Data Type Name Description Category Notes Column Header Type Population estimate groups AG_ECO3 | AG_ECO9 | COAST_REG | EPA_REG | FED_NONFED | HYD_CLS | MAJ_BAS_NM | MIS_BAS_NM | MISS_BASIN | NATIONAL | NEP_NAT | NWCA_ECO4 | NWCA_ECO4_HYD | NWCA_ECO5 | NWCA_ECO5_HYD | RPT_UNIT | RPT_UNIT5 | RPT_UNIT6 | RPT_UNIT20 | RPTGRP_10 |RPTGRP_12 | WETCLS_EVL | WETCLS_GRP | WETCLS_HGM See 'Population estimate group' descriptions below Column Header Subpopulation Subpopulation estimate groups (subsets of the Type) See 'Population estimate group' categories below Column Header Indicator Indicator assessed MICX_DETECT | MICX_EPA_COND | NTL_COND | PTL_COND | STRESS_HEAVYMETAL | STRESS_NONNATIVE | STRESS_PALT_SUM | STRESS_SOHARD | STRESS_SOMODF | STRESS_VEGREP | STRESS_VEGRMV | STRESS_WADSUB | STRESS_WOBSTR | VEGCOND_2016 See 'Indicator' descriptions below Column Header Category "Condition category (e.g., good, fair, poor)" Above Benchmark | At or Below Benchmark |Detected | Fair | Good | High | Low | Moderate | Not Assessed | Not Detected | Poor See NWCA 2016 Technical Support Document for more details Column Header nResp "Number of ""responses""/sites in the category from the National Wetland Condition Assessment 2021" Column Header Estimate.P "National Wetland Condition Assessment 2021 population estimate - proportion of wetland area (e.g., percent)" Column Header StdError.P Standard error for the population estimate based on percentages Column Header MarginofError.P Margin of error for the population estimate based on percentages Column Header LCB95Pct.P Error Bar for condition assessment based on percentages-- Lower confidence bound at 95% Column Header UCB95Pct.P Error Bar for condition assessment based on percentages--Upper confidence bound at 95% Column Header Estimate.U "Population Estimate, based on wetland area (acres) for National Wetland Condition Assessment 2016 data" Column Header StdError.U Standard error for the population estimate based on wetland area (acres) Column Header MarginofError.U Margin of error for the population estimate based on wetland area (acres) Column Header LCB95Pct.U Error Bar for condition assessment based on wetland area (acres)--Lower confidence bound at 95% Column Header UCB95Pct.U Error Bar for condition assessment based on wetland area (acres)--Upper confidence bound at 95% Indicator MICX_DETECT Microcystin Detection Not Detected|Detected Indicator MICX_EPA_COND Microcystin condition based on EPA benchmark At or Below Benchmark|Above Benchmark|Not Assessed Indicator NTL_COND Condition class based on total nitrogen Good|Fair|Poor|Not Assessed Indicator PTL_COND Condition class based on total phosphorus Good|Fair|Poor|Not Assessed Indicator STRESS_HEAVYMETAL Stress class based on soil heavy metals Low|Moderate|High|Not Assessed Indicator STRESS_NONNATIVE Stress class based on Non-native Plant Indicator Low|Moderate|High|Very High|Not Assessed Indicator STRESS_PALT_SUM Stress class based on sum of all physical alteration metrics Low|Moderate|High|Not Assessed Indicator STRESS_SOHARD Stress class based on physical alteration by soil hardening Low|Moderate|High|Not Assessed Indicator STRESS_SOMODF Stress class based on physical alteration by soil modification Low|Moderate|High|Not Assessed Indicator STRESS_VEGREP Stress class based on physical alteration by vegetation replacement Low|Moderate|High|Not Assessed Indicator STRESS_VEGRMV Stress class based on physical alteration by vegetation removal Low|Moderate|High|Not Assessed Indicator STRESS_WADSUB Stress class based on physical alteration by water addition or substraction Low|Moderate|High|Not Assessed Indicator STRESS_WOBSTR Stress class based on physical alteration by water obstruction Low|Moderate|High|Not Assessed Indicator VEGCOND_2016 NWCA 2021 Vegetation Condition Class based on Vegetation Multimetric Indices used in 2016 analyses Good|Fair|Poor|Not Assessed Population estimate groups AG_ECO3 "NARS 3-level reporting region (2015), based on aggregating AGGR_ECO9_2015 reporting regions. No missing values allowed." EHIGH|PLNLOW|WMTNS| Population estimate groups AG_ECO9 "NARS 9-level reporting region (2015), based on aggregated Omernik Level III ecoregions. No missing values allowed." CPL|NAP|NPL|SAP|SPL|TPL|UMW|WMT|XER| Population estimate groups 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| Population estimate groups EPA_REG EPA Region. No missing values allowed. Region_01|Region_02|Region_03|Region_04|Region_05|Region_06|Region_07|Region_08|Region_09|Region_10| Population estimate groups 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| Population estimate groups HYD_CLS Hydrologic class based on NWCA aggregated wetland classes INLAND|TIDAL Population estimate groups MAJ_BAS_NM Major USGS Hydrologic Basins derived from NHDPlus names Text of 16 basin names 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| Population estimate groups 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 Population estimate groups MISS_BASIN "Within Mississippi Basin or outside, based on MAJ_BAS_NM values" MISSISSIPPI_BASIN|NOT_MISSISSIPPI_BASIN Population estimate groups NATIONAL Conterminous United States NA Population estimate groups 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| Population estimate groups 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| Population estimate groups NWCA_ECO4_HYD "Omernik Level III Ecoregions aggregated into four NWCA Aggregated Ecoregions (NWCA_ECO4) 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), West Inland (W-INLAND), West Tidal (W-TIDAL). Note that there are no Interior Plains Tidal sites, thus there is no IPL-TIDAL subpopulation." CPL-TIDAL|CPL-INLAND|IPL-INLAND|EMU-INLAND|EMU-TIDAL|W-INLAND|W-TIDAL Population estimate groups 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| Population estimate groups 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 Population estimate groups 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 Population estimate groups 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 Population estimate groups 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 Population estimate groups 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 Population estimate groups 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 | Population estimate groups 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| Population estimate groups 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| Population estimate groups 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| Population estimate groups 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