[dd, decimal degrees; ft, feet above the North American Vertical Datum of 1988; OB, bulk deposition from E or VWM; E, depth-integrated depth-integrated environmental;																									
VWM, volume-weighted mean of two snowpack layers; ANC, acid neutralization capacity; ueq/L, microequivalents per liter;																									
uS/cm, microsiemens per centimeter; SC, specific conductance at 25degC; pH values in standard units; H, hydrogen; Ca, calcium;																									
Mg, magnesium; Na, sodium; K, potassium;  NH4, ammonium; Cl, chloride; SO4, sulfate; NO3, nitrate; DOC, dissolved organic carbon;																									
mg/L, milligrams per liter; SWE, snow-water equivalent;  cm, centimeters; d34S, stable-sulfur isotope ratio (34S/32S); Hg, mercury;																									
ng/L, nanograms per liter; NA or empty cell indicates not analyzed; <, below reporting limits; M, presence verified but not quantified; %, percent																									
missing year indicates no sample collected or sample results reviewed and rejected																									
Roth 1994: Mercury in water by CVAFD with potassium dichromate preservation																									
USEPA Method 1631, Rev E: Mercury in water by Oxidation, Purge and Trap, and CVAFS]																									
																									
Station ID	480919113563600																								
Site Name	NOISY BASIN, MT																								
Latitude (dd)	48.15527778																								
Longitude (dd)	-113.9433333																								
Elevation (ft)	6117.2																								
SiteNumber	StationName	SampleDate	WaterYear	SampleType	ANC (ueq/L)	SC (uS/cm)	pH	H (ueq/L)	Ca (ueq/L)	Mg (ueq/L)	Na (ueq/L)	K (ueq/L)	NH4 (ueq/L)	Cl (ueq/L)	SO4 (ueq/L)	NO3 (ueq/L)	DOC (mg/L)	Total N (mg/L)	Total Dissolved N (mg/L)	Hg (ng/L) Roth 1994	Hg (ng/L) USEPA 1631	d34S (per mil)	SWE (cm)	Snow Depth (cm)	Ionic Balance (%)
480919113563600	NOISY BASIN, MT	1993-04-01	1993	OB	-15	5	5.1	7.9	<3.1	<1.7	<3	<0.5	4.7	<1.1	6.5	5.6	0.5					4.9	86	259	2
480919113563600	NOISY BASIN, MT	1994-03-22	1994	OB	-8	5	5.1	7.9	<3.1	<1.7	<3	0.5	5.7	1.4	5.4	6.1	0.9					5.3		208	4.4
480919113563600	NOISY BASIN, MT	1995-03-16	1995	OB	-6	3	5.2	6.3	<3.1	<1.7	<3	0.5	4	<1.1	3.3	4.1	0.9					5.5		254	18.7
480919113563600	NOISY BASIN, MT	1996-03-15	1996	OB	-3	2	5.2	6.3	<3.1	<1.7		9.7	2.8	<1.1	3.1	4.2	0.6					6.3		231	44.1
480919113563600	NOISY BASIN, MT	1997-03-15	1997	OB	-8	4	5.2	6.3	<3.1	<1.7		0.5	2.1	1.1	3.7	4.7						6.8		495	-3.3
480919113563600	NOISY BASIN, MT	1998-03-12	1998	OB	-7	4	5.2	6.3	3.5	<1.7		<0.5	3.8	1.1	4.2	5.7	0.5					6.3		307	10.6
480919113563600	NOISY BASIN, MT	1999-03-11	1999	OB	-7.4	4	5.2	6.3	<3.1	<1.7	<0.9	<0.5	4.3	<1.1	3.3	4.9	0.4							371	12.8
480919113563600	NOISY BASIN, MT	2000-03-09	2000	OB	-6.2	4	5.1	7.9	<3.1	<1.7	<0.9	<0.5	4.2	<1.1	3.5	5.4	0.5							302	15.2
480919113563600	NOISY BASIN, MT	2001-03-08	2001	OB	-10.6	6	5	10	<3.1	<1.7	1.3	0.5	4.2	<1.1	6.7	8.6	0.7					5.6		203	2.2
480919113563600	NOISY BASIN, MT	2002-03-08	2002	OB	-6	4	5.2	6.3	<3.1	<1.7	<0.9	0.8	5	<1.1	3.1	6.4	0.5			2.3			83	274	12
480919113563600	NOISY BASIN, MT	2003-03-06	2003	OB	-4.4	4	5.2	6.3	<3.1	<1.7	0.9	0.5	5.3	<1.1	3.3	5.7	0.4			1.3			53	239	18.2
480919113563600	NOISY BASIN, MT	2004-03-04	2004	OB	-7	4	5.1	7.9	<3.1	<1.7	<0.9	<0.5	3	<1.1	3.3	5.7	0.4			1.5			82	302	9.5
480919113563600	NOISY BASIN, MT	2005-03-04	2005	OB	-9.6	5	5.2	6.3	<3.1	<1.7	<0.9	<0.5	3.5	2.3	4	5	<0.2			1.7			49	160	-7.1
480919113563600	NOISY BASIN, MT	2006-03-02	2006	OB	-0.8	4.3	5.3	5	<0.5	<0.2	0.9	1.3	3.9	1.4	2.7	4.3	0.74						102	335	13.8
480919113563600	NOISY BASIN, MT	2007-03-01	2007	OB	-4.4	4.2	5.3	5	2	0.8	1.3	0.5	3.2	1.7	4	5	0.39						72	284	8.9
480919113563600	NOISY BASIN, MT	2008-02-28	2008	OB	-4.8	4.7	5.2	6.3	5	0.8	1.7	0.8	4.5	1.4	4.8	5	0.41						87	302	26.1
480919113563600	NOISY BASIN, MT	2009-02-26	2009	OB	-5.4	3.4	5.3	5	<0.5	<0.2	<0.9	<0.5	3.2	0.6	3.3	4.3	0.27	0.11			1.53		80	300	0
480919113563600	NOISY BASIN, MT	2010-03-04	2010	OB	-6	3.4	5.3	5	2	0.8	1.3	<0.5	4.2	0.8	2.9	4.3	0.52				2.31		72	244	24.9
480919113563600	NOISY BASIN, MT	2011-03-03	2011	OB	-6.4	3.1	5.2	6.3	1.5	0.8	<0.9	0.8	2.9	<0.6	2.3	3.6	0.46				1.84		122	381	35.2
480919113563600	NOISY BASIN, MT	2012-03-05	2012	OB	-8	3	5	10	2.5	<1.6	1.3	<0.5	5.8	1.7	3.7	4.9	0.4	0.14			2.18		80	320	31.1
480919113563600	NOISY BASIN, MT	2013-02-28	2013	OB	-6	3	5	10	2.5	<1.6	0.9	<0.5	5.7	1.1	3.5	5	0.4	0.13			3.05		83	300	33.1
480919113563600	NOISY BASIN, MT	2014-02-27	2014	OB	-3.2	3	5.4	4	2	<0.8	0.9	0.8	3.5	0.8	2.9	3.8	0.41	0.1	0.12				84	284	19.8
480919113563600	NOISY BASIN, MT	2015-03-05	2015	OB	-5	2.1	5.4	4	0.5	M	0.4	0.3	2.3	0.6	1.5	2.1	0.26	0.05			1.04		88	264	28.2
480919113563600	NOISY BASIN, MT	2016-03-01	2016	OB	-0.4	2.8	5.4	4	1	<0.2	1.3	1	3.5	1.1	1.7	3.6	1.15	0.1			1.57		110	323	25.6