URI Watershed Watch uses the USEPA approved membrane filtration method with mTEC media for analyzing fecal coliform and E. coli bacteria rather than the Rhode Island Department of Health approved MPN (Most Probable Number) procedure. Watershed Watch data is intended for screening purposes only, but is very valuable for targeting areas of concerns and for tracking potential sources of bacterial contamination.

Rhode Island fresh water standards for recreational contact:
Fecal coliform not to exceed 200 fecal coliform / 100 mL.

USEPA fresh water standards for recreational contact:
Recommends the use of E. coli, not to exceed 126 E. coli / 100 mL.


2002

LAKE AND RESERVOIR BACTERIA DATA

 

 

 

 

 

 

   

MAY
MAY
JUNE
JUNE
JULY
JULY
OCT
OCT

**

= URIWW Watershed Code
Fecal

Fecal

Fecal

Fecal

coliform

E. coli

coliform

E. coli

coliform

E. coli

coliform

E. coli

** LAKE, POND OR RESERVOIR

 

---
COUNT
PER
100
mL
---
 

CA

ALMY POND (NEWPORT)

38
34
8
8
10
10

-

-

WD

ALTON POND

28
28
-
-
21
21
141
141

WD

BARBER POND

6
6
-
-
1
1
20
20

A

BELLEVILLE POND - LOWER

2
2
-
-
4
4
2
2

A

BELLEVILLE POND - UPPER

<1
<1
-
-
-
-
-
-

P

BLACKAMORE POND

26
24
-
-
4
4
-
-

WD

BOONE LAKE

<1
<1
-
-
-
-
-
-

TH

BOWDISH RESERVOIR

3
3
-
-
2
2
5
5

WD

BREAKHEART POND

-
-
2
2
<1
<1
8
8

TH

CARBUNCLE POND

<1
<1
- -
<1
<1
-
-

PE

CARR POND (NK)

-
-
-
-
284
280
1
1

PA

CARR POND (WG)

<1
<1
-
-
<1
<1
<1
<1

WD

CHAPMAN POND

8
8
-
-
12
12
140
140

PA

COOMBER'S RESERVOIR

1
1
-
-
2
2
11
11

CW

DEEP POND

2
2
-
-
-
-
-
-

NA

ECHO LAKE (BARRINGTON)

<2
<2
-
-
17
17
34
34

PA

FENNER POND

-
-
-
-
-
-
-
-

PA

FLAT RIVER RESERVOIR

2
2
-
-
6
6
7
7

WO

GEORGIAVILLE POND

27
21
-
-
<2
<2
20
20

WO

HAWKINS POND

8
8
-
-
5
5
9
9

WD

HUNDRED ACRE POND

12
12
-
-
2
2
35
35

S

INDIAN LAKE

<1
<1
-
-
2
2
4
4

PA

JILLSON RESERVOIR
(ALMY RESERVOIR - JOHNSTON)

74
72
-
-
79
77
78
78

B

KEECH POND

1
1
-
-
5
5
1
1

TH

LAKE WASHINGTON

<2
<2
-
-
3
3
3
3

TH

LAKE WILLIAM (CT)

-
-
12
12
10
10
4
4

NA

LITTLE POND

2
2
-
-
18
14
49
47

WD

LOCUSTVILLE POND

-
-
-
-
9
9
9
9

WD

LONG POND (HOPKINTON)

<1
<1
-
-
1
1
3
3

S

LONG POND (SOUTH KINGSTOWN)

<1
<1
-
-
<1
<1
6
6

WO

LOWER SPRAGUE RESERVOIR

4
4
-
-
14
14
111
110

PA

MASHAPAUG POND

6
6
-
-
20
20
42
35

WD

MEADOWBROOK POND

21
20
-
-
31
31
83
82

NA

MELVILLE POND - UPPER

10
10
-
-
2
2
30
30

PA

MISHNOCK LAKE

<1
<1
-
-
-
-
-
-

SK

NANAQUAKET POND

<2
<2
-
-
6
6
4
4

PA

OAK SWAMP RESERVOIR

12
12
-
-
<1
<1
11
11

B

PASCOAG RESERVOIR

8
8
-
-
2
2
5
5

WD

PASQUISETT POND

2
2
-
-
40
37
12
12

NA

PRINCE'S POND

6
6
-
-
<2
<2
134
106

WD

QUEEN @ USEQUEPAUGH
(GLEN ROCK RESERVOIR)

50
48
-
-
101
100
99
98

PA

RANDALL POND

<2
<2
-
-
2
2
50
40

PA

ROGER WILLIAMS PARK POND

350
350
-
-
760
760
985
950

PA

SAND POND

4
4
-
-
14
12
8
8

S

SAUGATUCKET POND

68
68
-
-
-
-
100
82

CW

SCHOOLHOUSE POND - LOWER

<1
<1
-
-
-
-
-
-

CW

SCHOOLHOUSE POND - UPPER

<1
<1
-
-
-
-
1
1

A

SECRET LAKE

2
2
-
-
20
18
56
52

S

SILVER LAKE

<1
<1
-
-
<1
<1
7
7

PE

SILVER SPRING LAKE

8
8
-
-
4
4
15
15

WO

SLACK'S RESERVOIR

18
18
19
19
108
107
32
32

TE

SLATER POND

48
48
-
-
110
110
100
100

B

SLATERSVILLE RESERVOIR - UPPER

15
15
-
-
<2
<2
2
2

B

SMITH AND SAYLES RESERVOIR

<1
<1
-
-
2
2
2
2

WD

SPALDING POND (CT)

48
48
-
-
2
2
32
31

PA

SPECTACLE POND

40
40
-
-
20
16
18
17

B

SPRING GROVE POND

<2
<2
-
-
6
6
4
4

B

SPRING LAKE

1
1
-
-
2
2
1
1

TA

STAFFORD POND

1
1
-
-
2
2
2
2

WO

STILLWATER POND

-
-
-
-
1
1
> 200
> 200

PA

TARBOX POND

<2
<2
-
-
4
4
20
20

B

TARKLIN POND

26
26
-
-
-
-
-
-

PA

TIOGUE LAKE

-
-
-
-
5
5
48
46

WD

TUCKER POND

<1
<1
-
-
<1
<1
4
4

TE

TURNER RESERVOIR
(CENTRAL POND)

-
-
-
-
-
-
-
-

TE

TURNER RESERVOIR (LOWER)

10
10
-
-
3
3
10
10

B

VALLEY FALLS POND

120
100
-
-
23
23
102
88

B

WALLUM LAKE

<1
<1
-
-
4
4
<1
<1

NA

WARWICK POND

10
10
-
-
3
3
32
31

WD

WATCHAUG POND

<1
<1
-
-
<1
<1
8
8

WO

WATERMAN LAKE

5
5
-
-
4
4
6
6

M

WENSCOTT RESERVOIR

2
2
-
-
3
3
15
15

NA

WESQUAGE POND

14
14
-
-
-
-
126
126

S

WHITE POND

<1
<1
-
-
-
-
<1
<1

B

WILSON RESERVOIR

6
6
-
-
2
2
<1
<1

WO

WOONASQUATUCKET RESERVOIR (STUMP POND)

6
6
-
-
<1
<1
7
7

WD

WYASSUP LAKE (CT)

2
2
-
-
4
4
3
3

WD

WYOMING POND

-
-
-
-
-
-
-
-

WD

YAWGOO POND

9
9
1
1
4
4
17
17

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