SAMPLE_TYPE	PARAMETER	LABEL	LEGAL_VALUES	RANGE_LOW	RANGE_HIGH
BERW	BENT_MMI_COND	Condition class based on benthic MMI score	Good|Fair|Poor|Not Assessed		
BERW	MMI_BENT	Benthic MMI score	Good|Fair|Poor|Not Assessed	0	100
BERW	OE_COND	Condition class based on O/E score	<0.5|<0.8|<0.9|>=0.9		
BERW	OE_SCORE	O/E score for benthic sample		0	
BETB	BENT_MMI_COND	Condition class based on benthic MMI score	Good|Fair|Poor|Not Assessed		
BETB	MMI_BENT	Benthic MMI score	Good|Fair|Poor|Not Assessed	0	100
BETB	OE_COND	Condition class based on O/E score	<0.5|<0.8|<0.9|>=0.9		
BETB	OE_SCORE	O/E score for benthic sample		0	
FISH	FISH_MMI_COND	"Fish assemblage condition, based on regional Fish MMI."	Good|Fair|Poor|Not Assessed|Insufficient Sampling|No Data		
MICX	MICX_COND	Microcystin condition class	<= 8 ug/L|> 8 ug/L|Not Detected		
PHAB	BEDSED_COND	"Bed sediment condition, based on log relative bed stability (LRBS_use)"	Good|Fair|Poor|Not Assessed		
PHAB	INSTRMCVR_COND	"Instream cover condition, based in log natural fish cover (L_XFC_NAT)"	Good|Fair|Poor|Not Assessed		
PHAB	RIPDIST_COND	"Riparian disturbance condition, based on W1_HALL"	Low|Medium|High|Not Assessed		
PHAB	RIPVEG_COND	"Riparian vegetation condition, based on L_XCMGW"	Good|Fair|Poor|Not Assessed		
FISH	MMI_FISH	Traditional MMI watershed adjusted value for MMI_FISH			
ENTE	ENT_1X_CCE_100ML	"Estimated enterococci CCE / 100 mL of water sample volume from ORD analysis of undiluted DNA extracts and  CCE / extract calculations from EPA Method 1609 calculation spreadsheet.  CCE are based on 15:1 calibrator target sequence equivalent (CSE) to CCE ratio established for RWQC guideline values. CCE /  extract was multiplied by 100 ÷ filtered sample volume to obtain final estimate /100 ml. \QC fail\"" denotes analysis results that did not meet Method 1609 control assay acceptance criteria."""			
ENTE	ENT_1X_STV_COND	Estimated enterococci CCE / 100 mL of water sample volume from ORD analyses of undiluted DNA extract and calculations from EPA Method 1609 calculation spreadsheet exceeds (1) or is less than (0) RWQC STV value of 1280 CCE/100 mL.			
PHAB	L_XCMGW	Log10(XCMGW + 0.01			
PHAB	L_XFC_NAT	Log10(XFC_NAT + 0.01)			
DESIGN	AG_ECO3_NM	NARS 3-level reporting region Name	Text names		
DESIGN	AG_ECO9_NM	NARS 9-level reporting region Name	Text names		
DESIGN	EPA_REG	EPA Region	Region_1 |  Region_2 | Region_3 | Region_4 | Region_5 | Region_6 | Region_7 | Region_8 | Region_9 | Region_10		
DESIGN	FS_EW	Eastern or western US Forest Service land	East | West | blank if not US Forest Service land		
DESIGN	LAT_DD83	Latitude (based on NAD83 datum) for stream site  from NHD-based sample frame.	Numeric		
DESIGN	LON_DD83	Longitude (based on NAD83 datum) for stream site  from NHD-based sample frame.	Numeric		
DESIGN	MAJ_BAS_NM	Major USGS Hydrologic Basins derived from NHDPlus Names	Text of 16 basin names		
DESIGN	MISS_BASIN_NM	Mississippi basin name	Ohio Region|Tennessee Region|Upper Mississippi Region|Lower Mississippi Region|Lower Missouri Region|Upper Missouri Region|Arkansas-White-Red Region		
DESIGN	NARS_OWN	Land ownership category used by NARS	Text of 13 land ownership category names		
DESIGN	NRS13_EVAL	NRSA 2013/14 site evaluation result.	Text		
DESIGN	NRS13_MDC	Multi-density categories used in NRSA 2013/14 survey design within a stratum	Text		
DESIGN	NRS13_PNL	NRSA 2013/14 Panel Assignment	"Text that has form NRSnn_mmXXXn_YYYY, where nn is current cycle year (07, 12, 17, etc), mm is cycle year stream site was first selected for sampling, XXXn denotes revisit status, and YYYY denotes base or over sample status.  XXXN equals either RVT2 (if site should be visited twice in current cycle year) or RVT (if site should be visited once in current cycle and was previously visited in a prior cycle year) and is blank otherwise.  YYYY  is either blank (if the stream site is a base site) or equals OverSamp (if the stream site is an over sample site).  Note: For state specific designs, state two letter code is added."		
DESIGN	NRS13_SF	Lake included/excluded from NRSA 2013/14 survey design	Exclude|Include | Not Present   Blank values are not allowed or NA for missing		
DESIGN	NRS13_STRA	Strata used in NRSA 2013/14 survey design	Text		
DESIGN	NRS13_TNT	NRS 2013/14 target status assigned based on stream site evaluation for use in national assessments. 	Target | Target_Presumed |Uncertain | Non_Target | Not_Needed | blank 		
DESIGN	NRS13_URBN	Stream site identified as an urban or non-urban stream. Source: https://www.census.gov/geo/maps-data/data/cbf/cbf_ua.html. Used 2015 Urban Areas cartographic boundaries shapefile	NonUrban|Urban		
DESIGN	NRS13_VST	Number of times NRSA 2013/14 site was actually sampled in 2013/14	Zero | One | Two    Blank is site not evaluated		
DESIGN	STRAH_CAT	Strahler category used to classify reaches.  RiversMajor (5th and higher)  RiversOther (5th and higher) LargeStreams (3rd and 4th)  SmallStreams (1st and 2nd)	RiversMajor | RiversOther | LargeStreams | SmallStreams		
DESIGN	XCOORD	x-coordinate from US Contiguous Albers Equal Area Conic projection EXCEPT Hawaii sites which are calculated from Hawaii Albers Equal Area Conic projection	Numeric		
DESIGN	YCOORD	y-coordinate from US Contiguous Albers Equal Area Conic projection EXCEPT Hawaii sites which are calculated from Hawaii Albers Equal Area Conic projection	Numeric		
FIELDMEAS	PH	PH		1	14
LANDSCAPE	LAT_DD83	Latitude in decimal degrees NAD83			
LANDSCAPE	LON_DD83	Longitude in decimal degrees NAD83			
LANDSCAPE	SITE_ID	Unique Site ID assigned for NRSA13-14			
PERI	SITE_ID	NRSA site id as used on sample label			
VERIF	DATE_COL	Date of data collection in field			
VERIF	SITE_ID	Site ID			
VERIF	VISIT_NO	Number identifying which visit this is	|1|2		
VERIF	YEAR	Year of site visit.		2015	2013
	UID	Unique site visit ID			
	DATE_COL	Date of data collection in field			
	SITE_ID	Site ID			
	VISIT_NO	Number identifying which visit this is			
	PUBLICATION_DATE	Date of data file publication			
	MERCURY_FLAG	NARS flag for analyte Mercury			
	MICX_FLAG	NARS flag for analyte Microcystin			
CHEM	ANC_COND	Site condition class based on acidity	None|Episodic|ACID-AMD|ACID-aciddep|ACID-organic|No Data		
CHEM	NTL_COND	Site condition class based on total nitrogen concentration	Good|Fair|Poor|No Data		
CHEM	PTL_COND	Site condition class based on total phosphorus concentration	Good|Fair|Poor|No Data		
CHEM	SAL_COND	Site condition class based on conductivity	Good|Fair|Poor|No Data		
FPLG	HG_COND	Site condition class based on mercury concentration in fish tissue	Does Not Exceed 300 mg Hg/g ww|Exceeds 300 mg Hg/g ww|No Data|Not Assessed|No Sample Collected		
PHAB	LRBS_USE	"Log relative bed stability to use in assessing BEDSED_COND, filled in from other variables as needed"			
PHAB	W1_HALL	Human Disturbance Index(distance-wtd tally of types and presence used for condition			
PHab boatable: human disturbance	W1_HALL	Human Disturbance Index(distance-wtd tally of types and presence			
PHab wadeable: human disturbance	W1_HALL	Human Disturbance Index(distance-wtd tally of types and presence			
FPLG	MERCURY_MDL	Minimum Detection Limit for Mercury in Fish Tissue - NG/G			
FPLG	MERCURY_RESULT	Result for Mercury in Fish Tissue - NG/G			
FPLG	MERCURY_RL	Reporting Limit for Mercury in Fish Tissue - NG/G			
MICX	MICX_MDL	Minimum Detection Limit for Microcystin - UG/L			
MICX	MICX_RESULT	Result for Microcystin - UG/L			
MICX	MICX_RL	Reporting Limit for Microcystin - UG/L			
CHEM	ANC	Acid Neutralizing Capacity - MG N/L			
CHEM	COND	Conductivity - US/CM AT 25 C			
CHEM	PH	pH - STD. UNITS			
CHEM	NTL_UG_L	Total Nitrogen - UG N/L			
CHEM	PTL	Total Phosphorus - UG/L			
CHEM	DOC	Dissolved Organic Carbon - MG/L			
FPLL	MERCURY_DATA_FLAG	Laboratory or OW flag of result for Mercury			
FPLG	MERCURY_DATA_FLAG	Laboratory or OW flag of result for Mercury			
FPLL	MERCURY_COMMENT	Comment to indicate reason mercury data not used in assessment			
FPLG	MERCURY_COMMENT	Comment to indicate reason mercury data not used in assessment			
DESIGN	WGT_EXT_SP	Length of sampled streams represented by site in km			
