CHESTERFIELD COUNTY UTILITIES DEPARTMENT
ADDISON-EVANS WATER PRODUCTION AND LABORATORY FACILITY
RESULTS OF 2003 RESERVOIR SURVEY WATER QUALITY ANALYSES (January - December)
						DISSOLVED	DISSOLVED				SECCHI	FECAL				TOTAL KJELDAHL	OXIDIZED		TOTAL	ORTHOPHOSPHATE	TOTAL ORGANIC	TOTAL SUSPENDED
				DEPTH	TEMPERATURE	OXYGEN	OXYGEN		ORP	CONDUCTIVITY	DISK	COLIFORM	CHLOROPHYLL a	PHEOPHYTIN a	TOTAL NITROGEN*	NITROGEN	NITROGEN	AMMONIA	PHOSPHORUS	PHOSPHORUS	CARBON	SOLIDS	TURBIDITY
STATION	DATE	TIME	DEPTH TEXT	(Feet)	(Degrees Celsius)	% SATURATION	(mg/L)	pH	(Volts)	(micro-mhos/cm)	(Feet)	(Colonies/100ml)	(ppb)	(ppb)	(mg/L as N)	(mg/L as N)	(mg/L as N)	(mg/L as N)	(mg/L as P)	(mg/L as P)	(mg/L)	(mg/L)	(ntu)
1	01/06/03	12:20	Surface	0.5	4.8	83.4	10.70	5.68	0.500	39.7	3.0	<10	1.4	<0.1	0.68	0.60	0.08	< 0.03	0.032	<0.005	7.65	2.0	7.40
1	01/06/03	12:17	Mid-depth	1.0	4.9	83.4	10.80	5.71	0.521	39.7
1	01/06/03	12:14	Mid-depth	4.0	4.9	82.8	10.80	5.71	0.600	39.2
1	01/06/03	12:11	Bottom	7.0	4.8	82.8	10.50	5.65	0.547	38.9
2	01/06/03	11:55	Surface	0.5	6.5	79.3	9.75	5.61	0.635	38.6	2.5	20	1.6	<0.1	0.70	0.54	0.16	< 0.03	0.033	<0.005	8.69	5.4	10.5
2	01/06/03	12:00	Mid-depth	1.8	6.4	79.1	9.78	5.60	0.658	38.5
2	01/06/03	11:55	Bottom	4.9	6.4	85.0	10.50	5.99	0.692	38.7
3	01/07/03	13:10	Surface	0.5	4.5	88.9	11.50	6.09	0.633	42.7	1.5	10	0.3	<0.1	0.74	0.49	0.25	< 0.03	0.035	0.007	5.52	13.8	29.2
3	01/07/03	13:10	Bottom	2.7	4.4	87.6	11.40	6.03	0.603	42.9
4	01/06/03	12:40	Surface	0.5	6.7	91.3	11.10	6.01	0.451	44.7	3.0	30	2.8	<0.1	0.63	0.58	0.05	< 0.03	0.026	0.006	7.16	6.4	7.25
4	01/06/03	12:46	Mid-depth	1.3	6.6	91.5	11.20	6.02	0.449	44.5
4	01/06/03	12:43	Mid-depth	4.3	6.3	90.7	11.20	6.11	0.433	45.0
4	01/06/03	12:40	Bottom	7.3	6.1	91.2	11.30	6.19	0.392	45.8
5	01/06/03	12:55	Surface	0.5	6.4	96.9	12.00	6.43	0.471	50.5	3.5	74	9.9	<0.1	0.66	0.60	0.06	< 0.03	0.026	0.007	6.32	4.0	3.70
5	01/06/03	13:06	Mid-depth	1.4	6.4	96.7	11.90	6.43	0.467	50.4
5	01/06/03	13:04	Mid-depth	4.4	6.1	96.0	11.90	6.40	0.465	50.3
5	01/06/03	13:01	Mid-depth	7.4	6.0	95.8	11.90	6.41	0.461	50.5
5	01/06/03	12:58	Mid-depth	10.4	5.9	95.8	12.00	6.35	0.456	50.5
5	01/06/03	12:55	Bottom	13.4	5.9	96.4	12.10	6.27	0.445	50.7
6	01/06/03	13:10	Surface	0.5	6.4	96.7	11.90	6.50	0.481	52.4	3.5	74	2.0	<0.1	0.54	0.51	0.03	< 0.03	0.030	0.010	6.24	4.0	3.30
6	01/06/03	13:15	Mid-depth	3.0	6.3	96.5	11.90	6.44	0.481	51.5
6	01/06/03	13:14	Mid-depth	6.0	6.2	95.9	11.90	6.44	0.477	51.9
6	01/06/03	13:13	Mid-depth	9.0	6.0	96.0	11.90	6.40	0.476	51.4
6	01/06/03	13:12	Mid-depth	12.0	5.9	94.9	11.80	6.42	0.473	52.8
6	01/06/03	13:10	Bottom	15.0	5.9	95.8	12.00	6.29	0.467	52.8
7	01/06/03	13:24	Surface	0.5	6.4	97.1	12.00	6.48	0.474	56.6	3.0	20	11.7	<0.1	0.57	0.52	0.05	< 0.03	0.030	0.006	6.43	5.6	5.45
7	01/06/03	13:28	Mid-depth	2.5	6.4	96.2	11.80	6.47	0.471	56.1
7	01/06/03	13:26	Mid-depth	5.5	6.3	95.6	11.80	6.46	0.469	55.2
7	01/06/03	13:24	Bottom	8.5	6.2	95.2	11.80	6.35	0.466	54.2
8	01/06/03	13:35	Surface	0.6	6.4	95.6	11.80	6.44	0.463	51.4	3.5	74	7.9	0.1	0.51	0.47	0.04	< 0.03	0.032	0.006	6.62	3.4	2.95
8	01/06/03	13:45	Mid-depth	3.6	5.9	93.1	11.60	5.88	0.460	51.6
8	01/06/03	13:43	Mid-depth	6.6	5.9	93.0	11.60	5.86	0.456	51.3
8	01/06/03	13:41	Mid-depth	9.6	5.8	93.2	11.60	5.84	0.454	51.3
8	01/06/03	13:39	Mid-depth	12.6	5.8	93.2	11.60	5.84	0.451	51.0
8	01/06/03	13:37	Mid-depth	15.6	5.8	93.2	11.60	5.84	0.446	51.0
8	01/06/03	13:35	Bottom	18.6	5.8	93.6	11.70	5.84	0.439	51.0
5	01/21/03	11:45	Surface	0.5	2.7	96.7	13.10	6.28	0.516	42.8	4.3		11.1	<0.1	0.56	0.54	0.02	< 0.03	0.022	<0.005	6.94	3.6	3.66
5	01/21/03	11:42	Mid-depth	2.2	2.7	96.2	13.10	6.25	0.517	42.9
5	01/21/03	11:39	Mid-depth	5.2	2.8	96.1	13.10	6.23	0.516	42.8
5	01/21/03	11:36	Mid-depth	7.2	2.8	96.1	13.10	6.20	0.515	42.8
5	01/21/03	11:33	Mid-depth	10.2	2.8	96.1	13.10	6.10	0.514	42.8					0.52	0.50	0.02	< 0.03	0.026	<0.005
5	01/21/03	11:30	Bottom	13.2	3.1	97.0	13.20	5.65	0.514	42.7					0.52	0.52	<0.01	< 0.03	0.026	<0.005
8	01/21/03	12:21	Surface	0.5	3.3	94.2	12.60	6.35	0.521	43.5	3.8		13.8	0.1	0.48	0.46	0.02	< 0.03	0.024	<0.005	6.91	3.4	4.69
8	01/21/03	12:18	Mid-depth	1.5	3.3	94.0	12.60	6.35	0.521	43.7
8	01/21/03	12:15	Mid-depth	4.5	3.3	93.7	12.50	6.34	0.521	43.7
8	01/21/03	12:12	Mid-depth	7.5	3.4	93.6	12.50	6.32	0.522	43.4
8	01/21/03	12:09	Mid-depth	10.5	3.4	93.4	12.50	6.31	0.521	43.4					0.45	0.44	0.01	< 0.03	0.021	<0.005
8	01/21/03	12:06	Mid-depth	13.5	3.4	93.1	12.50	6.30	0.521	43.5
8	01/21/03	12:03	Mid-depth	16.5	3.4	93.0	12.40	6.30	0.521	43.4
8	01/21/03	12:00	Bottom	19.5	3.5	93.2	12.40	6.25	0.521	43.3					0.45	0.44	0.01	< 0.03	0.022	<0.005
4	02/05/03	13:24	Surface	1.1	4.4	90.1	11.70	6.35	0.420	43.3	4.0	19	7.1	0.1	0.45	0.45	<0.01	< 0.03	0.022	0.009	6.25	4.2	3.56
4	02/05/03	13:21	Mid-depth	2.0	4.4	90.1	11.70	6.35	0.412	43.1
4	02/05/03	13:18	Mid-depth	5.0	4.4	86.7	11.30	6.26	0.379	43.0
4	02/05/03	13:15	Bottom	8.0	4.7	81.3	10.60	5.60	0.484	42.3
5	02/05/03	13:50	Surface	1.1	4.2	92.4	12.00	6.52	0.419	43.2	4.5	26	8.1	0.1	0.52	0.52	<0.01	< 0.03	0.021	0.008	6.49	2.2	3.60
5	02/05/03	13:48	Mid-depth	3.4	4.2	91.8	12.00	6.48	0.415	43.4
5	02/05/03	13:46	Mid-depth	6.4	4.2	91.2	11.90	6.57	0.408	43.2
5	02/05/03	13:44	Mid-depth	9.4	4.2	90.6	11.80	6.47	0.400	43.1
5	02/05/03	13:42	Mid-depth	12.4	4.2	89.6	11.70	6.51	0.383	43.1
5	02/05/03	13:40	Bottom	15.4	4.2	89.1	11.60	6.39	0.410	43.2
6	02/05/03	14:10	Surface	1.0	4.5	93.0	12.00	6.60	0.370	45.5	4.8	17	9.3	0.1	0.50	0.50	<0.01	< 0.03	0.022	0.007	6.47	3.2	3.34
6	02/05/03	14:08	Mid-depth	3.0	4.4	92.8	12.00	6.61	0.363	45.0
6	02/05/03	14:06	Mid-depth	6.0	4.4	92.5	12.00	6.57	0.356	45.1
6	02/05/03	14:04	Mid-depth	9.0	4.4	92.1	12.00	6.65	0.349	45.0
6	02/05/03	14:02	Mid-depth	12.0	4.3	91.3	11.90	6.71	0.327	45.1
6	02/05/03	14:00	Bottom	15.0	4.3	87.2	11.40	6.62	0.272	50.2
7	02/05/03	14:48	Surface	1.0	5.1	95.4	12.20	6.68	0.358	47.6	4.5	6	10.2	0.1	0.53	0.53	<0.01	< 0.03	0.027	0.007	6.46	3.8	2.64
7	02/05/03	14:46	Mid-depth	3.5	5.1	94.7	12.10	6.70	0.346	47.6