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| Sample Taken | Frequency of Samples | Enterococci Count | EPA Acceptable Level | |
|---|---|---|---|---|
| 5.10.2010 | monthly | 1 | 158 | |
| * | 6.7.2010 | monthly | 8 | 158 |
| 7.6.2010 | monthly | 5 | 158 | |
| 8.2.2010 | monthly | 36 | 158 | |
| 8.30.2010 | monthly | 12 | 158 | |
* These samples were collected after rainfall which may account for high counts.
** This location is being resampled to verify and assess the high bacteria counts. An advisory may be issued when results do not meet acceptable levels for two consecutive collections.
** Venice on the Bay in Pasadena Reopened
** Dividing Creek in Arnold Reopened
** Advisory for Rockwood Beach in Pasadena
*** REOPENED, see Cypress Creek in Severna Park
The acceptable level for swimming and other direct water contact is determined by the EPA, Maryland Department of the Environment and the Anne Arundel County Department of Health. For bodies of water that the Department samples weekly, the acceptable level of enterococci bacteria is a geometric mean of 35 or fewer bacteria colonies per 100 milliliters of water. (The geometric mean for a body of water is a type of average of all test results for that water area during the swim season.) For areas that are sampled biweekly, the acceptable level is 104 or fewer bacteria colonies per 100 milliliters of water. For areas that are sampled monthly, the acceptable level is 158 or fewer colonies per 100 milliliters.
The Department also operates a 24 hour automated test results phone line at 410-222-7999. For information on the sampling program, call the Recreational Water Quality Monitoring Program at 410-222-7241.
Anne Arundel County Department of Health, 3 Harry S. Truman Parkway, Annapolis, Maryland 21401, 410-222-7095