TABLE 4.

Concentrations of bacteria in sediment samples

Sample site and no.	Concn (CFU/g of wet sediment) or presence of bacteria
	Fecal Streptococcus	Total coliform	E. coli	Fecal coliform	Enterococcus	Pseudomonas aeruginosa	Staphylococcus aureus
Nairn
1	100	8,450	Present	1,200	150	150	<50
2	150	10,550	Present	1,750	50	50	<50
3	1,100	Confluent	Present	12,100	150	<50	<50
4	100	8,850	Present	350	50	<50	<50
5	350	Confluent	Present	1,250	50	<50	<50
Mean	360			3,330	90
Saybrook Place
6	450	Confluent	Present	1,150	100	<50	<50
7	100	Confluent	Present	950	100	<50	<50
Mean	275			1,050	100
Jackson Street
11	680	Confluent	Present	760	540	60	<20
12	400	Confluent	Present	660	40	<20	<20
13	360	Confluent	Present	1,400	80	<20	<20
14	180	Confluent	Present	660	<20	80	<50
15	500	Confluent	Present	1,000	<20	<20	<20
16	<20	Confluent	Present	80	<20	<20	<20
Meana	355			760	115
Basking Ridge
8	480	Confluent	Present	2,600	160	<20	<20
9	1,000	Confluent	Present	420	40	<20	<20
10	280	Confluent	Present	300	60	<20	<20
Mean	587			1,107	87

^aValue of one-half the limit of detection used for fecal Streptococcus and Enterococcus results, reported as <20.