Length of feature in internal units. ESRI Positive real numbers that are automatically generated. EFF_P# Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. EFF_P-ID User-defined feature number. ESRI Whole numbers that are automatically generated. eff_p.pat polygon attribute table ESRI FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. AREA Area of feature in internal units squared. ESRI Positive real numbers that are automatically generated. PERIMETER Perimeter of feature in internal units. ESRI Positive real numbers that are automatically generated. EFF_P# Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. EFF_P-ID User-defined feature number. ESRI Whole numbers that are automatically generated. PERMIT The effluent application permit number. Permitting agency Permit number CODE Numeric code describing type of effluent application User-defined 0 Island polygon not permitted for treated sewage effluent application 1 Lake, pond, reservoir permitted for treated sewage effluent storage 2 Agriculture permitted for irrigation with treated sewage effluent 3 Golf course permitted for irrigation with treated sewage effluent 4 Park permitted for irrigation with treated sewage effluent 5 Wetland permitted for treated sewage effluent evaporation and disposal DESC Describes type of effluent application User-defined Verbose description COMMENT Documents comments about the permitted area User-defined Verbose comments SOURCE-EFF The agency providing the effluent for application User-defined CCWRP Carson City Wastewater Reclamation Plant DCNV Douglas County North Valley Wastewater Treatment Facility DCSID1 Douglas County Sewer Improvement District #1 IHGID Indian Hills General Improvement District IVGID Incline Village General Improvement District IVGID/DCNV Combination of Incline Village General Improvement District and Douglas County North Valley Wastewater Treatment Facility MGSD Minden-Gardnerville Sanitation District STPUD South Tahoe Public Utility District SOURCE The source of the data User-defined DRG Digital raster graphic DRG/Photo Combination of digital raster graphic and aerial photo Kennedy/Jenks Consultant Kennedy/Jenks on behalf of STPUD >EFF_P.PAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 EFF_P# 4 5 B - > 21 EFF_P-ID 4 5 B - > 25 PERMIT 15 15 C - > 40 CODE 2 2 I - > 42 DESC 60 60 C - > 102 COMMENT 100 100 C - > 202 SOURCE-EFF 10 10 C - > 212 SOURCE 20 20 C - PERMIT is the effluent application permit number as assigned by the permitting agency. CODE is a numeric code describing the type of effluent application. DESC describes the type of effluent application. >CODE DESC >0 = Island polygon not permitted for treated sewage effluent application >1 = Lake, pond, reservoir permitted for treated sewage effluent storage >2 = Agriculture permitted for irrigation with treated sewage effluent >3 = Golf course permitted for irrigation with treated sewage effluent >4 = Park permitted for irrigation with treated sewage effluent >5 = Wetland permitted for treated sewage effluent evaporation and disposal COMMENT documents comments about the permitted area. SOURCE-EFF is the agency providing the effluent for application. >CCWRP - Carson City Wastewater Reclamation Plant >DCNV - Douglas County North Valley Wastewater Treatment Facility >DCSID1 - Douglas County Sewer Improvement District #1 >IHGID - Indian Hills General Improvement District >IVGID - Incline Village General Improvement District >IVGID/DCNV - Incline Village General Improvement District and > Douglas County, North Valley Wastewater Treatment Facility >MGSD - Minden-Gardnerville Sanitation District >STPUD - South Tahoe Public Utility District SOURCE is the source of the data. >DRG - digital raster graphic >DRG/Photo - combination of digital raster graphic and aerial photo >Kennedy/Jenks - consultant Kennedy/Jenks on behalf of STPUD provided above 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://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&subject=GIS+Dataset+sir2004-5186_eff_p Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of these data, software, or related materials. The use of firm, trade, or brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey. The names mentioned in this document may be trademarks or registered trademarks of their respective trademark owners. Winzipped SDTS spatial and attribute information Winzip 133 KB http://water.usgs.gov/GIS/dsdl/sir2004-5186_eff_p.sdts.zip Winzipped ARCE spatial and attribute information Winzip 171 KB http://water.usgs.gov/GIS/dsdl/sir2004-5186_eff_p.e00.zip None. This dataset is provided by USGS as a public service. 20041122 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://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&subject=GIS+Dataset+sir2004-5186_eff_p FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998