WSSC Water Quality Monitoring
Here are the seventh round of results of WSSC's fecal bacteria monitoring tests which are required by the consent decree. The two Sligo Creek sites had the 6th and 14th most Enterococci bacteria of the 40 tested sites. These results are from this WSSC report.
September 17, 2008 |
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). Northwest Branch (downstream) | 28 | 0% | 38% | 6% | 7% | 29% | 20% | |
| 2). Lower Anacostia (downstream) | 43 | 5% | 33% | 9% | 14 | 28% | 11% | |
| 2). Muddy Branch (upstream) | 43 | 0% | 32% | 15% | 35% | 18% | ||
| 4). Horsepen Branch (upstream) | 45 | 0% | 31% | 5% | 15% | 17% | 19% | 13% |
| 5). Cabin John Creek (upstream) | 58 (55) | 4% (5%) | 35% (32%) | 5% (8%) | 17% (15%) | 24% (25%) |
15% (15%) | |
| 6). Paint Branch (downstream) | 75 | 0% | 31% | 10% | 12% | 31% | 16% | |
| 7). Indian Creek (downstream) | 88 | 5% | 31% | 9% | 7% | 12% | 21% | 15% |
| 8). Rock Creek (upstream) | 98 (90) | 6% (5%) | 34% (35%) | 3% (2%) | 11% (13%) | 28% (29%) |
18% (16%) | |
| 9). Lower Beaverdam Creek (downstream) | 118 | 16% | 29% | 7% | 13% | 23% | 12% | |
| 10). Paint Branch (upstream) | 145 | 0% | 30% | 11% | 14% | 34% | 11% | |
| 11). Piscataway (upstream) | 170 | 12% | 33% | 4% | 10% | 28% | 13% | |
| 12). Seneca Creek (upstream) | 173 | 14% | 29% | 8% | 11% | 24% | 14% | |
| 13). Western Branch (downstream) | 175 | 33% | 27% | 8% | 10% | 18% | 4% | |
| 14). Broad Creek (upstream-Henson Creek) | 188 | 4% | 36% | 14% | 11% | 19% | 16% | |
| 14). Western Branch (upstream) | 188 | 28% | 24% | 6% | 9% | 23% | 10% | |
| 16). Broad Creek (downstream-Henson Creek) | 203 | 8% | 37% | 10% | 9% | 22% | 14% | |
| 16). Cabin John Creek (downstream) | 203 | 17% | 30% | 3% | 10% | 22% | 18% | |
| 18). Parkway (downstream-Bear Branch) | 225 | 6% | 30% | 13% | 15% | 23% | 13% | |
| 19). Lower Anacostia (upstream) | 230 | 17% | 36% | 7% | 4% | 23% | 13% | |
| 20). Upper Beaverdam Creek (upstream) | 238 | 14% | 33% | 6% | 8% | 24% | 15% | |
| 21). Seneca Creek (downstream) | 245 | 27% | 27% | 12% | 10% | 18% | 6% | |
| 22). Watts Branch (downstream) | 260 | 26% | 29% | 7% | 11% | 21% | 6% | |
| 23). Northeast Branch (upstream) | 270 | 12% | 37% | 8% | 14% | 21% | 8% | |
| 24). Northeast Branch (downstream) | 278 | 10% | 32% | 10% | 6% | 29% | 13% | |
| 25). Parkway (upstream-Walker Branch) | 290 | 9% | 27% | 11% | 16% | 21% | 16% | |
| 26). Lower Beaverdam (upstream) | 305 (340) | 36% (33%) | 23% (25%) | 4% (2%) | 11% (9%) | 15% (18%) |
11% (13%) | |
| 27). Sligo Creek (upstream) | 308 | 22% | 23% | 11% | 12% | 19% | 13% | |
| 28). Muddy Branch (downstream) | 338 | 0% | 36% | 4% | 13% | 31% | 16% | |
| 29). Piscataway (downstream) | 355 | 23% | 27% | 7% | 12% | 20% | 11% | |
| 30). Watts Branch (upstream) | 375 | 13% | 30% | 5% | 12% | 25% | 15% | |
| 31). Horsepen Branch (downstream) | 425 | 11% | 27% | 6% | 8% | 15% | 22% | 11% |
| 32). Rock Creek (downstream) | 443 | 22% | 29% | 7% | 14% | 19% | 9% | |
| 33). Oxon Run (downstream) | 453 (460) | 9% (7%) | 30% (31%) | 10% (11%) | 12% (10%) | 28% (27%) |
11% (14%) | |
| 34). Northwest Branch (upstream) | 463 | 15% | 28% | 15% | 8% | 22% | 12% | |
| 35). Sligo Creek (downstream) | 483 | 31% | 25% | 10% | 11% | 17% | 6% | |
| 36). Upper Beaverdam Creek (downstream) | 495 (530) | 19% (22%) | 27% (26%) | 9% (7%) | 13% (10%) | 21% (23%) |
11% (12%) | |
| 37). Little Falls (upstream) | 573 | 16% | 26% | 7% | 11% | 27% | 13% | |
| 38). Oxon Run (upstream-Watts Branch) | 665 | 33% | 24% | 9% | 7% | 21% | 6% | |
| 39). Little Falls (downstream) | 725 | 25% | 27% | 9% | 13% | 17% | 9% | |
| 40). Indian Creek (upstream) | 1185 | 19% | 29% | 6% | 6% | 4% | 23% | 13% |