Idaho
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Water Quality Standards for Idaho |
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- Water Quality Standards and Wastewater
Treatment Requirements - (PDF, 4.3M)
- (Effective January 17, 2003) State regulation establishing
water quality standards for surface waters of the State. Please
note that the document has been modified to show which sections
are not effective for Clean Water Act purposes.
- Federal Regulations, 40 CFR 131.33
- (PDF, 83K)
- (Effective July 31, 1997) Federal regulations establishing
a water quality criterion for temperature protective of bull
trout, the list of waterbodies where this water quality criterion
applies, use designations for specific waterbodies, a federal
variance policy/provision, as well as a procedures for site
specific modification of designated uses of waterbodies and
the temperature criterion for bull trout.
- Federal Regulations, 40 CFR 131.36
- (PDF, 121K)
- (Effective April 12, 2000) The federal regulations include
EPA's recent removal of Idaho from the National Toxics Rule
for all federally promulgated water quality criteria. For more
information on this action see 65 Federal Register 19659,
April 12, 2000.
Archive
Water Quality Standards
and Wastewater Treatment Requirements - (PDF, 1.5M)
State regulation establishing water quality standards for surface
waters of the State. Idaho has adopted by reference the water
quality criteria contained in the federal regulations at 40 CFR
(document listed above) with exceptions as noted in their water
quality standards.
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