WSSC Water Quality Monitoring
Here is the twenty-fifth round of results of WSSC's fecal bacteria monitoring tests which are required by the consent decree. These results are from this WSSC report.
September 17, 2014 |
The Maryland state standards for Enterococci bacteria:
|
| Stream Site | Fecal Bacteria Results Enterococcus CFU/100mL | Bacterial Source Testing | ||||||
|---|---|---|---|---|---|---|---|---|
| Human | Avian | Canine | Deer | Horse | Miscellaneous Wildlife | Non-human Unknown | ||
| 1). Cabin John Creek (upstream) |
<10 | Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR | ||||||
| 1). Indian Creek (upstream) |
<10 | Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR | ||||||
| 1). Lower Anacostia (upstream) |
<10 | Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR | ||||||
| 1). Lower Beaverdam Creek (downstream) |
<10 | Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR | ||||||
| 5). Broad Creek (upstream - Henson Creek) |
25 (24) | 0% (0%) Human Bacteriodes HF183: Negative (Negative) |
38% (39%) | 12% (12%) | 12% (14%) | 0% (0%) | 28% (27%) | 10% (8%) |
| 6). Indian Creek (downstream) |
28 | 0% Human Bacteriodes HF183: Negative |
35% | 5% | 6% | 24% | 17% | 13% |
| 7). Muddy Branch (downstream) |
32 | 0% Human Bacteriodes HF183: Negative |
41% | 15% | 11% | 0% | 24% | 9% |
| 8). Parkway (upstream - Walker Branch) |
43 | 0% Human Bacteriodes HF183: Negative |
33% | 13% | 6% | 0% | 25% | 23% |
| 9). Little Falls (upstream) |
56 | 8% Human Bacteriodes HF183: Positive |
37% | 8% | 15% | 0% | 21% | 11% |
| 10). Northwest Branch (downstream) |
62 | 0% Human Bacteriodes HF183: Negative |
39% | 7% | 6% | 0% | 24% | 24% |
| 10). Western Branch (upstream) |
62 | 0% Human Bacteriodes HF183: Negative |
33% | 6% | 12% | 0% | 28% | 21% |
| 12). Sligo Creek (downstream) |
71 | 0% Human Bacteriodes HF183: Positive |
36% | 9% | 6% | 0% | 29% | 20% |
| 13). Horsepen (upstream) |
75 | 2% Human Bacteriodes HF183: Positive |
36% | 9% | 8% | 19% | 16% | 10% |
| 14). Lower Anacostia (downstream) |
78 | 6% Human Bacteriodes HF183: Positive |
40% | 12% | 10% | 0% | 20% | 12% |
| 15). Upper Beaverdam Creek (upstream) |
81 | 7% Human Bacteriodes HF183: Positive |
34% | 15% | 7% | 0% | 27% | 10% |
| 16). Watts Branch (upstream) |
91 | 0% Human Bacteriodes HF183: Negative |
28% | 11% | 9% | 0% | 26% | 26% |
| 17). Cabin John Creek (downstream) |
93 | 9% Human Bacteriodes HF183: Positive |
44% | 7% | 3% | 0% | 20% | 17% |
| 18). Western Branch (downstream) |
105 | 4% Human Bacteriodes HF183: Negative |
26% | 11% | 7% | 0% | 27% | 25% |
| 19). Parkway (downstream - Bear Branch) |
110 (117) | 5% (6%) Human Bacteriodes HF183: Negative (Negative) |
29% (30%) | 9% (8%) | 7% (7%) | 0% (0%) | 28% (29%) | 22% (20%) |
| 19). Rock Creek (downstream) |
110 | 8% Human Bacteriodes HF183: Negative |
31% | 12% | 7% | 0% | 24% | 18% |
| 21). Muddy Branch (upstream) |
127 | 8% Human Bacteriodes HF183: Negative |
38% | 12% | 12% | 0% | 18% | 12% |
| 22). Watts Branch (downstream) |
137 | 5% Human Bacteriodes HF183: Negative |
41% | 9% | 8% | 0% | 21% | 16% |
| 23). Broad Creek (downstream - Henson Creek) |
142 | 1% Human Bacteriodes HF183: Negative |
40% | 20% | 12% | 0% | 18% | 9% |
| 24). Little Falls (downstream) |
173 | 19% Human Bacteriodes HF183: Positive |
32% | 9% | 12% | 0% | 19% | 9% |
| 25). Oxon Run (downstream) |
176 | 6% Human Bacteriodes HF183: Negative |
33% | 11% | 10% | 0% | 21% | 19% |
| 26). Horsepen (downstream) |
181 | 10% Human Bacteriodes HF183: Positive |
32% | 10% | 6% | 20% | 12% | 10% |
| 27). Northeast Branch (upstream) |
184 | 6% Human Bacteriodes HF183: Negative |
36% | 9% | 12% | 0% | 25% | 12% |
| 28). Paint Branch (downstream) |
208 | 0% Human Bacteriodes HF183: Negative |
29% | 13% | 8% | 0% | 27% | 23% |
| 29). Northwest Branch (upstream) |
212 (220) | 9% (9%) Human Bacteriodes HF183: Negative (Negative) |
40% (41%) | 9% (9%) | 2% (3%) | 0% (0%) | 17% (16%) | 23% (22%) |
| 30). Northeast Branch (downstream) |
215 | 8% Human Bacteriodes HF183: Positive |
35% | 10% | 9% | 0% | 22% | 16% |
| 31). Paint Branch (upstream) |
231 | 0% Human Bacteriodes HF183: Negative |
30% | 15% | 6% | 0% | 28% | 21% |
| 32). Rock Creek (upstream) |
255 | 14% Human Bacteriodes HF183: Positive |
25% | 14% | 13% | 0% | 21% | 13% |
| 33). Upper Beaverdam Creek (downstream) |
277 | 7% Human Bacteriodes HF183: Positive |
38% | 10% | 8% | 0% | 23% | 14% |
| 34). Piscataway (downstream) |
294 | 0% Human Bacteriodes HF183: Negative |
34% | 12% | 14% | 0% | 20% | 20% |
| 35). Upper Beaverdam Creek (upstream) |
338 | 9% Human Bacteriodes HF183: Positive |
36% | 0% | 6% | 0% | 27% | 22% |
| 36). Sligo Creek (upstream) |
433 | 11% Human Bacteriodes HF183: Positive |
26% | 5% | 7% | 0% | 25% | 26% |
| 37). Seneca Creek (upstream) | 441 | 13% Human Bacteriodes HF183: Positive |
39% | 8% | 4% | 0% | 14% | 22% |
| 38). Piscataway (upstream) |
483 | 0% Human Bacteriodes HF183: Negative |
29% | 14% | 9% | 0% | 26% | 22% |
| 39). Seneca Creek (downstream) |
672 (661) | 19% (19%) Human Bacteriodes HF183: Positive (Positive) |
33% (25%) | 7% (6%) | 3% (3%) | 0% (0%) | 22% (25%) | 16% (22%) |
| 40). Oxon Run (upstream-Watts Branch) |
782 (763) | 25% (24%) Human Bacteriodes HF183: Positive (Positive) |
28% (28%) | 3% (4%) | 8% (8%) | 0% (0%) | 24% (25%) | 12% (11%) |
Numbers in parentheses() are results for field duplicate samples.