Ohio Water Microbiology Lab
Research Topics
Internal Information
Ohio Water Science Center
USGS In Your State
USGS Water Science Centers are located in each state.
|
OWML: QA/QC
Quality Assurance/Quality Control Manual: Ohio Water Microbiology
Laboratory
Table 5. Methods for
fecal-indicator bacteria used by the Ohio Water Microbiology Laboratory (OWML)
[DW is drinking water, RW is recreational water]
|
BACTERIA |
METHOD |
TYPE OF METHOD |
REFERENCE |
|
Total coliforms |
mENDO method |
Compliance—DW
Official—other waters |
Britton and Greeson (1989)
APHA (1998) Section 9222B |
|
MI method |
Compliance—DW
Official—other waters |
USEPA (2000a and 2002)
(Appendix
C) |
|
Colilert method |
Compliance—DW
Official—other waters |
Idexx Corp., Westbrook, ME
APHA (1998) Section 9223
(Appendix
D,
E) |
|
Fecal coliforms |
mFC method |
Compliance—DW
Official—other waters |
Britton and Greeson (1987)
APHA (1998) Section 9222D |
|
Escherichia coli |
Modified mTEC |
Compliance—RW, DW Official—other waters |
USEPA (2000b and 2006c)
(Appendix
G) |
|
MI method |
Compliance—DW
Official—other waters |
USEPA (2000a and 2002) |
|
Colilert method |
Compliance—DW, RW
Official—other waters |
Idexx Corp., Westbrook, ME
APHA (1998) Section 9223 |
|
mTEC method
(not recommended) |
Compliance—DW, RW
Official-other waters |
USEPA (2000 and 2006a)
(Appendix
F) |
|
Enterococci |
mEI method |
Compliance—RW, DW
Official—other waters |
USEPA (2006b)
APHS (2005) Section 9230c
(Appendix
H) |
|
Clostridium perfringens |
Modified mCP method |
Official—all waters |
USEPA (1996), modified by OWML (Appendix
I) |
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U.S. Department of the Interior | U.S. Geological Survey
