WSSC Water Quality Monitoring
Here are the third round of results of WSSC's fecal bacteria monitoring tests which are required by the consent decree. The two Sligo Creek sites had low Enterococci bacteria counts this time. These results are from this WSSC report.
April 13, 2010 |
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). Muddy Branch (upstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Piscataway (downstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Rock Creek (downstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Rock Creek (upstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Seneca Creek (downstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Seneca Creek (upstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Sligo Creek (downstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 1). Watts Branch (upstream) | <10 | Too few bacteria for bacteria source determination | ||||||
| 9). Cabin John Creek (upstream) | 13 | 0% | 39% | 4% | 13% | 26% | 18% | |
| 9). Indian Creek (downstream) | 13 (12) | 0% (0%) | 32% (37%) | 8% (8%) | 13% (10%) | 15% (10%) | 19% (23%) | 13% (12%) |
| 11). Oxon Run (downstream) | 15 | 0% | 39% | 13% | 7% | 24% | 17% | |
| 11). Upper Beaverdam Creek (upstream) | 15 | 0% | 26% | 12% | 12% | 27% | 23% | |
| 13). Piscataway (upstream) | 18 | 0% | 36% | 8% | 17% | 24% | 15% | |
| 14). Cabin John Creek (downstream) | 20 | 0% | 37% | 3% | 14% | 21% | 25% | |
| 14). Muddy Branch (downstream) | 20 | 0% | 41% | 7% | 6% | 25% | 21% | |
| 14). Northeast Branch (downstream) | 20 | 0% | 32% | 13% | 12% | 28% | 15% | |
| 14). Paint Branch (downstream) | 20 | 0% | 35% | 12% | 13% | 4% | 23% | 13% |
| 18). Sligo Creek (upstream) | 23 | 0% | 36% | 13% | 4% | 26% | 21% | |
| 19). Indian Creek (upstream) | 25 | 0% | 36% | 6% | 10% | 12% | 21% | 15% |
| 19). Lower Anacostia (upstream) | 25 | 0% | 40% | 11% | 11% | 25% | 13% | |
| 19). Northwest Branch (downstream) | 25 | 0% | 36% | 9% | 18% | 25% | 12% | |
| 19). Western Branch (upstream) | 25 | 0% | 38% | 10% | 11% | 25% | 16% | |
| 23). Upper Beaverdam Creek (downstream) | 28 | 0% | 30% | 15% | 14% | 21% | 20% | |
| 24). Northeast Branch (upstream) | 30 | 0% | 30% | 11% | 16% | 30% | 13% | |
| 24). Northwest Branch (upstream) | 30 | 0% | 41% | 4% | 13% | 26% | 16% | |
| 24). Parkway (upstream - Walker Branch) | 30 | 0% | 44% | 10% | 10% | 24% | 12% | |
| 27). Lower Anacostia (downstream) | 33 | 0% | 43% | 9% | 13% | 26% | 9% | |
| 27). Parkway (downstream - Bear Branch) | 33 | 0% | 42% | 9% | 8% | 25% | 16% | |
| 29). Little Falls (downstream) | 35 | 0% | 33% | 13% | 14% | 23% | 17% | |
| 30). Little Falls (upstream) | 38 | 0% | 35% | 12% | 11% | 29% | 13% | |
| 31). Paint Branch (upstream) | 40 | 0% | 32% | 12% | 14% | 0% | 28% | 14% |
| 32). Lower Beaverdam Creek (downstream) | 43 | 3% | 31% | 13% | 9% | 25% | 19% | |
| 33). Horsepen (upstream) | 45 | 5% | 28% | 4% | 14% | 16% | 17% | 16% |
| 33). Oxon Run (upstream-Watts Branch) | 45 | 0% | 41% | 11% | 9% | 26% | 13% | |
| 35). Lower Beaverdam Creek (upstream) | 48 | 2% | 31% | 15% | 7% | 27% | 18% | |
| 36). Broad Creek (upstream - Henson Creek) | 63 | 7% | 35% | 12% | 11% | 20% | 15% | |
| 36). Western Branch (downstream) | 63 | 3% | 41% | 7% | 8% | 23% | 18% | |
| 38). Watts Branch (downstream) | 95 | 4% | 35% | 5% | 14% | 24% | 18% | |
| 39). Horsepen (downstream) | 295 | 18% | 26% | 6% | 12% | 14% | 14% | 10% |
| 40). Broad Creek (downstream - Henson Creek) | 725 | 16% | 33% | 8% | 9% | 21% | 13% | |