Water Quality Sampling Report for 2006

The water testing protocol for the 2006 season was changed slightly by 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 6-17-06 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
6-17-06	TC 587	TC 938	TC 19	TC <3	TC 19	TC 25	TC 16	TC 16	TC 171	TC 375	Site 5	TC 8	TC <3
	EC 69	EC 8	EC 5	EC <3	EC 5	EC 19	EC <3	EC 8	EC 30	EC 28		EC <3	EC <3
7-3-06	TC 289	TC 39	TC 22	TC 19	TC <3	TC 11	TC 8	TC 30	TC 171	TC 72	Site 3	TC 30	TC <3
	EC 94	EC <3	EC <3	EC <3	EC <3	EC <3	EC <3	EC <3	EC 22	EC 3		EC <3	EC <3
7-31-06	TC 350	TC 194	TC 55	TC 46	TC 43	TC 79	TC 22	TC 94	TC 255	TC 247	Site 13	TC 200	TC <3
	EC 52	EC 3	EC 5	EC <3	EC 3	EC 3	EC <3	EC 8	EC 8	EC 3		EC <3	EC <3
8-7-06	TC 263	TC 587	TC 98	TC 43	TC 94	TC 83	TC 52	TC 171	TC 1174	TC 289	Site 4	TC 76	TC <3
	EC 19	EC 3	EC 5	EC <3	EC 3	EC 3	EC <3	EC 11	EC 19	EC 11		EC 5	EC <3
8-21-06	TC 339	TC 132	TC 49	TC 36	TC 110	TC 43	TC 59	TC 94	TC 188	TC 171	Site 6	TC 90	TC <3
	EC 25	EC 13	EC <3	EC <3	EC <3	EC <3	EC <3	EC <3	EC 5	EC 11		EC <3	EC <3
9-4-06	TC 559	TC 36	TC 25	TC 36	TC 87	TC 55	TC 25	TC 33	TC 59	TC 28	Site 14	TC 22	TC <3
	EC 94	EC <3	EC 3	EC <3	EC 3	EC <3	EC 3	EC 22	EC 3	EC 3		EC <3	EC <3
9-17-06	TC 1370	TC 72	TC 8	TC 510	TC 28	TC 16	TC 151	TC 16	TC 76	TC >2424	Site 7	TC 11	TC <3
	EC 94	EC 8	EC <3	EC 3	EC 8	EC 5	EC 5	EC <3	EC 16	EC 177		EC <3	EC <3
10-8-06	TC 59	TC 8	TC 11	TC 8	TC 5	TC 11	TC 16	TC 5	TC 19	TC 11	Site 8	TC 16	TC <3
	EC 8	EC <3	EC 8	EC <3	EC <3	EC <3	EC <3	EC <3	EC <3	EC <3		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.

7/3/06 Spot A Spot B Swing Bridge (East Side) Sound Boat Works (East Side) TC 123 TC 65 EC 5 EC 3	7/31/06 Spot A Spot C Swing Bridge (East Side) Devil's Elbow Picnic Site TC 219 TC 94 EC 69 EC <3	8/7/06 Spot A Spot D Swing Bridge (East Side) Summerhill Island (North Side) TC 177 TC 49 EC 3 EC <3	8/21/06 Spot A Spot E Swing Bridge (East Side) Five Mile Bay Mine (West end) TC 79 TC 188 EC 3 EC <3
9/4/06 Spot A Spot F Swing Bridge (East Side) Two Mile Narrows (West end) TC 46 TC 49 EC 5 EC 5	9/17/06 Spot A Spot G Swing Bridge (East Side) Seven Mile Bay (South end) TC 25 TC 13 EC 5 EC 3	10/8/06 Spot A Spot B Swing Bridge (East Side) Sound Boat Works (East Side) TC 8 TC 30 EC 3 EC <3

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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