Table 8. Summary of nutrients, major ions, and dissolved organic carbon data for adjacent streams, wetland surface water, and ground-water sites, Wood River Wetland, upper Klamath River basin, Oregon, 2003–05.

[See table 1 for sampling site information. Abbreviations: N, nitrogen; μg/L, microgram per liter; min, minimum; max, maximum; n, number of observations; MDL, method detection limit; NU, North Unit; SU, South Unit; ART, artesian well; PZ, piezometer well; WRDK, Wood River dike; AGDK, Agency Lake dike; <, less than; –, no data]

Site type	Sampling site	Dissolved nitrite+nitrate-N (NO2+NO3) (μg/L)					Dissolved ammonium-N (NH3+NH4) (μg/L)					Dissolved inorganic nitrogen (DIN) (μg/L)
		median	min	max	n		median	min	max	n		median	min	max	n
Tributary	Sevenmile Canal–inflow - SMIN	3.1	0.5	27.6	8		12	5.2	84	8		14	6.9	110	8
	Sevenmile Canal–mouth - SMDK	3.2	0.6	9.7	10		20	10	38	11		24	11	42	11
	Wood River–mouth WRDK	3.1	0.5	31.9	15		6.6	2.4	19	15		10	4.5	39	15
Wetland surface water	North Canal–inflow	1.9	<MDL	970	9	180	8.4	4,830	9	220	10	5,800	9
	NU wetland–surface	3.6	<MDL	5,120	74	380	2.3	2,760	75	410	7.1	5,710	75
	SU wetland–surface	115	<MDL	820	94	510	28	5,840	94	755	32	5,850	94
Wetland ground water	ART-1	1.2	0.4	8.1	8	5,790	5,620	5,970	8	5,740	0.4	5,970	9
	ART-3	2.2	2.2	2.2	1	6,360	6,360	6,360	1	6,360	6,360	6,360	1
	PZ-NU1	5.8	0.3	80.1	11	130	78	690	11	130	84	770	11
	PZ-NU2	2.6	0.1	8.8	12	4,510	3,320	8,960	12	4,510	3,320	8,960	12
	PZ-NU3	8.7	0.6	82.2	12	33,400	22,900	36,500	12	33,450	22,900	36,500	12
	PZ-SU1	11.2	3.0	180	10	655	330	2,020	10	670	0.0	2,030	11
	PZ-SU2	8.4	0.6	46.8	12	2,810	1,910	3,330	12	2,820	1,920	3,360	12
	PZ-SU3	1.2	<MDL	47.7	12	3,290	2,890	3,570	12	3,290	2,890	3,570	12
	PZ-WRDK	5.5	3.8	15.5	5	2,430	2,270	3,160	5	2,440	2,290	3,160	5
	PZ-AGDK	3.0	1.9	21.6	6	7,380	7,280	7,980	6	7,380	7,290	8,010	6

Site type	Sampling site	Dissolved Kjeldahl + ammonium-N (DKN) (μg/L)					Total Kjeldahl + ammonium-N (TKN) (μg/L)					Total Kjeldahl-N + ammonium-N + nitrite+nitrate-N (TN) (μg/L)
		median	min	max	n		median	min	max	n		median	min	max	n
Tributary	Sevenmile Canal–inflow	265	87	390	4		480	160	1,110	7		480	160	1,110	7
	Sevenmile Canal–mouth	430	140	860	7		545	210	790	8		545	210	790	8
	Wood River–mouth	120	54	200	7		140	57	430	14		140	57	430	14
Wetland surface water	North Canal–inflow	–	–	–	0	1,050	920	6,860	5	1,050	960	7,830	5
	NU Wetland–surface	3,970	140	13,600	56	4,150	230	17,500	71	4,210	230	17,500	71
	SU Wetland–surface	9,240	290	38,600	61	10,600	320	90,000	90	10,600	320	90,000	90
Wetland ground water	ART-1	6,080	5,720	6,320	4	6,060	5,920	6,670	5	6,060	5,920	6,680	5
	ART-3	–	–	–	0	–	–	–	0	6,360	6,360	6,360	1
	PZ-NU1	1,990	1,270	3,890	7	2,340	1,700	3,910	9	2,340	1,730	3,910	9
	PZ-NU2	5,150	4,220	7,170	7	6,050	4,080	9,700	10	6,050	4,080	9,700	10
	PZ-NU3	38,250	35,500	42,900	8	40,450	36,800	43,100	10	40,450	36,800	43,100	10
	PZ-SU1	1,760	1,260	1,910	6	2,830	1,760	6,710	8	2,830	1,840	6,710	8
	PZ-SU2	4,280	3,580	4,400	7	4,130	2,630	5,320	10	4,130	2,630	5,330	10
	PZ-SU3	3,700	3,190	6,150	8	3,650	3,450	4,190	10	3,670	3,450	4,190	10
	PZ-WRDK	3,490	2,810	3,700	4	5,280	3,370	7,310	3	4,480	3,370	7,310	4
	PZ-AGDK	8,090	7,990	9,490	4	13,600	12,800	15,300	4	13,500	7,500	15,300	5

Site type	Sampling site	Soluble reactive phosphorus (SRP) (μg/L)					Total phosphorus (TP) (μg/L)					Dissolved silica (Si) (mg/L)
		median	min	max	n		median	min	max	n		median	min	max	n
Tributary	Sevenmile Canal–inflow SMIN	74	59	130	8		130	85	180	7		–	–	–	0
	Sevenmile Canal–mouth SMDK	120	74	320	11		185	91	250	8		48	48	48	1
	Wood River–mouth WRDK	100	79	160	15		100	90	210	14		–	–	–	0
Wetland surface water	North Canal–inflow	120	50	1,490	9	130	110	1,050	5	–	–	–	0
	NU Wetland–surface	500	41	3,210	75	670	72	6,660	71	58	42	73	2
	SU Wetland–surface	7,020	88	19,900	94	7,800	99	32,200	90	49	35	64	4
Wetland ground water	ART-1	6,240	6,180	6,310	8	6,560	6,340	6,760	5	–	–	–	0
	ART-3	6,790	6,790	6,790	1	–	–	–	0	–	–	–	0
	PZ-NU1	720	280	1,520	11	780	350	1,680	9	60	60	60	1
	PZ-NU2	2,100	290	2,570	12	2,900	2,270	3,670	10	–	–	–	0
	PZ-NU3	3,600	290	4,110	12	4,370	4,060	4,650	10	–	–	–	0
	PZ-SU1	3,010	950	5,030	10	4,920	2,170	5,860	8	–	–	–	0
	PZ-SU2	6,070	3,770	7,000	12	6,940	6,190	7,490	10	–	–	–	0
	PZ-SU3	6,390	6,030	6,630	12	6,710	6,430	7,150	10	–	–	–	0
	PZ-WRDK	1,930	1,620	2,180	5	2,750	2,180	3,270	3	–	–	–	0
	PZ-AGDK	1,090	93	1,270	6	1,920	1,730	2,280	4	–	–	–	0

Site type	Sampling site	Dissolved organic carbon (DOC) (mg/L)					Dissolved chloride (Cl) (mg/L)
		median	min	max	n		median	min	max	n
Tributary	Sevenmile Canal–inflow	6	3	8	2		3	2	11	8
	Sevenmile Canal–mouth	3	3	3	1		4	2	7	10
	Wood River–mouth	2	2	2	2		6	5	6	15
Wetland surface water	North Canal–inflow	15	7	17	3	8	2	33	9
	NU Wetland–surface	44	24	66	8	14	2	63	71
	SU Wetland–surface	99	95	270	13	43	2	230	94
Wetland ground water	ART-1	4	4	5	2	1	1	1	8
	ART-3	–	–	–	0	1	1	1	1
	PZ-NU1	18	18	18	1	6	4	14	11
	PZ-NU2	20	20	20	1	7	5	40	12
	PZ-NU3	26	26	26	1	9	8	11	12
	PZ-SU1	24	24	24	1	19	8	25	10
	PZ-SU2	20	20	20	1	9	2	17	12
	PZ-SU3	8	8	8	1	3	2	7	12
	PZ-WRDK	–	–	–	0	7	6	18	5
	PZ-AGDK	–	–	–	0	5	5	7	6