Water-Resources Investigations Report 01-4030 -- Table 18

WRIR 02-4030: Streamflow and Water-Quality Data for Selected Watersheds in the Lake Tahoe Basin, California and Nevada, through September 1998	Table of Contents
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Table 18. Nutrient and suspended-sediment monthly load summary statistics (median, maximum, and minimum) and median monthly yields for period of comparison (water years 1988-98) and for complete period of record for the 10 primary LTIMP sampling stations in the Lake Tahoe Basin, California and Nevada

[Abbreviations: kg, kilogram; kg/km², kilogram per square kilometer; kg/mo; kilogram per month]

	Dissolved nitrite + nitrate (NO₂ + NO₃) nitrogen (kg/mo)	Dissolved ammonia (NH₄) nitrogen (kg/mo)	Total nitrogen (kg/mo)	Soluble reactive phosphorus (kg/mo)	Total phosphorus (kg/mo)	Biologically reactive iron (kg/mo)	Suspended sediment (kg/mo)
Third Creek near Crystal Bay
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	5.91	1.08	117	3.07	24.2	716	21,200
Maximum	85.7	7.88	1,900	55.2	576	6,980	2,080,000
Minimum	.88	.20	10.3	.64	3.55	97.5	1,840
Yield (kg/km²)	.38	.07	7.50	.20	1.55	45.9	1,360
Incline Creek near Crystal Bay
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	9.65	1.46	95.4	5.17	22.9	544	15,700
Maximum	86.4	10.5	1,950	69.4	610	6,410	401,000
Minimum	1.30	.29	15.3	1.03	2.30	76.1	2,200
Yield (kg/km²)	.56	.08	5.51	.30	1.32	31.4	908
Glenbrook Creek at Glenbrook
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	.83	.25	12.4	0.74	2.59	64.9	559
Maximum	17.1	3.17	428	18.8	135	1,210	42,700
Minimum	.04	.01	.15	.02	.09	.62	6.2
Yield (kg/km²)	.08	.02	1.17	.07	.24	6.12	52.7
Logan House Creek near Glenbrook
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	.20	.07	2.65	.05	.25	1.30	36.8
Maximum	3.49	1.74	125	2.08	14.3	198	13,500
Minimum	.01	.01	.07	.01	.02	.04	.1
Yield (kg/km²)	.04	.01	.49	.01	.04	.24	6.80
Edgewood Creek at Stateline
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	5.20	1.72	53.1	3.82	14.6	233	4,450
Maximum	25.8	53.7	425	27.5	166	1,150	30,000
Minimum	1.31	.11	13.5	1.40	4.30	47.9	631
Yield (kg/km²)	.36	.12	3.66	.26	1.01	16.1	307
Trout Creek at South Lake Tahoe
Period of record	1982-98	1988-98	1988-98	1982-98	1982-98	1990-98	1982-98
Median	28.8	5.74	293	16.9	87.7	1,000	40,600
Maximum	188	24.6	4,300	249	1,910	13,000	1,130,000
Minimum	3.23	1.68	48.0	2.85	8.38	123	3,120
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	22.0	5.74	293	13.8	61.9	1,000	23,000
Maximum	119	24.6	4,300	168	860	13,000	820,000
Minimum	3.83	1.68	48.0	3.98	12.41	123	3,120
Yield (kg/km²)	.21	.05	2.79	.13	.59	9.52	219
Upper Truckee River at South Lake Tahoe
Period of record	1983-98	1988-98	1988-98	1983-98	1983-98	1983-98	1983-98
Median	64.0	10.5	413	14.3	101	1,160	40,900
Maximum	848	120	13,100	392	3,160	64,700	3,670,000
Minimum	1.08	.17	14.3	.46	1.97	27.8	227
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	53.0	10.5	413	11.1	76.7	1,200	33,200
Maximum	848	120	13,100	392	3,160	64,700	3,670,000
Minimum	1.08	.17	14.3	.46	1.97	27.8	227
Yield (kg/km²)	.38	.08	2.95	.08	.55	8.57	237
General Creek near Meeks Bay
Period of record	1985-98	1988-98	1988-98	1985-98	1985-98	1990-98	1985-98
Median	2.32	0.73	22.1	2.32	11.3	32.5	785
Maximum	55.4	18.6	1,550	30.9	425	3,960	914,000
Minimum	.14	.07	1.44	.65	1.35	3.42	54.4
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	1.58	0.73	22.1	2.10	9.74	32.5	576
Maximum	43.5	18.6	1,550	30.9	425	3,960	914,000
Minimum	0.14	0.07	1.44	0.65	1.35	3.42	54.4
Yield (kg/km²)	.08	.04	1.16	.11	.51	1.70	30.2
Blackwood Creek near Tahoe City
Period of record	1986-98	1988-98	1988-98	1986-98	1986-98	1986-98	1986-98
Median	12.4	2.73	77.1	3.92	28.6	265	6,000
Maximum	783	53.2	12,200	127	6,180	183,000	6,500,000
Minimum	.43s	.32	6.84	1.00	5.00	67.6	129
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	11.4	2.73	77.1	3.83	28.6	316	6,820
Maximum	783	53.2	12,200	127	6,180	183,000	6,500,000
Minimum	.43	.32	6.84	1.00	5.00	84.6	129
Yield (kg/km²)	.40	.10	2.69	.13	1.00	11.0	238
Ward Creek at State Highway 89
Period of record	1986-98	1988-98	1988-98	1986-98	1986-98	1986-98	1986-98
Median	3.66	1.35	48.8	3.84	15.3	51.7	3,950
Maximum	608	29.6	5,540	108	2,240	127,000	4,470,000
Minimum	.02	.01	.23	.03	.09	.18	32.2
Comparison period	1988-98	1988-98	1988-98	1988-98	1988-98	1990-98	1988-98
Median	3.82	1.35	48.8	3.88	15.8	71.5	4,160
Maximum	608	29.6	5,540	108	2,240	127,000	4,470,000
Minimum	.02	.01	.23	.03	.09	.30	15.4
Yield (kg/km²)	.15	.05	1.94	.15	.63	2.84	165