WSSC Monitoring – Field Data

The Maryland state standards for Enterococci bacteria:

All Areas: 33
Frequent Full Body Contact Recreation: 61
Moderately Frequent Full Body Contact Recreation: 78
Occasional Frequent Full Body Contact Recreation: 107
Infrequent Full Body Contact Recreation: 151

All numbers are counts per 100 milliliters

December 15, 2016

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Bacteriodes (EPA) Human Bacteriodes (Dorei) Bird Fecal ID Dog Bacteriodes ID
1). Sligo Creek
(downstream)
419 Below limit of quantitation 2480 Below limit of quantitation Below limit of quantitation
2). Sligo Creek
(upstream)
282 Not Detected Below limit of quantitation Not Detected Not Detected

March 23, 2016

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
<10 Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR
2). Sligo Creek
(upstream)
16 2%
Human Bacteriodes HF183: (Negative)
33% 8 6%
27% 24%

September 15, 2015

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
283 3%
Human Bacteriodes HF183: Negative
35% 14% 3% 32% 13%
2). Sligo Creek
(upstream)
510
(440)
8%
(6%)
Human Bacteriodes HF183: Positive
(Positive)
35%
(33%)
12%
(12%)
6%
(9%)
29%
(27%)
10%
(13%)

March 19, 2015

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
45 12%
Human Bacteriodes HF183: Positive
28% 9% 14% 25% 12%
2). Sligo Creek
(upstream)
<10 Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR

September 17, 2014

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
71 0%
Human Bacteriodes HF183: Positive
36% 9% 6% 29% 20%
2). Sligo Creek
(upstream)
433 11%
Human Bacteriodes HF183: Positive
26% 5% 7% 25% 26%

April 2, 2014

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
71 21%
Human Bacteriodes HF183: Positive
25% 10% 11% 17% 16%
2). Sligo Creek
(upstream)
69 9%
Human Bacteriodes HF183: Positive
23% 11% 12% 24% 21%

September 18, 2013

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
85 6%
BOX-PCR negative for humans
27% 11% 5% 27% 24%
2). Sligo Creek
(upstream)
952 14%
BOX-PCR positive for humans
23% 10% 8% 22% 23%

March 28, 2013

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
31 Human Bacteriodes HF183: Positive
11%
31% 16% 9% 21% 12%
2). Sligo Creek
(upstream)
18 Human Bacteriodes HF183: Negative
3%
37% 13% 11% 23% 13%

October 18, 2012

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
273 17%
qPCR positve for humans
33% 9% 4% 20% 17%
2). Sligo Creek
(upstream)
162 6%
qPCR negative for humans
35% 11% 7% 25% 16%

April 4, 2012

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
102
(137)
28%
(25%)
qPCR positive for humans
30%
(32%)
11%
(8%)
9%
(7%)
15%
(12%)
7%
(16%)
2). Sligo Creek
(upstream)
83 0%
qPCR negative for humans
36% 14% 13% 25% 12%

November 2, 2011

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
70
Bacteriodes: Negative
0% 41% 13% 3% 27% 16%
2). Sligo Creek
(upstream)
125
Bacteriodes: Negative
0% 37% 14% 4% 33% 12%

June 4, 2011

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
370 9% 27% 12% 14% 23% 15%

March 29, 2011

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
825
Bacteriodes: Negative
7% 33% 9% 14% 19% 18%
2). Sligo Creek
(upstream)
38
Bacteriodes: Negative
0% 39% 11% 9% 21% 20%

November 10, 2010

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
39 0% 21% 10% 9% 28% 32%

October 12, 2010

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
213 15% 26% 14% 0% 20% 25%
2). Sligo Creek
(upstream)
323 11% 29% 13% 0% 18% 29%

June 28, 2010

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
2720 16% 24% 11% 15% 26% 8%

April 13, 2010

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
328[315] <10 Too few bacteria for non-human bacteria source determination
2). Sligo Creek
(upstream)
23 0% 36% 13% 4% 26% 21%

November 18, 2009

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
39 0% 37% 9% 14% 27% 13%

September 21, 2009

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
877 36% 21% 18% 0% 18% 7%
2). Sligo Creek
(upstream)
848
(636)
29%
(26%)
19%
(21%)
20%
(14%)
0%
(10%)
21%
(21%)
11%
(8%)

June 26, 2009

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
187
(193)
12%
(14%)
33%
(30%)
15
(16%)
7%
(8%)
29%
(30%)
4%
(2%)

March 24, 2009

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
23 3% 33% 21% 3% 28% 12%
2). Sligo Creek
(upstream)
78 4% 29% 15% 2% 34% 16%

November 11, 2008

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
57
(58)
7%
(8%)
33%
(31%)
10%
(12%)
9%
(8%)
28%
(29%)
13%
(12%)

September 17, 2008

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
483 31% 25% 10% 11% 17% 16%
2). Sligo Creek
(upstream)
308 22% 23% 11% 12% 19% 13%

July 9, 2008

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
50 0% 33% 12% 7% 34% 14%

March 26, 2008

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
90 0% 26% 19% 8% 29% 18%
2). Sligo Creek
(upstream)
<10 0% Too few bacteria for non-human bacteria source determination

January 9, 2008

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
328[315] 0% 28% 16% 8% 31% 17%

September 20, 2007

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
550 32% 23% 17% 13% 10% 5%
2). Sligo Creek
(upstream)
720 26% 25% 14% 19% 11% 5%

June 25, 2007

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
328[315] 635% 16% 23% 6% 27% 12%

March 28, 2007

Results sourced from the full WSSC Report

Stream Site Fecal Bacteria Results
Enterococcus CFU/100mL
Bacterial Source Testing
Human Avian Canine Deer Miscellaneous Wildlife Non-human Unknown
1). Sligo Creek
(downstream)
113
(106)
0% 21%
(23%)
24%
(26%)
7%
(8%)
31%
(30%)
17%
(13%)
2). Sligo Creek
(upstream)
179 0% 30% 6% 19% 33% 12%