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| Rule: 17.38.207 | Prev Up Next | |
| Rule Title: MAXIMUM MICROBIOLOGICAL CONTAMINANT LEVELS | ||
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| Department: | ENVIRONMENTAL QUALITY | |
| Chapter: | PUBLIC WATER AND SEWAGE SYSTEM REQUIREMENTS | |
| Subchapter: | Public Water Supply Requirements | |
| Latest version of the adopted rule presented in Administrative Rules of Montana (ARM): | ||
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17.38.207 MAXIMUM MICROBIOLOGICAL CONTAMINANT LEVELS (1) The department adopts and incorporates by reference 40 CFR 141.63(a), 141.63(b), 141.63(c), and 141.63(d), which set forth maximum contaminant levels for microbiological contaminants.
History: 75-6-104, MCA; IMP, 75-6-104, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 1998 MAR p. 1167, Eff. 5/1/98; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2017 MAR p. 220, Eff. 2/18/17; AMD, 2024 MAR p. 253, Eff. 2/10/24. |
| MAR Notices | Effective From | Effective To | History Notes |
|---|---|---|---|
| 17-432A | 2/10/2024 | Current | History: 75-6-104, MCA; IMP, 75-6-104, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 1998 MAR p. 1167, Eff. 5/1/98; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2017 MAR p. 220, Eff. 2/18/17; AMD, 2024 MAR p. 253, Eff. 2/10/24. |
| 17-386 | 2/18/2017 | 2/10/2024 | History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 1998 MAR p. 1167, Eff. 5/1/98; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2017 MAR p. 220, Eff. 2/18/17. |
| 12/8/2000 | 2/18/2017 | History: 75-6-103, MCA; IMP, 75-6-103, MCA; NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 1998 MAR p. 1167, Eff. 5/1/98; AMD, 2000 MAR p. 3400, Eff. 12/8/00. |
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