GUNNISON RIVER BASIN

CURECANTI WATER-QUALITY NETWORK-Continued

382924107352300 CRYSTAL RESERVOIR AT CRYSTAL CREEK NEAR CIMARRON, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 38°29'24", long 107°35'23", in SW14SW14 sec.19, T.49 N., R.6 W., Gunnison County, Hydrologic Unit 14020002, 0.5 mi upstream of Crystal Creek, and 3.7 mi northwest of Cimarron.

PERIOD OF RECORD.--For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=382924107352300

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

Date	Time	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)	Hard- ness, water, unfltrd mg/L as CaCO3 (00900)	Calcium water, fltrd, mg/L (00915)	Magnes- ium, water, fltrd, mg/L (00925)	Ammonia + org-N, water, unfltrd mg/L as N (00625)	Ammonia water, fltrd, mg/L as N (00608)	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)
APR
22...	1133	10.9	8.2	224	4.9	100	30.7	6.48	0.13	<0.015	0.053	E.002	0.009
JUN
10...	1107	8.1	8.1	200	13.3	86	24.8	5.87	0.21	0.026	0.036	E.002	0.009
JUL
10...	1117	7.6	8.1	209	14.4	94	27.9	5.92	0.24	<0.015	0.022	E.002	<0.007
AUG
11...	1242	8.0	8.4	212	15.7	100	31.5	6.22	0.24	<0.015	E.014	<0.002	<0.007
25...	1027	7.8	8.2	213	15.7	97	28.5	6.27	0.26	<0.015	<0.022	<0.002	<0.007
SEP
08...	1035	8.6	8.2	217	14.1	100	30.8	6.80	0.31	<0.015	E.016	<0.002	E.004

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

Date	Phos- phorus, water, unfltrd mg/L (00665)	Cadmium water, fltrd, ug/L (01025)	Copper, water, fltrd, ug/L (01040)	Lead, water, fltrd, ug/L (01049)	Mangan- ese, water, fltrd, ug/L (01056)	Selen- ium, water, fltrd, ug/L (01145)	Silver, water, fltrd, ug/L (01075)	Zinc, water, fltrd, ug/L (01090)
APR
22...	0.021	<0.04	0.7	<0.08	1.5	<0.5	<0.2	<1
JUN
10...	0.026	<0.04	0.9	<0.08	17.1	<0.5	<0.2	M
JUL
10...	0.018	<0.04	0.7	<0.08	14.5	<0.5	<0.2	M
AUG
11...	0.014	<0.04	0.8	<0.08	3.8	E.3	<0.2	<1
25...	0.016	<0.04	0.9	<0.08	2.1	<0.5	<0.2	1
SEP
08...	0.020	<0.04	1.0	<0.08	1.6	E.3	<0.2	<1
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value. M -- Presence of material verified but not quantified.