"TABLE_NAME","SAMPLE_TYPE","COLUMN_NAME","LABEL","LEGAL_VALUES"
"tblSITETRUTH","DESIGN","AG_ECO3","NARS 3-level reporting region (2015), based on aggregating AG_ECO9 reporting regions.   No missing or ""blank"" values allowed.","EHIGH|PLNLOW|WMTNS|"
"tblSITETRUTH","DESIGN","AG_ECO3_NM","NARS 3-level reporting region name.   No missing or ""blank"" values allowed.","Eastern Highlands|Plains and Lowlands|West|"
"tblSITETRUTH","DESIGN","AG_ECO9","NARS 9-level reporting region, based on aggregated Omernik Level III ecoregions.   No missing or ""blank"" values allowed.","CPL|NAP|NPL|SAP|SPL|TPL|UMW|WMT|XER|"
"tblSITETRUTH","DESIGN","AG_ECO9_NM","NARS 9-level reporting region name.   No missing or ""blank"" values allowed.","Coastal Plains|Northern Appalachians|Northern Plains|Southern Appalachians|Southern Plains|Temperate Plains|Upper Midwest|Western Mountains|Xeric|"
"tblSTRESSOR","SOIL","AG_EF","Enrichment Factor for Silver in soil",NA
"tblSTRESSOR","STRESS","CALT_NUTR","Metric indicating physical alteration affecting nutrients at site",NA
"tblSTRESSOR","STRESS","CALT_SAL","Metric indicating physical alteration affecting salinity at site",NA
"tblSTRESSOR","STRESS","CALT_SED","Metric indicating physical alteration affecting sediment at site",NA
"tblSTRESSOR","SOIL","CD_EF","Enrichment Factor for Cadmium in soil",NA
"tblSTRESSOR","SOIL","CO_EF","Enrichment Factor for Cobalt in soil",NA
"tblSITETRUTH","DESIGN","COAST_REG","FWS S & T coastal region name.  Used by US Fish and Wildlife Service to identify coastal wetland region.  ""NotCoast"" if not in coastal region.  No missing values allowed.","Great Lakes Region|Gulf Coast Region|North East Coast Region|Pacific Coast Region|South East Coast Region|Not Coast|"
"tblSTRESSOR","SOIL","CR_EF","Enrichment Factor for Chromium in soil",NA
"tblSTRESSOR","SOIL","CU_EF","Enrichment Factor for Copper in soil",NA
"tblSITETRUTH","DESIGN","DSGN_CYCLE","NWCA survey design time period. No missing or blank values allowed.","2011|2016|2021"
"tblSITETRUTH","DESIGN","EPA_REG","EPA Region.  No missing or ""blank"" values allowed.","Region_01|Region_02|Region_03|Region_04|Region_05|Region_06|Region_07|Region_08|Region_09|Region_10|"
"tblSITETRUTH","DESIGN","FED_NONFED","Federal or Non-Federal land, based on OWN_NARS. OWN_NARS in FWS, Other Fed, USFS, NPS, NOAA, BLM, DOD, BOR considered Federal and all others Non-Federal.","Federal|Non-Federal"
"tblSTRESSOR","SOIL","HMI","Heavy Metals Index for soil",NA
"tblSITETRUTH","DESIGN","HYD_CLS","Hydrologic class based on NWCA aggregated wetland classes","INLAND|TIDAL"
"tblSITETRUTH","DESIGN","IND_DOMAIN","Name of the indicator group within a study or Domain within a study. Text with all sites expected to be assigned to EXTENT, and CORE assigned to Target_Sampled sites.  Hand-picked sites are assigned ""HAND.""  Other values will occur when a particular group of indicators is only sampled on a planned probability subsample for the main STUDY.   No missing or ""blank"" values allowed.
","EXTENT|CORE|HAND"
"tblSITETRUTH","DESIGN","LAT_ANALYS","Latitude in decimal degrees of wetland site sampled or design latitude if site not sampled.  Used for analyses where actual plot location is required.  No missing or ""blank"" values allowed.",NA
"tblSITETRUTH","DESIGN","LAT_DD83","Latitude in decimal degrees of wetland site  at the evaluated or sampled site location for 2011 and design latitude for wetland site for 2016 and 2021. No missing or blank values allowed.",NA
"tblSITETRUTH","DESIGN","LON_ANALYS","Longitude in decimal degrees of wetland site sampled or design longitude if site not sampled.    Used for analyses where actual plot location is required.  No missing or ""blank"" values allowed.",NA
"tblSITETRUTH","DESIGN","LON_DD83","Longitude in decimal degrees of wetland site  at the evaluated or sampled site location for 2011 and design longitude for wetland site for 2016 and 2021. No missing or blank values allowed.",NA
"tblSITETRUTH","DESIGN","MAJ_BAS_NM","Name of major USGS Hydrologic Basins derived from NHDPlus codes.  No missing or ""blank"" values allowed.","Arkansas-White-Red Region|California Region| Great Basin Region|Great Lakes Region|Lower Colorado Region|Lower Mississippi Region|Mid Atlantic Region|Missouri Region|New England Region|Ohio-Tennessee Region|Pacific Northwest Region|Rio Grande-Texas-Gulf Region|Souris-Red-Rainy Region|South Atlantic Gulf Region|Upper Colorado Region|Upper Mississippi Region|"
"tblCONDITION","MICX","MICX_DETECT","Microcystin Detection","Detected|Not Detected|Not Assessed"
"tblCONDITION","MICX","MICX_EPA_COND","Microcystin condition based on EPA benchmark","Above Benchmark|At or Below Benchmark|Not Assessed"
"tblSITETRUTH","DESIGN","MIS_BAS_NM","The hydrologic basin name for streams in the Mississippi Basin derived from NHDPlus names.  ""Not Miss River Basin"" for streams not in the Mississippi Basin.  No missing values allowed.","Ohio-Tennessee Region | Upper Mississippi Region |Lower Mississippi Region | Lower Missouri Region | Upper Missouri Region | Arkansas-Red-White Region | Not Mississippi River Basin"
"tblSITETRUTH","DESIGN","MISS_BASIN","Within Mississippi Basin or outside, based on MAJ_BAS_NM values","MISSISSIPPI_BASIN|NOT_MISSISSIPPI_BASIN"
"tblSITETRUTH","DESIGN","NEP_NAT","Site is located in a National Estuary Program watershed.  NEP if site is in an NEP; Not_NEP  if not.  Does not include Chesapeake Bay as an NEP. No missing or ""blank"" values allowed.","NEP|Not_NEP|"
"tblSTRESSOR","SOIL","NI_EF","Enrichment Factor for Nickel in soil",NA
"tblCONDITION","CHEM","NTL_COND","Condition based on total nitrogen in water sample. If no standing water, condition assigned as Not Assessed.","Low|Moderate|High|Not Assessed"
"tblSITETRUTH","DESIGN","NWCA_ECO4","4 NWCA aggregated ecoregions. AG_ECO9 is collapsed to make CPL = CPL, EMU = NAP, SAP, UMW; IPL = NPL, SPL, TPL; and W = WMT, XER.  No missing or ""blank"" values allowed.","CPL| EMU|IPL| W|"
"tblSITETRUTH","DESIGN","NWCA_ECO5","5 NWCA aggregated ecoregions. AG_ECO9 is collapsed to make CPL = CPL, EMU = NAP, SAP, UMW; IPL = NPL, SPL, TPL; and WMT = WMT, XER = XER.  No missing or ""blank"" values allowed.","CPL| EMU|IPL| WMT|XER|"
"tblSITETRUTH","DESIGN","NWCA_ECO5_HYD","Omernik Level III Ecoregions aggregated into five NWCA Aggregated Ecoregions (NWCA_ECO5) and distinguished by inland sites (HYD_CLS = INLAND) or tidal saline sites (HYD_CLS = TIDAL): Coastal Plains Inland (CPL-INLAND), Coastal Plains Tidal (CPL-TIDAL), Eastern Mountains & Upper Midwest Inland (EMU-INLAND), Eastern Mountains & Upper Midwest Tidal (EMU-TIDAL) , Interior Plains Inland (IPL-INLAND), Western Valleys & Mountains Inland (WMT-INLAND), Western Valleys & Mountains Tidal (WMT-TIDAL), Xeric West Inland (XER-INLAND), and Xeric West Tidal (XER-TIDAL).  Note that there are no Interior Plains Tidal sites, thus there is no IPL-TIDAL subpopulation.","CPL-TIDAL|CPL-INLAND|WMT-INLAND|XER-TIDAL|XER-INLAND|IPL-INLAND|EMU-INLAND|EMU-TIDAL|WMT-TIDAL"
"tblSITETRUTH","DESIGN","OWN_NARS","Land ownership code derived from USGS PADUS (http://gapanalysis.usgs.gov/padus/data/) - pulled May 2016 version of database. Aggregated to categories used by NARS.  Text of 13 land ownership category names. Similar to OWN_TYPE  in USGS PADUS dataset except that Federal_Land is separated into major federal agencies.   No missing or ""blank"" values allowed.","BLM|BOR|DOD|Forest Service|FWS|NOAA|Non Federal|NPS|Tribal Land - PAD|"
"tblSTRESSOR","PALT","PALT_ANY","Maximum physical alteration metric value",NA
"tblSTRESSOR","PALT","PALT_SOHARD","Soil hardening physical alteration metric",NA
"tblSTRESSOR","PALT","PALT_SOMODF","Soil modification physical alteration metric",NA
"tblSTRESSOR","PALT","PALT_SUM","Sum of physical alteration metrics",NA
"tblSTRESSOR","PALT","PALT_VEGREP","Vegetation replacement physical alteration metric",NA
"tblSTRESSOR","PALT","PALT_VEGRMV","Vegetation removal physical alteration metric",NA
"tblSTRESSOR","PALT","PALT_WADSUB","Water addition/subtraction physical alteration metric",NA
"tblSTRESSOR","PALT","PALT_WOBSTR","Water flow obstruction physical alteration metric",NA
"tblSTRESSOR","SOIL","PB_EF","Enrichment Factor for Lead in soil",NA
"tblSITETRUTH","DESIGN","PSTL_CODE","State two letter postal code for site sampled. 50 state postal codes plus AS, MP, GU, PR, VI for American Samoa, Commonwealth of Northern Marianas, Guam, Puerto Rico and Virgin Islands.  No missing or ""blank"" values allowed.",NA
"tblCONDITION","CHEM","PTL_COND","Condition based on total phosphorus in water sample. If no standing water, condition assigned as Not Assessed.","Low|Moderate|High|Not Assessed"
"tblVEGMET","PLANT","RFREQ_AC","Relative frequency of alien and cryptogenic species occurrence in flora based on 5 100-m2 plots",NA
"tblSITETRUTH","DESIGN","RPT_UNIT","NWCA Reporting unit code based on NWCA aggregated wetland classes, aggregated Omernik Level III ecoregions, and state to distinguish coastal from inland wetlands by region","ARW|ATL|GFC|GPL|ICP|NCE|PAC|SAP|TPL|WVM"
"tblSITETRUTH","DESIGN","RPT_UNIT_5","Recategorization of RPT_UNIT to distinguish estuarine regions and inland regions, combines ARW and WVM into WST","EMU|ICP|PLN|TDL|WST"
"tblSITETRUTH","DESIGN","RPT_UNIT_6","Recategorization of RPT_UNIT to distinguish estuarine regions and inland regions, keeping ARW and WVM separate","ARW|EMU|ICP|PLN|TDL|WVM"
"tblSITETRUTH","DESIGN","RPT_UNIT20","Recategorization of RPT_UNIT to include designation as woody or herbaceous","ARW-H|ARW-W|ATL-H|ATL-W|GFC-H|GFC-W|GPL-H|GPL-W|ICP-H|ICP-W|NCE-H|NCE-W|PAC-H|PAC-W|SAP-H|SAP-W|TPL-H|TPL-W|WVM-H|WVM-W"
"tblSITETRUTH","DESIGN","RPTGRP_10","Combination of 4 NWCA ecoregions (NWCA_ECO4) by 4 Aggregated Wetland classes (WETCLS_EVL).  Initially defined for NWCA 2011.  No missing or ""blank"" values allowed.","ALL-EH|ALL-EW|CPL-PRLH|CPL-PRLW|EMU-PRLH|EMU-PRLW|IPL-PRLH|IPL-PRLW|W-PRLH|W-PRLW |"
"tblSITETRUTH","DESIGN","RPTGRP_12","Combination of 5 NWCA ecoregions (NWCA_ECO5) by 4 Aggregated Wetland classes (WETCLS_EVL).  Initially defined for NWCA 2016.  No missing or ""blank"" values allowed.","ALL-EH|ALL-EW|CPL-PRLH|CPL-PRLW|EMU-PRLH|EMU-PRLW|IPL-PRLH|IPL-PRLW|WMT-PRLH|WMT-PRLW|XER-PRLH|XER-PRLW|"
"tblSTRESSOR","SOIL","SB_EF","Enrichment Factor for Antimony in soil",NA
"tblSITETRUTH","DESIGN","SITE_ID","Unique Site ID for the study and design cycle sampled. Preferred form is NWCnn_MM-xxxxx  where  nn is current cycle year (11, 16, 21), MM is two letter state code, and xxxxx is between 10001 and 99999.  No missing or ""blank"" values allowed.",NA
"tblSTRESSOR","SOIL","SN_EF","Enrichment Factor for Tin in soil",NA
"tblCONDITION","STRESS","STRESS_HEAVYMETAL","Stress class based on soil heavy metals","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_NONNATIVE","Stress class based on Non-native Plant Indicator","Low|Moderate|High|Very High|Not Assessed"
"tblCONDITION","STRESS","STRESS_PALT_SUM","Stress class based on sum of all physical alteration metrics","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_SOHARD","Stress class based on physical alteration by soil hardening","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_SOMODF","Stress class based on physical alteration by soil modification","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_VEGREP","Stress class based on physical alteration by vegetation replacement","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_VEGRMV","Stress class based on physical alteration by vegetation removal","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_WADSUB","Stress class based on physical alteration by water addition or substraction","Low|Moderate|High|Not Assessed"
"tblCONDITION","STRESS","STRESS_WOBSTR","Stress class based on physical alteration by water obstruction","Low|Moderate|High|Not Assessed"
"tblVEGMET","PLANT","TOTN_AC","Total Number of  alien and cryptogenic Species across AA  (based 500 m2 sample area - 5 100-m2 plots)",NA
"tblSTRESSOR","SOIL","V_EF","Enrichment Factor for Vanadium in soil",NA
"tblCONDITION","PLANT","VEGCOND_2016","NWCA 2016 Vegetation Condition Class based on VMMI_2016",NA
"tblPOINTVERIFICATION","PTVER","VISIT_NO","Visit Number","|R|1|2"
"tblVEGMET","PLANT","VMMI_2016","NWCA 2016 Vegetation Multimetric Index Score",NA
"tblSTRESSOR","SOIL","W_EF","Enrichment Factor for Tungsten in soil",NA
"tblSITETRUTH","DESIGN","WETCLS_EVL","Wetland class from site evaluation.  If sampled in field, then wetland class assigned when sampled.  If evaluated in field but not sampled, then wetland class assigned from field visit.  If site only evaluated in office, then wetland class assigned at that time.  If no site evaluation information on wetland class, then wetland class assigned wetland class used for the survey design.  Hand-picked sites should be assigned during field sampling.  Wetland classes use FWS S&T classes.  No missing or ""blank"" values allowed.","E2EM|E2SS|PEM|PF|PFO|PSS|PUBPAB|"
"tblSITETRUTH","DESIGN","WETCLS_GRP","4 NWCA aggregated wetland classes used for reporting. EH is estuarine herbaceous (E2EM); EW is estuarine woody (E2SS); PRLH is inland herbaceous (PEM, PF, PUBPAB); PRLW is inland woody (PFO, PSS).   No missing or ""blank"" values allowed.","EH|EW|PRLH|PRLW|"
"tblSITETRUTH","DESIGN","WETCLS_HGM","Wetland HGM class determined in field. Only available for target sampled sites. It is possible for a sampled site not to have HGM assigned.  In this case the value is UND for undetermined. No missing or ""blank"" values allowed.","DPRSS|FLATS|FRINGE|RIVERINE|SLOPE|TIDAL|UND"
"tblSITETRUTH","DESIGN","WGT_TP","NWCA adjusted weight for site when want estimates to be for the Target Population. For IND_DOMAIN equal to EXTENT, these are the weights to use for population estimates.  For other IND_DOMAIN values includes weight adjustments to account for sites with unknow status and when site status is known to be target but not sampled. Currently, the latter is not available. >0 or 0 if site is not to be used for target population estimation. Weight unit is acres.",NA
"tblSITETRUTH","DESIGN","XCOORD","x-coordinate from US Contiguous Albers Equal Area Conic projection.  No missing or ""blank"" values allowed.  Projection: sph = ""GRS80"", clon = -96, clat = 37.5, sp1 = 29.5, sp2 = 45.5",NA
"tblVEGMET","PLANT","XRCOV_AC","Mean relative cover of all aliena and cryptogenic species or lowest taxonomic unit across 100-m2 plots as a percentage of total cover",NA
"tblSITETRUTH","DESIGN","YCOORD","y-coordinate from US Contiguous Albers Equal Area Conic projection.  No missing or ""blank"" values allowed.  Projection: sph = ""GRS80"", clon = -96, clat = 37.5, sp1 = 29.5, sp2 = 45.5",NA
"tblSTRESSOR","SOIL","ZN_EF","Enrichment Factor for Zinc in soil",NA
NA,NA,"UNIQUE_ID","Unique site ID based on location that does not depend on year sampled or any other factor. Form is NWC_ss_nnnnn  where ss state and nnnnn is number that starts at 10001.   No missing or ""blank"" values allowed. NA",NA
NA,NA,"NTL_MDL","Method detection limit of total nitrogen",NA
NA,NA,"NTL_RESULT","Total Nitrogen",NA
NA,NA,"PTL_MDL","Method detection limit of total phosphorus",NA
NA,NA,"PTL_RESULT","Total Phosphorus",NA
NA,NA,"PUBLICATION_DATE","Date of data file publication",NA
NA,NA,"UID","Unique site visit ID",NA
NA,NA,"NTL_NARS_FLAG","Total nitrogen - NARS flag: ND = Nondetect; L = Less than reporting limit but above MDL; Q = other quality issue; NR = No lab result for analyte",NA
NA,NA,"PTL_NARS_FLAG","Total phosphorus - NARS flag: ND = Nondetect; L = Less than reporting limit but above MDL; Q = other quality issue; NR = No lab result for analyte",NA
NA,NA,"MICX_RESULT","Microcystin concentration (ug/L)",NA
NA,NA,"MICX_MDL","Microcystin minimum detection limit (ug/L)",NA
NA,NA,"MICX_NARS_FLAG","NARS flag for Microcystin",NA
NA,NA,"SAMPLEABLE_H2O","Does site have sampleable water? (Yes/No)",NA