WSSC Water Quality Monitoring
Here is the twenty-third round of results of WSSC's fecal bacteria monitoring tests which are required by the consent decree. Many sites had high Enterococci bacteria counts this time. These results are from this WSSC report.
September 18, 2013 |
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). Northeast
Branch (downstream) |
12 | 0% BOX-PCR negative for humans |
36% | 11% | 8% | 0% | 21% | 24% |
| 2). Northeast
Branch (upstream) |
20 | 0% BOX-PCR negative for humans |
39% | 12% | 13% | 0% | 20% | 16% |
| 3). Piscataway (upstream) |
37 | 0% BOX-PCR negative for humans |
32 | 16% | 10% | 0% | 24% | 18% |
| 4). Paint Branch (downstream) |
43 | 0% BOX-PCR negative for humans |
33% | 12% | 10% | 0% | 24% | 21% |
| 5). Northwest
Branch (downstream) |
45 | 0% BOX-PCR negative for humans |
34% | 8% | 12% | 0% | 24% | 22% |
| 6). Piscataway (downstream) |
48 | 0% BOX-PCR negative for humans |
30% | 14% | 12% | 0% | 23% | 21% |
| 7). Indian Creek (downstream) |
50 | 0% BOX-PCR negative for humans |
36% | 6% | 9% | 21% | 15% | 30% |
| 8). Broad Creek (downstream - Henson Creek) |
54 | 0% BOX-PCR negative for humans |
36% | 17% | 14% | 0% | 20% | 13% |
| 9). Sligo Creek (downstream) |
85 | 6% BOX-PCR negative for humans |
27% | 11% | 5% | 0% | 27% | 24% |
| 10). Little Falls (upstream) |
96 | 16% BOX-PCR positive for humans |
28% | 11% | 13% | 0% | 17% | 15% |
| 11). Rock Creek (upstream) |
98 | 9% BOX-PCR positive for humans |
27% | 17% | 12% | 0% | 19% | 16% |
| 12). Paint Branch (upstream) |
110 | 0% BOX-PCR negative for humans |
28% | 17% | 7% | 0% | 23% | 25% |
| 13). Lower
Anacostia (upstream) |
130 | 5% BOX-PCR negative for humans |
39% | 9% | 8% | 0% | 24% | 15% |
| 14). Seneca Creek (downstream) |
140 (168) | 4% (5%) BOX-PCR negative for humans |
28% (27%) | 10% (9%) | 9% (11%) | 0% (0%) | 24% (23%) | 25% (25%) |
| 15). Lower
Anacostia (downstream) |
142 (154) | 14% (14%) BOX-PCR positive for humans |
36% (35%) | 11% (12%) | 12% (13%) | 0% (0%) | 17% (16%) | 10% (10%) |
| 15). Muddy Branch (downstream) |
142 | 0% BOX-PCR negative for humans |
33% | 18% | 11% | 0% | 20% | 18% |
| 17). Watts Branch (upstream) |
157 | 6% BOX-PCR negative for humans |
29% | 13% | 10% | 0% | 25% | 17% |
| 18). Cabin John
Creek (upstream) |
160 | 12% BOX-PCR positive for humans |
34% | 7% | 14% | 0% | 19% | 14% |
| 19). Broad Creek (upstream - Henson Creek) |
162 | 0% BOX-PCR negative for humans |
35% | 13% | 13% | 0% | 24% | 15% |
| 20). Western Branch (upstream) |
165 | 13% BOX-PCR positive for humans |
27% | 12% | 11% | 0% | 18% | 19% |
| 21). Lower
Beaverdam Creek (downstream) |
190 | 14% BOX-PCR positive for humans |
30% | 16% | 9% | 0% | 21% | 10% |
| 21). Watts Branch (downstream) |
190 | 9% BOX-PCR positive for humans |
31% | 11% | 7% | 0% | 19% | 23% |
| 23). Indian Creek (upstream) |
192 | 0% BOX-PCR negative for humans |
32% | 11% | 10% | 17% | 16% | 14% |
| 24). Lower
Beaverdam Creek (upstream) | 215 | 18% BOX-PCR positive for humans |
29% | 17% | 10% | 0% | 14% | 12% |
| 25). Horsepen (upstream) |
225 | 9% BOX-PCR negative for humans |
25% | 11% | 9% | 13% | 19% | 14% |
| 26). Oxon Run (downstream) |
235 (231) | 7% (7%) BOX-PCR negative for humans |
31% (32%) | 14% (15%) | 9% (10%) | 0% (0%) | 23% (21%) | 16% (15%) |
| 27). Parkway (upstream - Walker Branch) |
260 | 11% BOX-PCR positive for humans |
33% | 12% | 11% | 0% | 18% | 15% |
| 28). Rock Creek (downstream) |
267 | 16% BOX-PCR positive for humans |
29% | 14% | 8% | 0% | 21% | 12% |
| 29). Northwest
Branch (upstream) |
295 (263) | 7% (8%) BOX-PCR negative for humans |
35% (33%) | 12% (13%) | 8% (8%) | 0% (0%) | 18% (19%) | 20% (19%) |
| 30). Muddy Branch (upstream) |
315 | 7% BOX-PCR negative for humans |
31% | 13% | 9% | 0% | 24% | 16% |
| 31). Cabin John
Creek (downstream) |
352 | 17% BOX-PCR positive for humans |
39% | 10% | 6% | 0% | 17% | 11% |
| 32). Parkway (downstream - Bear Branch) |
507 (522) | 16% (16%) BOX-PCR positive for humans |
26% (25%) | 10% (11%) | 9% (9%) | 0% (0%) | 25% (24%) | 14% (15%) |
| 33). Little Falls (downstream) |
540 | 26% BOX-PCR positive for humans |
26% | 9% | 11% | 0% | 15% | 13% |
| 34). Western Branch (downstream) |
640 | 32% BOX-PCR positive for humans |
21% | 9% | 10% | 0% | 11% | 17% |
| 35). Horsepen (downstream) |
650 | 24% BOX-PCR positive for humans |
21% | 9% | 5% | 18% | 13% | 10% |
| 36). Upper
Beaverdam Creek (downstream) |
702 | 18% BOX-PCR positive for humans |
27% | 12% | 7% | 0% | 20% | 16% |
| 37). Oxon Run (upstream-Watts Branch) |
817 | 28% BOX-PCR positive for humans |
27% | 5% | 6% | 0% | 21% | 13% |
| 38). Sligo Creek (upstream) |
952 | 14% BOX-PCR positive for humans |
23% | 10% | 8% | 0% | 22% | 23% |
| 39). Seneca Creek (upstream) | 960 | 23% BOX-PCR positive for humans |
25% | 9% | 10% | 0% | 15% | 18% |
| 40). Upper
Beaverdam Creek (upstream) |
1812 | 34% BOX-PCR positive for humans |
24% | 7% | 4% | 0% | 18% | 13% |
Numbers in parentheses() are results for field duplicate samples.