WSSC Water Quality Monitoring
Here is the twenty-seventh 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 15th, 2015 |
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). Broad Creek (downstream - Henson Creek) |
<10 (<10) | Human Bacteriodes HF183: Too few bacteria for HF183;
BOX-PCR Source Determination: Too few bacteria for BOX-PCR | ||||||
| 2). Northeast Branch (downstream) |
23 | 2% Human Bacteriodes HF183: Negative |
31% | 11% | 2% | 0% | 41% | 13% |
| 3). Northwest Branch (downstream) |
38 | 0% Human Bacteriodes HF183: Negative |
35% | 6% | 9% | 0% | 23% | 27% |
| 4). Indian Creek (downstream) |
63 | 0% Human Bacteriodes HF183: Negative |
28% | 8% | 9% | 11% | 21% | 23% |
| 5). Lower Anacostia (downstream) |
105 (85) | 6% (7%) Human Bacteriodes HF183: Positive (Positive) |
36% (35%) | 12% (11%) | 4% (4%) | 0% (0%) | 22% (23%) | 20% (20%) |
| 6). Horsepen (upstream) |
125 | 4% Human Bacteriodes HF183: Positive |
28% | 9% | 7% | 13% | 24% | 15% |
| 7). Lower Anacostia (upstream) |
138 | 5% Human Bacteriodes HF183: Positive |
39% | 13% | 2% | 0% | 24% | 17% |
| 8). Lower Beaverdam Creek (downstream) |
140 | 9% Human Bacteriodes HF183: Negative |
24% | 9% | 11% | 0% | 29% | 18% |
| 9). Seneca Creek (downstream) |
170 | 10% Human Bacteriodes HF183: Positive |
32% | 5% | 16% | 2% | 22% | 13% |
| 10). Cabin John Creek (upstream) |
183 | 7% Human Bacteriodes HF183: Negative |
31% | 6% | 7% | 0% | 33% | 16% |
| 11). Paint Branch (downstream) |
188 | 0% Human Bacteriodes HF183: Negative |
33% | 15% | 5% | 0% | 25% | 22% |
| 12). Watts Branch (downstream) |
193 (200) | 3% (4%) Human Bacteriodes HF183: Negative (Negative) |
28 (29%) | 5% (6%) | 9% (10%) | 0% (0%) | 30% (33%) | 25% (18%) |
| 13). Northeast Branch (upstream) |
195 | 2% Human Bacteriodes HF183: Negative |
31% | 10% | 1% | 0% | 43% | 13% |
| 14). Muddy Branch (upstream) |
215 | 6% Human Bacteriodes HF183: Negative |
35% | 11% | 10% | 0% | 23% | 15% |
| 15). Indian Creek (upstream) |
218 | 0% Human Bacteriodes HF183: Negative |
29% | 7% | 8% | 15% | 19% | 22% |
| 15). Piscataway (downstream) |
215 | 2% Human Bacteriodes HF183: Negative |
32% | 7% | 15% | 0% | 34% | 10% |
| 17). Broad Creek (upstream - Henson Creek) |
230 | 14% Human Bacteriodes HF183: Positive |
30% | 10% | 7% | 0% | 20% | 19% |
| 18). Cabin John Creek (downstream) |
240 | 17% Human Bacteriodes HF183: Positive |
29% | 8% | 11% | 0% | 24% | 11% |
| 18). Watts Branch (upstream) |
240 | 4% Human Bacteriodes HF183: Negative |
33% | 7% | 9% | 0% | 28% | 19% |
| 18). Western Branch (upstream) |
240 (230) | 4% (5%) Human Bacteriodes HF183: Negative (Negative) |
32 (32%) | 9% (8%) | 13% (12%) | 0% (0%) | 31% (28%) | 11% (15%) |
| 21). Paint Branch (upstream) |
248 | 0% Human Bacteriodes HF183: Negative |
27% | 8% | 10% | 0% | 32% | 23% |
| 22). Rock Creek (downstream) |
255 | 9% Human Bacteriodes HF183: Negative |
34% | 11% | 5% | 0% | 26% | 15% |
| 23). Upper Beaverdam Creek (downstream) |
268 | 8% Human Bacteriodes HF183: Negative |
29% | 8% | 14% | 1% | 27% | 13% |
| 24). Muddy Branch (downstream) |
278 | 3% Human Bacteriodes HF183: Negative |
37% | 14 | 15% | 0% | 21% | 10% |
| 25). Sligo Creek (downstream) |
283 | 3% Human Bacteriodes HF183: Negative |
35% | 14% | 3% | 0% | 32% | 13% |
| 26). Lower Beaverdam Creek (upstream) | 285 | 16% Human Bacteriodes HF183: Positive |
23% | 3% | 13% | 0% | 22% | 23% |
| 27). Upper Beaverdam Creek (upstream) |
315 | 2% Human Bacteriodes HF183: Negative |
28% | 3% | 17% | 0% | 35% | 15% |
| 28). Watts Branch (downstream) |
338 | 6% Human Bacteriodes HF183: Negative |
22% | 12% | 12% | 0% | 33% | 15% |
| 29). Horsepen (downstream) |
408 | 18% Human Bacteriodes HF183: Positive |
24% | 6% | 6% | 8% | 16% | 22% |
| 30). Oxon Run (downstream) |
475 | 11% Human Bacteriodes HF183: Negative |
31% | 10% | 7% | 0% | 20% | 21% |
| 31). Piscataway (upstream) |
483 | 1% Human Bacteriodes HF183: Negative |
33% | 9% | 8% | 0% | 37% | 12% |
| 32). Sligo Creek (upstream) |
510 (440) | 8% (6%) Human Bacteriodes HF183: Positive (Positive) |
35% (33%) | 12% (12%) | 6% (9%) | 0% (0%) | 29% (27%) | 10% (13%) |
| 33). Parkway (upstream - Walker Branch) |
523 (470) | 2% (4%) Human Bacteriodes HF183: Negative (Negative) |
32 (34%) | 8% (10%) | 6% (7%) | 0% (0%) | 34% (31%) | 18% (14%) |
| 34). Little Falls (upstream) |
558 | 14% Human Bacteriodes HF183: Positive |
30% | 13% | 12% | 0% | 14% | 17% |
| 35). Dry Seneca Creek (upstream) | 648 | 9% Human Bacteriodes HF183: Negative |
28% | 4% | 18% | 0% | 29% | 12% |
| 36). Parkway (downstream - Bear Branch) |
650 | 7% Human Bacteriodes HF183: Positive |
25% | 12% | 2% | 0% | 27% | 27% |
| 37). Little Falls (downstream) |
810 | 18% Human Bacteriodes HF183: Positive |
34% | 11% | 13% | 0% | 6% | 18% |
| 38). Oxon Run (upstream-Watts Branch) |
825 | 21% Human Bacteriodes HF183: Positive |
23% | 7% | 6% | 0% | 19% | 24% |
| 39). Rock Creek (upstream) |
1003 | 8% Human Bacteriodes HF183: Positive |
41% | 7% | 15% | 0% | 21% | 8% |
| 40). Northwest Branch (upstream) |
1013 | 15% Human Bacteriodes HF183: Positive |
29% | 8% | 12% | 0% | 18% | 18% |
Numbers in parentheses() are results for field duplicate samples.