MUDDY CREEK BASIN

400841106240600 WOLFORD MOUNTAIN RESERVOIR AT MIDLAKE NEAR KREMMLING, CO

WATER-QUALITY RECORDS

LOCATION.--Lat. 40°08'41", long 106°24'06", in NW14NW14 sec.18, T.2 N, R.80 W., Grand County, Hydrologic Unit 14010001, 5 mi north of Kremmling.

DRAINAGE AREA.--270 mi2.

PERIOD OF RECORD.--July 1995 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=400841106240600

REMARKS.--Samples were collected near-surface and near-bottom in the bay east of boat ramp.

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

Date	Time	Sam- pling depth, feet (00003)	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)
JUN
26...	1045	0.50	6.2	8.0	430	15.5
26...	1046	5.00	6.3	8.0	433	15.5
26...	1047	10.0	6.2	8.0	435	15.4
26...	1048	15.0	5.9	8.0	436	15.3
26...	1049	20.0	5.9	8.0	436	15.3
26...	1050	25.0	5.6	7.9	436	15.3
26...	1051	30.0	5.4	7.8	451	14.0
26...	1052	35.0	4.4	7.7	494	12.8
26...	1053	40.0	3.7	7.6	552	11.2
26...	1054	45.0	3.3	7.5	598	10.0
26...	1055	50.0	3.0	7.5	614	9.8
JUL
17...	1035	0.50	7.1	8.0	489	19.4
17...	1036	5.00	6.9	8.1	489	18.8
17...	1037	10.0	6.8	8.1	495	18.8
17...	1038	15.0	6.4	8.0	509	18.7
17...	1039	20.0	4.9	7.9	529	17.2
17...	1040	25.0	4.0	7.8	516	15.4
17...	1041	30.0	3.6	7.7	528	14.5
17...	1042	35.0	3.1	7.6	548	13.6
17...	1043	40.0	2.7	7.6	561	13.1
17...	1044	45.0	2.0	7.5	589	11.4
AUG
26...	1110	0.50	6.1	7.9	540	19.2
26...	1111	5.00	6.1	7.9	540	19.1
26...	1112	10.0	5.9	7.9	540	19.0
26...	1113	15.0	5.9	8.0	540	19.0
26...	1114	20.0	5.9	8.0	540	19.0
26...	1115	25.0	4.1	7.9	538	18.3
26...	1116	30.0	0.6	7.7	567	16.6
26...	1117	35.0	0.2	7.5	562	13.9
26...	1118	40.0	0.2	7.5	569	12.6
26...	1119	45.0	0.2	7.4	579	11.9
SEP
30...	1047	0.50	6.5	8.0	566	13.8
30...	1048	5.00	6.5	8.0	564	13.6
30...	1049	10.0	6.4	8.0	564	13.6
30...	1050	15.0	6.3	8.0	564	13.6
30...	1051	20.0	6.2	8.0	563	13.6
30...	1052	25.0	5.9	8.0	565	13.5
30...	1053	30.0	5.8	8.0	566	13.5
30...	1054	35.0	5.8	8.0	567	13.4
30...	1055	40.0	5.3	7.9	572	13.3
30...	1056	45.0	4.7	7.9	573	13.2
30...	1057	50.0	2.0	7.8	590	12.4
30...	1058	55.0	0.8	7.7	601	12.0

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

Date	Time	Sam- pling depth, feet (00003)	Trans- parency Secchi disc, inches (00077)	Turbid- ity, wat unf lab, Hach 2100AN NTU (99872)	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)	Potas- sium, water, fltrd, mg/L (00935)	Sodium adsorp- tion ratio (00931)
JUN
26...	1100	0.10	92.0	--	6.2	8.0	430	15.5	190	50.4	16.0	1.99	0.6
26...	1115	45.0	--	--	3.3	7.5	598	10.0	260	65.1	23.4	2.52	0.8
JUL
17...	1045	0.10	90.0	3.7	7.1	8.0	489	19.4	210	56.1	17.6	2.06	0.6
17...	1100	45.0	--	6.0	2.0	7.5	589	11.4	240	63.4	21.0	2.23	0.7
AUG
26...	1130	0.10	134	1.6	6.1	7.9	540	19.2	260	68.6	21.5	2.38	0.6
26...	1145	45.0	--	4.9	0.2	7.4	579	11.9	280	71.6	23.5	2.47	0.7
SEP
30...	1100	0.10	129	1.8	6.5	8.0	566	13.8	270	70.0	22.7	2.25	0.6
30...	1110	55.0	--	42	0.8	7.7	601	12.0	280	71.0	24.4	2.37	0.7

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

Date	Sodium, water, fltrd, mg/L (00930)	ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410)	Chlor- ide, water, fltrd, mg/L (00940)	Fluor- ide, water, fltrd, mg/L (00950)	Silica, water, fltrd, mg/L (00955)	Sulfate water, fltrd, mg/L (00945)	Residue water, fltrd, sum of consti- tuents mg/L (70301)	Residue water, fltrd, tons/ acre-ft (70303)	Residue on evap. at 180degC wat flt mg/L (70300)	Ammonia + org-N, water, fltrd, mg/L as N (00623)	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)
JUN
26...	18.4	92	3.13	<0.2	8.1	128	282	0.43	315	0.42	0.38	0.021	0.130
26...	29.9	112	5.01	0.2	7.4	196	398	0.59	434	0.35	0.37	E.010	0.340
JUL
17...	20.0	100	3.15	<0.2	8.2	144	311	0.46	337	0.38	0.41	0.017	0.070
17...	24.6	109	4.10	<0.2	8.3	181	371	0.55	401	0.35	0.40	0.016	0.271
AUG
26...	21.4	111	3.35	0.2	7.8	172	364	0.52	385	0.35	0.35	E.010	0.082
26...	25.6	114	4.24	<0.2	8.5	188	394	0.56	415	0.36	0.36	E.012	0.306
SEP
30...	23.9	116	3.42	0.2	8.0	185	385	0.56	414	0.33	0.38	E.014	0.132
30...	27.8	122	4.18	0.2	8.8	200	413	0.60	439	0.43	0.54	0.095	0.173

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

Date	Nitrite water, fltrd, mg/L as N (00613)	Organic nitro- gen, water, fltrd, mg/L (00607)	Ortho- phos- phate, water, fltrd, mg/L as P (00671)	Phos- phorus, water, fltrd, mg/L (00666)	Phos- phorus, water, unfltrd mg/L (00665)	E coli, m-TEC MF, water, col/ 100 mL (31633)	Chloro- phyll a phyto- plank- ton, fluoro, ug/L (70953)	Chloro- phyll b phyto- plank- ton, fluoro, ug/L (70954)	Alum- inum, water, unfltrd recover -able, ug/L (01105)	Arsenic water, fltrd, ug/L (01000)	Arsenic water unfltrd ug/L (01002)	Barium, water, fltrd, ug/L (01005)	Barium, water, unfltrd recover -able, ug/L (01007)
JUN
26...	0.005	0.40	<0.007	0.007	0.021	E1	0.3	<0.1	102	<2	<2	47.4	46.7
26...	<0.002	--	E.004	0.010	0.025	--	--	--	99	<2	<2	57.7	55.2
JUL
17...	0.006	0.36	<0.007	0.007	0.021	E2	0.3	<0.1	96	<2	<2	51.1	52.6
17...	0.003	0.33	<0.007	0.006	0.021	--	--	--	116	<2	<2	53.9	59.2
AUG
26...	0.005	--	<0.007	0.005	0.011	E1	1.2	<0.1	25	<2	<2	54.6	57.1
26...	E.002	--	<0.007	0.006	0.017	--	--	--	55	<2	<2	53.6	58.2
SEP
30...	0.005	--	<0.007	0.005	0.010	<1	0.6	<0.1	31	M	E1	56.8	47.3
30...	0.005	0.33	<0.007	0.009	0.064	--	--	--	409	E1	2	56.9	54.0

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

Date	Beryll- ium, water, unfltrd recover -able, ug/L (01012)	Cadmium water, fltrd, ug/L (01025)	Cadmium water, unfltrd ug/L (01027)	Chrom- ium, water, fltrd, ug/L (01030)	Chrom- ium, water, unfltrd recover -able, ug/L (01034)	Cobalt water, unfltrd recover -able, ug/L (01037)	Copper, water, fltrd, ug/L (01040)	Copper, water, unfltrd recover -able, ug/L (01042)	Iron, water, fltrd, ug/L (01046)	Iron, water, unfltrd recover -able, ug/L (01045)	Lead, water, fltrd, ug/L (01049)	Lead, water, unfltrd recover -able, ug/L (01051)	Lithium water unfltrd recover -able, ug/L (01132)
JUN
26...	<0.5	<0.2	<0.2	<0.8	<0.8	0.390	1.7	3.2	31	160	0.21	0.20	15.4
26...	<0.5	<0.2	<0.2	<0.8	E.5	0.415	1.8	2.3	12	160	<0.08	0.19	22.7
JUL
17...	<0.5	<0.2	<0.2	<0.8	<0.8	0.363	1.7	2.1	28	130	<0.08	0.11	18.1
17...	<0.5	<0.2	<0.2	<0.8	<0.8	0.366	1.7	2.2	15	180	<0.08	0.10	22.4
AUG
26...	<0.5	<0.2	<0.2	<0.8	<0.8	0.376	2.8	2.7	E6	10	<0.08	0.08	21.9
26...	<0.5	<0.2	<0.2	<0.8	<0.8	0.477	2.4	2.3	17	10	<0.08	0.10	23.9
SEP
30...	<0.5	<0.2	<0.2	<0.8	<0.8	0.344	1.8	3.0	E5	40	<0.08	E.06	23.7
30...	<0.5	<0.2	<0.2	<0.8	<0.8	0.884	1.5	3.5	10	750	<0.08	0.75	28.0

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

Date	Mangan- ese, water, fltrd, ug/L (01056)	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Mercury water, fltrd, ug/L (71890)	Mercury water, unfltrd recover -able, ug/L (71900)	Molyb- denum, water, unfltrd recover -able, ug/L (01062)	Nickel, water, unfltrd recover -able, ug/L (01067)	Selen- ium, water, fltrd, ug/L (01145)	Selen- ium, water, unfltrd ug/L (01147)	Silver, water, fltrd, ug/L (01075)	Silver, water, unfltrd recover -able, ug/L (01077)	Zinc, water, fltrd, ug/L (01090)	Zinc, water, unfltrd recover -able, ug/L (01092)
JUN
26...	5.4	8	<0.02	<0.02	1.9	3.24	2.4	2.3	<0.2	<0.16	2	E1
26...	3.9	20	<0.02	<0.02	2.5	4.23	3.1	3.2	<0.2	<0.16	1	E2
JUL
17...	2.2	6	<0.02	<0.02	2.1	3.27	2.4	2.3	<0.2	<0.16	1	E1
17...	4.9	25	<0.02	<0.02	2.3	3.90	2.6	2.7	<0.2	<0.16	1	E2
AUG
26...	0.5	3	<0.02	<0.02	2.5	3.98	2.5	2.4	<0.2	<0.16	1	<2
26...	55.8	99	<0.02	<0.02	2.5	3.54	2.5	2.5	<0.2	<0.16	2	<2
SEP
30...	3.1	7	<0.02	<0.02	2.5	3.22	2.2	2.5	<0.2	<0.16	M	<2
30...	221	371	<0.02	<0.02	2.6	3.96	3.0	2.4	<0.2	<0.16	1	4
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value. M -- Presence of material verified but not quantified.