RIO GRANDE BASIN

CLOSED BASIN IN SAN LUIS VALLEY, CO

08227000 SAGUACHE CREEK NEAR SAGUACHE, CO--Continued

(National Water-Quality Assessment Program station)

WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1967 to September 1968, April 1993 to August 1995, April 2001 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=08227000

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Time	Instan- taneous dis- charge, cfs (00061)	Dis- solved oxygen, mg/L (00300)	pH, water, unfltrd field, std units (00400)	Specif. conduc- tance, wat unf uS/cm 25 degC (00095)	Temper- ature, water, deg C (00010)	Alka- linity, wat flt inc tit field, mg/L as CaCO3 (39086)	Bicar- bonate, wat flt incrm. titr., field, mg/L (00453)	Carbon- ate, wat flt incrm. titr., field, mg/L (00452)	Chlor- ide, water, fltrd, mg/L (00940)	Sulfate water, fltrd, mg/L (00945)	Ammonia + org-N, water, unfltrd mg/L as N (00625)	Ammonia water, fltrd, mg/L as N (00608)
OCT
08...	1240	23	10.4	8.3	140	10.0	62	75	0.0	1.36	4.3	0.26	<0.04
NOV
14...	1310	47	10.4	7.3	141	0.5	62	76	0.0	1.27	6.3	0.64	<0.04
DEC
19...	1250	12	11.2	7.2	150	0.0	77	93	0.0	0.92	4.6	0.17	<0.04
JAN
27...	1310	23	11.3	7.4	127	0.0	61	74	0.0	0.77	4.6	0.21	<0.04
MAR
03...	1320	36	10.8	7.5	136	0.0	52	64	0.0	1.16	5.3	0.51	0.04
APR
25...	1140	39	9.1	8.1	142	10.5	56	68	0.0	1.80	6.5	0.36	<0.04
JUN
19...	1250	57	7.1	8.0	107	19.0	45	54	0.0	0.77	3.0	0.53	<0.04
AUG
19...	1210	33	7.7	8.0	121	18.0	62	76	0.0	1.03	3.3	0.36	<0.04

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

Date	Nitrite + nitrate water fltrd, mg/L as N (00631)	Nitrite water, fltrd, mg/L as N (00613)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, unfltrd mg/L (00665)	Sus- pended sedi- ment concen- tration mg/L (80154)	Sus- pended sedi- ment load, tons/d (80155)
OCT
08...	<0.06	<0.008	0.06	0.111	16	0.99
NOV
14...	<0.06	<0.008	0.05	0.19	82	10
DEC
19...	<0.06	<0.008	0.05	0.079	7	0.22
JAN
27...	E.06	<0.008	0.04	0.081	12	0.75
MAR
03...	E.06	<0.008	0.06	0.18	128	12
APR
25...	<0.06	<0.008	0.06	0.133	23	2.4
JUN
19...	<0.06	<0.008	0.07	0.141	23	3.5
AUG
19...	<0.06	<0.008	0.08	0.168	39	3.4
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value.