Water Quality Sampling Report for 2008

The water testing protocol for the 2008 season employs the same updated protocol which was adopted in 2006. The main change in 2006 was the addition of two extra test samples per testing date. The purpose of these additional samples is to provide comparatives for evaluating sampling and testing procedures to ensure continuity of results. One of the new additional samples is a duplicate sample from an existing site being tested. The site chosen for the duplicate sample will change from one test date to the next. Using the example of the 6-17-05 testing date, Site 5 (Kineras Bay South end) was chosen as the duplicate. The second additional sample in the new protocol is a blank control sample taken from water that is known to be sterile, preferably from the process used to sterilize the water testing sample collection containers themselves.

Date	Site1	Site 3	Site 4	Site 5	Site 6	Site 7	Site 8	Site 12	Site 13	Site 14	Duplicates		Blank
6-1-08	TC 156	TC 46	TC 11	TC 13	TC 8	TC 16	TC 5	TC 28	TC 98	TC 52	Site 6	TC 13	TC <3
	EC 16	EC 3	EC <3	EC <3	EC <3	EC <3	EC <3	EC 5	EC 25	EC 11		EC <3	EC <3
6-15-08	TC 161	TC 22	TC 55	TC 30	TC 30	TC 25	TC 13	TC 33	TC 323	TC 55	Site 10	TC 16	TC <3
	EC 19	EC <3	EC <3	EC 3	EC 3	EC 3	EC <3	EC 5	EC 25	EC 22		EC 3	EC <3
7-6-08	TC 146	TC 55	TC 39	TC 5	TC 13	TC 22	TC 28	TC 46	TC 62	TC 362	Site 5	TC 13	TC <3
	EC 16	EC 3	EC 3	EC <3	EC <3	EC <3	EC <3	EC 3	EC 8	EC 5		EC <3	EC <3
8-10-08	TC 434	TC 79	TC 350	TC 119	TC 94	TC 94	TC 72	TC 52	TC 289	TC 22	Site 8	TC 76	TC <3
	EC 72	EC 13	EC 22	EC 33	EC 11	EC 3	EC 5	EC 3	EC <3	EC 3		EC 30	EC 3
9-06-08	TC >434	TC 90	TC 110	TC 5	TC 28	TC 39	TC 79	TC 127	TC 136	TC 177	Site 14	TC 226	TC <3
	EC 13	EC 3	EC <3	EC <3	EC 3	EC 8	EC 11	EC 19	EC 8	EC 3		EC 5	EC <3
9-28-08	TC 794	TC 52	TC 13	TC 5	TC 19	TC 13	TC 52	TC 33	TC 98	TC 39	Site 3	TC 36	TC <3
	EC 146	EC <3	EC <3	EC <3	EC <3	EC 3	EC 5	EC <3	EC 16	EC 8		EC 3	EC <3

Spot water samples are also taken occasionally at site locations not regularly tested. The following table shows the locations, dates, and results of these spot sample tests.

6/01/08 Spot A Swing Bridge (East Side) TC 39 EC 8

6/17/08 Spot A Swing Bridge (East Side) TC 76 EC 33

7/6/08 Spot A Swing Bridge (East Side) TC 79 EC 25

8/10/08 Spot A Swing Bridge (East Side) TC 289 EC 55

The TC numbers indicate the most probable number of colony forming units of coliforms per 100 ml sample.

Coliform bacteria are introduced for the most part by warm blooded mammals. A moderate amount of total coliforms is considered a normal background level.

The EC numbers indicate the most probable number of colony forming units of E. Coli per 100 ml sample.

In this area E. coli is introduced almost entirely by human activity. Its presence usually indicates the presence of other serious pathogens.

 

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