Water Data Quality, Kalamazoo Michigan County Government Website, Environmental Health Bureau

Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh

This report summarizes all water quality data collected in the Comstock Creek Sub-Watershed, which is part of the larger Kalamazoo River Watershed. (see map to the right)

Water sampling and measurements are conducted by Environmental Health Bureau staff.

Comstock Creek at Mouth (State of Michigan Basin ID #: 17 54)
	Comstock Creek
		COM-15	South side of East 'H' Avenue, West of Mclinden Trails	Comstock Charter Township (9)
		COM-25	South side of East Main Street, east of North 26th Street	Comstock Charter Township (17)
		COM-35	East side of Worden Avenue, downstream of Cooper Park & Ponds	Comstock Charter Township (17)

Sample	Sample	E. coli Bacteria	Water Temperature	Dissolved Oxygen		pH	Conductivity	TDS	Turbidity
*Site Code: COM-15, Comstock Creek*
Date	Time	(MPN)	(degrees F)	mg/L	% Saturation	(units)	(mS / cm)	(g / L)	(NTU)
05/12/2009	01:25	325.5	60.6	11.9	120.3%	8.57	0.495	0.3	2.2
03/11/2009	10:55	49.5	36.9	8.1	60.1%	8.27	0.471	0.3	1.4
11/03/2008	10:55	111.2	50.4	8.6	77.0%	8.24	0.438	0.3	1.2
08/13/2008	11:15	816.4	71.1	6.6	74.9%	8.00	0.398	0.3	3.5
06/19/2008	10:25	214.2	65.7	7.6	81.5%	7.95	0.424	0.3	3.7
05/21/2008	11:30	131.7	N/A	N/A	N/A	N/A	N/A	N/A	2.3
04/23/2008	13:15	67.7	69.5	10.4	116.3%	8.39	0.502	0.3	1.5
03/26/2008	10:50	26.9	38.9	12.6	95.6%	8.40	0.473	0.3	1.4
01/30/2008	14:55	4.1	32.2	14.0	96.0%	8.22	0.490	0.3	0.8
10/31/2007	10:15	110.6	51.6	11.1	100.1%	8.02	0.444	0.3	1.3
10/09/2007	10:55	435.2	64.5	7.6	80.5%	8.04	0.429	0.3	1.2
07/24/2007	12:30	116.2	76.8	7.1	85.4%	8.11	0.432	0.3	3.5
06/12/2007	13:15	146.7	81.5	8.8	111.9%	7.98	0.450	0.3	3.3
05/10/2007	12:30	68.3	72.2	8.4	97.0%	8.49	0.488	0.3	1.3
03/27/2007	12:50	8.4	57.2	9.4	91.8%	8.30	0.493	0.3	1.2
01/18/2007	13:10	14.5	35.6	13.7	99.3%	8.55	0.483	0.3	2.1
11/09/2006	11:40	25.6	47.9	10.7	92.6%	8.21	0.455	0.3	1.2
09/28/2006	12:35	185.0	58.9	8.9	88.5%	8.19	0.429	0.3	1.0
08/17/2006	13:30	111.2	77.8	7.4	90.6%	8.08	0.421	0.3	2.4
07/11/2006	11:45	290.9	75.6	6.6	78.8%	8.12	0.416	0.3	N/A
06/13/2006	12:55	117.8	74.7	7.7	91.0%	8.17	0.440	0.3	N/A
04/20/2006	08:10	378.4	55.0	8.2	79.9%	8.03	0.481	0.3	1.4
03/14/2006	14:30	42.8	42.5	7.3	54.2%	8.57	0.497	0.3	16.2
11/10/2005	10:00	93.3	47.9	9.1	80.3%	8.32	0.477	0.3	3.9
10/05/2005	12:00	272.3	69.3	6.9	78.9%	7.98	0.438	0.3	1.1
09/29/2005	11:00	517.2	60.0	7.6	77.8%	7.89	0.432	0.3	2.0
09/06/2005	13:55	172.3	75.0	7.2	87.0%	8.07	0.425	0.3	1.9
08/31/2005	13:20	198.9	67.8	5.2	56.9%	7.92	0.463	0.3	3.9
08/24/2005	13:30	78.0	73.8	6.8	82.2%	8.14	0.423	0.3	4.2
08/17/2005	13:15	72.7	78.6	6.4	80.6%	8.13	0.405	0.3	10.6
08/04/2005	13:25	201.4	81.2	5.5	70.7%	7.96	0.396	0.3	9.7
07/27/2005	13:45	167.0	78.6	6.3	80.1%	7.96	0.397	0.3	7.7
07/20/2005	13:20	193.5	80.6	5.5	71.2%	7.68	0.396	0.3	8.4
07/13/2005	14:00	248.9	84.3	5.7	75.9%	7.85	0.388	0.3	15.9
07/06/2005	12:00	387.3	74.1	5.4	65.2%	7.79	0.417	0.3	12.0
04/26/2005	14:15	26.9	54.9	10.6	102.9%	8.15	0.502	0.3	2.4
04/07/2005	13:40	23.1	N/A	N/A	N/A	N/A	N/A	N/A	N/A
03/17/2005	14:00	8.5	N/A	N/A	N/A	N/A	N/A	N/A	N/A
02/09/2005	13:20	8.6	36.1	11.4	84.7%	7.83	0.485	0.3	6.6
11/03/2004	15:25	151.5	51.8	9.6	88.4%	7.89	0.458	0.3	2.5
09/29/2004	11:10	272.3	60.9	7.2	74.5%	7.80	0.392	0.3	2.2
09/02/2004	12:35	127.4	74.4	5.8	68.2%	7.82	0.407	0.3	1.6
07/23/2004	13:30	727.0	75.4	7.6	92.4%	7.90	0.394	0.3	6.9
06/18/2004	09:30	313.0	76.3	8.5	104.9%	8.06	0.519	0.3	0.3
05/26/2004	14:10	191.8	66.1	8.1	90.3%	8.03	0.402	0.3	2.3
04/23/2004	12:40	19.9	56.0	9.5	93.3%	8.29	0.435	0.3	4.6
03/31/2004	11:24	18.3	52.4	10.6	99.5%	8.37	0.440	0.3	15.3
03/04/2004	14:00	52.0	38.0	11.6	89.9%	8.22	0.400	0.3	4.5
02/06/2004	10:00	58.3	32.1	15.8	111.7%	8.10	0.451	0.3	10.6
01/15/2004	10:00	1.0	31.7	11.9	82.7%	8.17	0.451	0.3	4.7
12/04/2003	14:50	8.6	N/A	N/A	N/A	N/A	N/A	N/A	N/A
11/07/2003	11:48	58.8	43.4	10.9	90.0%	8.83	0.410	0.3	4.6
09/12/2003	14:02	261.3	70.7	8.4	99.4%	8.42	0.401	0.3	23.6
07/09/2003	13:25	686.7	78.8	6.4	81.6%	8.15	0.374	0.2	15.7
06/25/2003	11:38	365.4	77.2	6.4	78.9%	7.96	0.399	0.3	4.4
06/11/2003	13:07	260.2	73.4	7.8	94.0%	8.02	0.420	0.3	2.8
05/28/2003	11:37	70.0	63.5	8.6	91.8%	8.04	0.437	0.3	2.3
05/13/2003	13:35	96.0	57.3	9.3	93.1%	8.10	0.436	0.3	12.3
05/05/2003	14:02	435.2	62.5	9.1	96.6%	8.09	0.448	0.3	2.4
05/05/2003	14:02	228.2	62.5	9.1	96.6%	8.09	0.448	0.3	2.4
04/22/2003	14:16	22.3	55.3	11.1	108.2%	8.18	0.493	0.3	3.7
04/08/2003	13:59	9.8	37.9	11.6	89.9%	8.25	0.497	0.3	4.4
03/24/2003	14:20	22.3	50.0	11.2	102.9%	8.50	0.469	0.3	N/A
03/10/2003	14:49	4.1	37.8	12.2	93.2%	8.66	0.496	0.3	N/A
02/24/2003	14:38	1.0	39.0	12.9	101.7%	9.06	0.453	0.3	N/A
02/10/2003	13:27	15.8	35.4	13.7	102.9%	9.09	0.485	0.3	N/A
01/27/2003	13:50	3.1	32.6	10.5	88.5%	8.25	0.468	0.3	N/A
01/13/2003	13:19	10.8	35.5	11.9	104.2%	8.32	0.462	0.3	N/A
12/26/2002	14:12	18.9	37.0	12.8	97.0%	9.37	0.470	0.3	N/A
12/09/2002	14:07	7.4	33.6	14.3	101.8%	8.31	0.464	0.3	N/A
11/21/2002	15:00	22.8	42.7	10.0	82.8%	8.11	0.443	0.3	N/A
10/24/2002	14:13	65.7	48.0	9.6	84.4%	8.22	0.432	0.3	N/A
10/10/2002	14:23	146.7	62.0	7.8	82.9%	8.05	0.415	0.3	N/A
09/26/2002	14:16	155.3	67.7	7.2	80.6%	7.96	0.403	0.3	N/A
09/12/2002	08:35	488.4	N/A	N/A	N/A	N/A	N/A	N/A	N/A
08/30/2002	10:50	235.9	72.9	5.9	69.6%	7.77	0.387	0.3	N/A
08/16/2002	10:49	571.2	75.7	4.6	56.5%	7.69	0.407	0.3	N/A
08/02/2002	10:50	2,419.2	75.3	4.6	55.8%	7.61	0.367	0.2	N/A
07/25/2002	14:30	248.1	77.0	7.2	86.1%	7.94	0.396	0.3	N/A
06/28/2002	13:55	201.4	81.0	N/A	N/A	N/A	N/A	N/A	N/A
06/14/2002	10:38	209.8	68.0	N/A	N/A	N/A	N/A	N/A	N/A
Summary Statistics	Count	81	76	74	74	74	74	74	57
	Average	194.5	59.6	9.0	87.4%	8.17	0.441	0.3	4.9
	Minumum	1.0	31.7	4.6	54.2%	7.61	0.367	0.2	0.3
	Maximum	2,419.2	84.3	15.8	120.3%	9.37	0.519	0.3	23.6

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for COM-15 (Comstock Creek) between June 2002 and May 2009. This site is located in Section Number 9 of Comstock Charter Township, South side of East 'H' Avenue, West of Mclinden Trails.

		14 out of 81 water sample results exceeded 300 bacteria colonies per 100 ml of water.
		24 out of 81 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.
		43 out of 81 water sample results were less than 130 bacteria colonies per 100 ml of water.

Sample	Sample	E. coli Bacteria	Water Temperature	Dissolved Oxygen		pH	Conductivity	TDS	Turbidity
*Site Code: COM-25, Comstock Creek*
Date	Time	(MPN)	(degrees F)	mg/L	% Saturation	(units)	(mS / cm)	(g / L)	(NTU)
05/12/2009	13:05	21.3	61.6	11.7	119.8%	8.58	0.473	0.3	3.3
03/11/2009	10:30	33.6	37.0	8.4	62.4%	8.44	0.424	0.3	2.6
11/03/2008	10:35	21.3	49.3	9.7	85.1%	8.20	0.448	0.3	5.2
08/13/2008	10:50	261.3	68.4	6.7	73.6%	7.95	0.432	0.3	3.5
06/19/2008	10:05	145.0	65.0	7.4	78.7%	7.81	0.448	0.3	3.1
05/21/2008	11:20	75.4	N/A	N/A	N/A	N/A	N/A	N/A	1.8
04/23/2008	13:00	40.8	70.6	9.0	102.1%	8.20	0.495	0.3	2.2
03/26/2008	10:38	12.2	38.5	12.5	94.2%	8.00	0.431	0.3	4.1
01/30/2008	14:40	8.6	32.8	13.4	93.0%	8.07	0.480	0.3	1.5
10/31/2007	09:45	57.3	49.6	11.3	99.5%	7.92	0.452	0.3	2.0
10/09/2007	10:20	547.5	63.9	7.5	74.2%	7.91	0.448	2.9	2.1
07/24/2007	13:10	325.5	74.6	6.1	72.8%	8.02	0.477	0.3	3.5
06/12/2007	13:35	275.5	79.8	8.9	111.1%	7.90	0.477	0.3	3.1
05/10/2007	13:00	72.3	73.8	8.1	94.7%	8.40	0.495	0.3	2.3
03/27/2007	13:15	24.3	64.2	8.5	90.2%	8.29	0.461	0.3	3.0
01/18/2007	13:28	1.0	36.6	13.2	96.6%	8.39	0.479	0.3	2.4
11/09/2006	11:30	13.5	48.3	10.5	91.1%	8.04	0.457	0.3	1.2
09/28/2006	12:50	129.1	59.4	8.7	86.3%	8.05	0.441	0.3	1.4
08/17/2006	13:50	272.3	76.2	6.8	82.1%	7.89	0.459	0.3	3.6
07/11/2006	12:05	325.5	75.0	6.2	73.2%	7.89	0.443	0.3	N/A
06/13/2006	13:30	79.5	74.2	7.3	85.2%	8.06	0.450	0.3	N/A
04/20/2006	07:45	38.4	55.1	7.9	77.5%	7.91	0.494	0.3	2.9
03/14/2006	14:15	35.5	44.1	7.1	59.7%	8.44	0.458	0.3	11.3
11/10/2005	10:20	59.4	47.1	9.6	85.5%	8.18	0.481	0.3	4.6
10/05/2005	11:45	436.0	69.3	7.0	80.0%	7.93	0.450	0.3	4.7
09/29/2005	11:20	666.7	59.5	7.9	80.1%	7.85	0.452	0.3	5.6
09/06/2005	13:30	648.8	73.2	6.8	80.8%	7.90	0.451	0.3	8.1
08/31/2005	13:35	235.9	73.0	5.0	58.6%	7.97	0.462	0.3	5.7
08/24/2005	13:45	172.3	74.2	6.3	75.8%	7.97	0.449	0.3	4.4
08/17/2005	13:30	410.6	78.3	5.7	71.5%	7.91	0.445	0.3	6.0
08/04/2005	13:38	686.7	80.4	5.4	69.4%	7.86	0.431	0.3	12.0
07/27/2005	13:30	191.8	77.6	5.7	71.3%	7.81	0.428	0.3	10.4
07/20/2005	13:05	307.6	81.0	5.5	71.1%	7.70	0.416	0.3	7.0
07/13/2005	13:40	387.3	82.4	5.6	74.1%	7.78	0.422	0.3	13.5
07/06/2005	11:40	150.0	74.0	5.8	69.8%	7.75	0.431	0.3	8.7
04/26/2005	13:55	38.8	56.0	10.1	98.7%	8.07	0.495	0.3	3.2
04/07/2005	13:20	18.7	N/A	N/A	N/A	N/A	N/A	N/A	N/A
03/17/2005	13:30	8.5	N/A	N/A	N/A	N/A	N/A	N/A	N/A
02/09/2005	13:05	20.1	36.4	11.0	82.2%	7.62	0.486	0.3	7.0
11/03/2004	15:15	290.9	53.0	9.5	89.1%	7.82	0.450	0.3	3.9
09/29/2004	10:55	214.3	59.6	7.9	79.8%	7.70	0.409	0.3	6.0
Summary Statistics	Count	41	38	38	38	38	38	38	37
	Average	189.3	62.4	8.2	82.7%	8.00	0.455	0.4	4.8
	Minumum	1.0	32.8	5.0	58.6%	7.62	0.409	0.3	1.2
	Maximum	686.7	82.4	13.4	119.8%	8.58	0.495	2.9	13.5

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for COM-25 (Comstock Creek) between September 2004 and May 2009. This site is located in Section Number 17 of Comstock Charter Township, South side of East Main Street, east of North 26th Street.

		10 out of 41 water sample results exceeded 300 bacteria colonies per 100 ml of water.
		10 out of 41 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.
		21 out of 41 water sample results were less than 130 bacteria colonies per 100 ml of water.

Sample	Sample	E. coli Bacteria	Water Temperature	Dissolved Oxygen		pH	Conductivity	TDS	Turbidity
*Site Code: COM-35, Comstock Creek*
Date	Time	(MPN)	(degrees F)	mg/L	% Saturation	(units)	(mS / cm)	(g / L)	(NTU)
05/12/2009	12:45	193.5	54.0	12.9	120.3%	8.62	0.542	0.4	N/A
03/11/2009	10:15	35.5	37.4	9.9	73.4%	8.27	0.417	0.3	3.4
11/03/2008	10:15	68.9	48.6	10.2	88.8%	8.37	0.463	0.3	3.7
08/13/2008	10:35	461.1	67.9	8.0	88.3%	8.24	0.461	0.3	2.8
06/19/2008	09:50	204.6	63.1	9.7	100.9%	8.00	0.467	0.3	3.3
05/21/2008	11:10	228.2	N/A	N/A	N/A	N/A	N/A	N/A	3.6
04/23/2008	12:48	72.7	65.2	9.1	96.9%	8.24	0.515	0.3	2.4
03/26/2008	10:22	35.5	38.6	13.6	103.1%	8.12	0.461	0.3	2.6
01/30/2008	14:25	21.3	32.4	15.1	104.0%	8.08	0.500	0.3	1.3
10/31/2007	09:15	365.4	49.7	12.4	109.2%	8.07	0.476	0.3	2.6
10/09/2007	09:50	2,419.6	66.9	8.0	87.0%	7.99	0.467	0.3	2.2
07/24/2007	13:30	235.9	72.9	7.9	91.1%	8.16	0.496	0.3	4.1
06/12/2007	14:00	344.8	75.7	10.3	122.5%	8.13	0.498	0.3	4.0
05/10/2007	13:20	66.3	69.3	8.4	93.4%	8.42	0.512	0.3	2.2
03/27/2007	13:35	40.8	61.0	8.4	85.5%	8.33	0.481	0.3	2.8
01/18/2007	13:50	24.1	34.6	14.0	99.4%	8.39	0.501	0.3	1.8
11/09/2006	11:10	193.5	46.2	11.6	98.0%	8.19	0.480	0.3	1.4
09/28/2006	13:00	410.6	57.6	9.8	95.5%	8.15	0.466	0.3	2.1
08/17/2006	13:58	290.9	70.4	8.7	98.0%	8.18	0.479	0.3	5.2
07/11/2006	12:35	461.1	73.3	7.7	89.6%	8.09	0.469	0.3	N/A
06/13/2006	13:45	365.4	69.8	7.8	87.3%	8.10	0.492	0.3	N/A
04/20/2006	07:38	218.7	57.0	9.4	92.7%	7.96	0.511	0.3	4.6
03/14/2006	13:55	32.7	42.6	7.2	60.0%	8.47	0.467	0.3	9.5
11/10/2005	10:38	360.9	47.7	10.1	89.5%	8.27	0.502	0.3	5.7
10/05/2005	11:30	1,553.1	67.2	8.0	89.5%	8.03	0.473	0.3	4.3
09/29/2005	11:45	1,553.1	59.1	8.5	86.8%	7.97	0.452	0.3	5.1
09/06/2005	13:15	1,299.7	68.8	8.1	91.6%	8.04	0.480	0.3	11.2
08/31/2005	13:50	770.1	70.4	5.8	65.1%	8.06	0.487	0.3	4.8
08/24/2005	14:00	648.8	68.6	7.6	86.6%	8.17	0.477	0.3	5.0
08/17/2005	13:45	325.5	73.4	7.1	84.9%	8.10	0.470	0.3	5.7
08/04/2005	14:00	920.8	78.1	6.9	86.4%	8.03	0.456	0.3	5.5
07/27/2005	13:20	648.8	75.1	7.2	87.3%	7.96	0.440	0.3	7.3
07/20/2005	12:50	275.5	74.9	7.1	86.1%	7.85	0.433	0.3	7.1
07/13/2005	13:30	866.4	79.3	6.9	87.8%	7.95	0.437	0.3	5.2
07/06/2005	11:30	259.5	73.2	7.3	86.9%	7.84	0.456	0.3	8.2
06/22/2005	14:00	190.4	75.3	7.5	91.5%	7.93	0.473	0.3	5.1
06/08/2005	10:30	2,419.6	72.6	7.6	89.9%	7.77	0.409	0.3	12.7
04/26/2005	14:31	117.8	52.7	10.3	96.9%	8.22	0.511	0.3	4.6
04/07/2005	13:00	68.3	N/A	N/A	N/A	N/A	N/A	N/A	N/A
03/17/2005	13:08	45.7	N/A	N/A	N/A	N/A	N/A	N/A	N/A
02/09/2005	12:50	106.7	34.3	12.2	88.6%	7.76	0.532	0.3	11.6
11/03/2004	15:00	770.1	49.3	11.8	105.3%	7.89	0.465	0.3	3.6
09/29/2004	10:40	517.2	57.9	9.1	91.0%	7.86	0.433	0.3	2.9
09/02/2004	11:00	461.1	67.4	6.4	70.0%	7.75	0.447	0.3	2.0
07/23/2004	11:27	161.6	79.5	6.4	81.6%	7.98	0.361	0.2	13.0
06/18/2004	09:00	203.5	73.3	7.6	90.8%	7.87	0.382	0.2	10.8
05/26/2004	13:32	73.8	63.1	8.7	94.2%	7.98	0.416	0.3	9.8
04/23/2004	12:05	42.2	54.1	9.7	93.2%	8.38	0.451	0.3	7.0
03/31/2004	11:00	8.6	50.6	9.6	87.9%	8.24	0.449	0.3	3.2
03/04/2004	12:25	43.5	37.1	11.0	84.0%	8.01	0.367	0.2	7.9
02/06/2004	09:30	21.3	32.0	15.8	112.0%	7.76	0.476	0.3	4.7
01/15/2004	09:30	18.9	32.1	12.4	87.0%	7.95	0.486	0.3	57.2
12/04/2003	14:29	93.3	N/A	N/A	N/A	N/A	N/A	N/A	N/A
11/07/2003	10:50	109.5	41.4	11.4	91.9%	8.85	0.425	0.3	4.2
09/12/2003	14:20	579.4	71.8	8.4	98.6%	8.60	0.389	0.3	24.9
07/09/2003	13:11	178.9	76.5	7.5	93.0%	8.15	0.409	0.3	10.4
06/25/2003	11:50	261.3	74.3	8.9	107.0%	8.20	0.415	0.3	5.3
06/11/2003	12:54	143.0	69.5	9.0	104.2%	8.22	0.434	0.3	5.5
05/28/2003	11:23	98.5	59.9	9.5	97.4%	8.18	0.460	0.3	10.1
05/13/2003	13:23	95.9	62.2	9.4	99.0%	8.12	0.470	0.3	1.8
05/05/2003	13:47	579.4	57.7	9.2	92.5%	7.93	0.452	0.3	11.3
04/22/2003	14:05	34.5	51.7	10.4	97.0%	8.07	0.482	0.3	13.3
04/08/2003	13:47	25.9	36.9	12.1	91.7%	8.18	0.487	0.3	7.9
03/24/2003	14:08	8.4	44.8	11.4	97.7%	8.34	0.469	0.3	N/A
03/10/2003	14:37	22.8	32.1	11.7	82.1%	8.40	0.593	0.4	N/A
02/24/2003	14:26	38.8	33.0	14.6	105.3%	8.68	0.526	0.3	N/A
02/10/2003	13:10	9.6	31.8	14.7	104.1%	8.70	0.533	0.3	N/A
01/27/2003	13:36	12.0	37.7	12.1	100.6%	8.30	0.505	0.3	N/A
01/13/2003	13:07	21.6	32.0	13.0	108.0%	8.17	0.491	0.3	N/A
12/26/2002	13:58	47.4	34.0	14.3	103.4%	9.31	0.489	0.3	N/A
12/09/2002	13:54	23.1	32.5	N/A	N/A	8.07	0.512	0.3	N/A
11/21/2002	14:46	88.6	42.5	10.8	88.8%	7.91	0.475	0.3	N/A
10/24/2002	13:58	517.2	44.8	10.6	89.3%	8.15	0.464	0.3	N/A
10/10/2002	14:07	223.5	56.3	9.6	94.3%	8.04	0.454	0.3	N/A
09/26/2002	14:00	235.9	60.8	9.0	93.5%	7.94	0.454	0.3	N/A
09/12/2002	08:20	272.3	N/A	N/A	N/A	N/A	N/A	N/A	N/A
09/12/2002	08:20	456.9	N/A	N/A	N/A	N/A	N/A	N/A	N/A
08/30/2002	10:36	920.8	70.1	8.3	95.5%	8.00	0.440	0.3	N/A
08/16/2002	10:30	686.7	73.6	7.7	92.4%	8.00	0.450	0.3	N/A
08/02/2002	10:30	2,419.2	73.7	7.7	91.9%	7.89	0.400	0.3	N/A
07/25/2002	14:10	218.7	72.2	8.4	96.1%	7.99	0.461	0.3	N/A
06/28/2002	13:43	178.2	76.0	N/A	N/A	N/A	N/A	N/A	N/A
06/14/2002	10:30	261.3	65.0	N/A	N/A	N/A	N/A	N/A	N/A
Summary Statistics	Count	83	77	74	74	75	75	75	57
	Average	366.3	57.6	9.7	93.1%	8.14	0.466	0.3	6.9
	Minumum	8.4	31.8	5.8	60.0%	7.75	0.361	0.2	1.3
	Maximum	2,419.6	79.5	15.8	122.5%	9.31	0.593	0.4	57.2

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for COM-35 (Comstock Creek) between June 2002 and May 2009. This site is located in Section Number 17 of Comstock Charter Township, East side of Worden Avenue, downstream of Cooper Park & Ponds.

		28 out of 83 water sample results exceeded 300 bacteria colonies per 100 ml of water.
		21 out of 83 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.
		34 out of 83 water sample results were less than 130 bacteria colonies per 100 ml of water.