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TITLE 75
CHAPTER 5
Part 3
Montana Code Annotated 2019
TITLE 75. ENVIRONMENTAL PROTECTION
CHAPTER 5. WATER QUALITY
Part 3. Classification and Standards
75-5-301
Classification and standards for state waters
75-5-302
Revising classifications in accordance with existing, present, and future most beneficial uses of water bodies
75-5-303
Nondegradation policy
75-5-304
Adoption of standards -- pretreatment, effluent, performance
75-5-305
Adoption of requirements for treatment of wastes -- variance procedure -- appeals
75-5-306
Purer than natural unnecessary -- dams -- definition
75-5-307
Hearings required for classification, formulation of standards, and rulemaking
75-5-308
Short-term water authorizations -- water quality standards
75-5-309
Repealed
75-5-310
Site-specific standards of water quality for aquatic life
75-5-311
Local water quality districts -- board approval -- local water quality programs
75-5-312
Temporary water quality standards
75-5-313
Nutrient standards variances -- individual, general, and alternative
75-5-314
Confidentiality of base numeric standards and nutrient standards variances
75-5-315
Outstanding resource waters -- statement of purpose
75-5-316
Outstanding resource water classification -- rules -- criteria -- limitations -- procedure -- definition
75-5-317
Nonsignificant activities
75-5-318
Short-term water quality standards for turbidity
75-5-319
Compliance schedule for base numeric nutrient standards
75-5-320
Temporary water quality standards variances
75-5-321
through 75-5-324 reserved
75-5-325
Definitions
75-5-326
Gray water reuse -- restrictions
75-5-327
Local gray water regulations