PLATTE RIVER BASIN

06742500 CARTER LAKE NEAR BERTHOUD, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--February 1970 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06742500

REMARKS.--Samples collected near the southeast end of reservoir.

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)
NOV
07...	0853	0.50	8.1	7.2	71	8.9
07...	0854	5.00	8.1	7.2	70	8.9
07...	0855	10.0	7.9	7.2	68	8.9
07...	0856	15.0	7.9	7.2	68	8.9
07...	0857	20.0	7.9	7.2	68	8.9
07...	0858	25.0	7.8	7.2	67	8.8
07...	0859	30.0	7.8	7.2	67	8.8
07...	0900	35.0	7.8	7.2	67	8.8
07...	0901	40.0	7.7	7.2	67	8.8
07...	0902	45.0	7.7	7.2	67	8.8
07...	0903	50.0	7.7	7.2	66	8.8
07...	0904	55.0	7.6	7.2	66	8.8
07...	0905	60.0	7.5	7.2	66	8.8
07...	0906	65.0	7.6	7.2	66	8.8
07...	0907	70.0	7.6	7.2	66	8.8
07...	0908	75.0	7.6	7.2	66	8.7
07...	0909	80.0	7.6	7.2	66	8.7
07...	0910	85.0	7.7	7.2	66	8.7
07...	0911	90.0	7.7	7.2	66	8.7
MAY
16...	1111	0.50	8.5	7.3	59	12.9
16...	1112	5.00	8.6	7.4	59	12.6
16...	1113	10.0	8.6	7.5	59	12.3
16...	1114	15.0	8.5	7.6	59	12.3
16...	1115	20.0	8.7	7.6	59	11.4
16...	1116	25.0	9.2	7.6	58	8.6
16...	1117	30.0	9.2	7.4	58	6.6
16...	1118	35.0	9.2	7.3	58	6.3
16...	1119	40.0	9.0	7.2	58	6.2
16...	1120	45.0	8.9	7.2	58	6.1
16...	1121	50.0	8.8	7.2	58	6.0
16...	1122	55.0	8.7	7.1	58	5.8
16...	1123	60.0	8.8	7.1	58	5.8
16...	1124	65.0	8.7	7.0	58	5.6
16...	1125	70.0	8.6	7.0	58	5.6
16...	1126	75.0	8.5	7.0	58	5.5
16...	1127	80.0	8.5	7.0	58	5.4
16...	1128	85.0	8.4	7.0	58	5.3
16...	1129	90.0	8.3	7.0	58	5.2
16...	1130	100	8.2	7.0	58	5.2
16...	1131	110	8.3	7.0	58	5.2
16...	1132	120	8.3	7.0	58	5.1

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

Date	Time	Sam- pling depth, feet (00003)	Trans- parency Secchi disc, inches (00077)	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)	Sodium, water, fltrd, mg/L (00930)
NOV
07...	0915	0.10	108	8.1	7.2	71	8.9	30	9.80	1.38	0.60	0.2	2.07
07...	0920	90.0	--	7.7	7.2	66	8.7	30	9.89	1.39	0.64	0.2	2.07
MAY
16...	1140	0.10	162	8.5	7.3	59	12.9	28	8.84	1.32	0.69	0.2	2.03
16...	1150	120	--	8.3	7.0	58	5.1	29	9.22	1.37	0.74	0.2	2.15

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

Date	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, 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)
NOV
07...	32	0.33	<0.17	2.44	2.9	39	0.05	39	0.17	<0.015	E.015	<0.002	<0.007
07...	32	0.29	<0.17	2.49	2.9	39	0.05	37	0.16	<0.015	E.016	<0.002	<0.007
MAY
16...	30	0.75	<0.2	1.89	2.9	37	0.06	45	0.25	<0.015	<0.022	<0.002	<0.007
16...	30	0.80	<0.2	2.59	2.9	38	0.06	45	0.21	0.028	E.017	<0.002	<0.007

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

Date	Phos- phorus, water, fltrd, mg/L (00666)	Phos- phorus, water, unfltrd mg/L (00665)	Organic carbon, water, unfltrd mg/L (00680)	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)	Barium, water, fltrd, ug/L (01005)	Beryll- ium, water, fltrd, ug/L (01010)	Boron, water, fltrd, ug/L (01020)	Cadmium water, fltrd, ug/L (01025)	Chrom- ium, water, fltrd, ug/L (01030)	Cobalt water, fltrd, ug/L (01035)	Copper, water, fltrd, ug/L (01040)
NOV
07...	E.003	0.010	3.2	<1	1.6	<0.1	20.9	<0.5	<13	<0.2	<0.8	0.026	1.8
07...	0.004	0.007	2.8	--	--	--	21.4	<0.5	<13	<0.2	<0.8	0.029	2.1
MAY
16...	E.003	0.006	3.0	<1	E1.0	<0.1	15.2	<0.5	<13	<0.2	<0.8	0.026	1.8
16...	E.003	0.006	2.9	--	--	--	15.7	<0.5	<13	<0.2	<0.8	0.029	1.8

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

Date	Iron, water, fltrd, ug/L (01046)	Lead, water, fltrd, ug/L (01049)	Lithium water, fltrd, ug/L (01130)	Mangan- ese, water, fltrd, ug/L (01056)	Mangan- ese, water, unfltrd recover -able, ug/L (01055)	Molyb- denum, water, fltrd, ug/L (01060)	Nickel, water, fltrd, ug/L (01065)	Silver, water, fltrd, ug/L (01075)	Stront- ium, water, fltrd, ug/L (01080)	Vanad- ium, water, fltrd, ug/L (01085)	Zinc, water, fltrd, ug/L (01090)
NOV
07...	E8	<0.08	1.2	0.5	13.2	0.4	0.39	<0.3	41.3	0.4	1
07...	<10	<0.08	1.1	0.5	14.3	0.4	0.38	<0.3	41.3	0.4	1
MAY
16...	<10	<0.08	0.9	0.4	E4.4	0.4	0.47	<0.3	44.1	0.1	M
16...	<10	<0.08	0.9	0.5	E3.9	0.4	0.46	<0.3	45.1	0.1	M
< -- Actual value is known to be less than the value shown. E -- Estimated laboratory analysis value. M -- Presence of material verified but not quantified.