Triennial Standards Review
Triennial review of Minnesota’s water quality standardswq-s6-64aCatherine O’DellWater Quality StandardsMarch 9, 2021
Triennial standards reviewAn opportunity to comment on the need for revisions, additions or otherchanges to Minnesota’s water quality standards.Required of states every three years Public meeting One, on March 9, 2021 Public comment period Continues thru Apr. 9, 2021March 9, 20212
What is a water quality standard? A primary tool in the CleanWater Act for restoring andmaintaining water quality A number or statement toprotect a water body for aspecific beneficial useMarch 9, 20213
What is awaterqualitystandard?Who or what is protected?Waters are protected for public valuesFederal CWA and Minn. Statutes 115.44: “ best usage in the interest of the public ”Beneficial uses assignedin Minnesota Rules:1. Drinking water2. Aquatic life and recreation3. Industrial use and cooling4. Agricultural and wildlife use5. Aesthetics and navigation6. Other uses7. Limited resource valueMarch 9, 20214
What is awaterqualitystandard?What conditions are protective? Numeric or narrative (most are numeric) Referred to as “standards” OR criteria (EPAterm) Protect a specific beneficial use Apply statewide or are region-specific Evaluate condition in the water bodyMarch 9, 20215
What is awaterqualitystandard?Waters have multiple beneficial uses and standardsClass 1 – domesticconsumptionChloride WQS 250 mg/LMarch 9, 2021Class 2 – aquatic lifeChloride WQS 230 mg/L6
What is awaterqualitystandard?How is existing water quality protected? Antidegradation rules and policiesprovide three provisions to: Maintain existing beneficial uses Protect high water quality Maintain outstanding value water bodiesMarch 9, 20217
WaterQualityStandardMarch 9, 2021What is a water quality standard?8
Standards vs. LimitsStandardLimit Ambient water quality goal Lake or river water quality target Effluent goal Legal requirement in a permitMarch 9, 20219
Triennial standards review Public involvementis essential Informs prioritysetting and ageneral work planfor developmentand rulemakingMarch 9, 2021Year 1PublicCommentPeriodMPCAReview andPrioritizeYear 2Year 3Technical developmentof water quality standards;formal rulemaking10
What is open for review? Minnesota rules governing waterquality standards: Chapters 7050 and7052, including: Listed modified Class 2 and Class 7limited resource value waters water quality criteria developed by EPA Current active variances from WQSMarch 9, 202111
MPCA’s proposed WQS work plan priorities for developmentwith timelinesWQS - active developmentGroup 1:Current and ActiveWQS – initial evaluation anddevelopmentGroup 2:In TechnicalDevelopmentGroup 3:Tracking andEvaluationGroup 1: WQS topics that are already being worked on by MPCAGroup 2: WQS topics that are in technical development, but are still one to twoyears from starting rulemakingGroup 3: WQS topics that are priorities for developmentMarch 9, 202112
MPCA’s proposed WQS work planfor 2021-2023Water Quality Standards - active developmentGroup 1: Current and ActiveMarch 9, 20211A: Rulemaking1B: Pre-rulemaking developmentMinimum 18 months in this development stageTwo to three years in this development stageUse Classes 3 –industrial, and4 -agriculture and wildlifeUse Classes 2A (cold water)/2B(cool and warm water) – aquaticlife)Use Class 1 - drinking water13
MPCA’s proposed WQS work planfor 2021-2023Water Quality Standards – initial evaluation and developmentGroup 2: In Technical Development2A: Technical Review2B: Technical Information OutstandingOne to two years in this development stageMay not move into next phase before 2023Lake Eutrophication WQS - revisionsSulfate – aquatic lifeNitrate – aquatic lifeAmmonia – aquatic lifePFOS in fish tissue – human healthAluminum, copper and cadmium –aquatic lifeMarch 9, 2021Chloride – aquatic life14
MPCA’s proposed WQS work planfor 2021-2023Water Quality Standards – initial evaluation anddevelopmentGroup 3: Tracking and EvaluationLimited progress expected before 2023Revisions to Total Suspended Solids (TSS) WQSMarch 9, 202115
Other potential WQS projects considered Bioaccumulative toxins in fish tissue – human health(revisions): Dioxins/Furans (Dx/Fx) Polychlorinated Biphenyls (PCBs) Mercury Surface water pathogens (E. coli) – human health (revision) WQS for clothianidin and imidiproclid – aquatic life (addition) Review/update designated Outstanding Resource Value WatersMarch 9, 202116
Effective Publiccomments:How to make your voice heardOpinion-basedcomments that lacksupportinginformation haveless impactMarch 9, 2021Goodcommentsimprove theend resultUse dataand factsCite specificactions orchanges tomake17
Comments can be very simple:I agree/disagree with the Proposed WorkInclude thereason(s) foryourcomment!PlanThe Priority for WQS X should behigher/lowerIssue X is missing from the work planMarch 9, 202118
What happens next? Public comment period ends April 9,2021 MPCA will review the comments &consider changes WQS priorities are based on: Degree of need; new data/science;relative impacts/benefit of a WQS; publiccomments; staff resources (WQSdevelopment and implementation)March 9, 202119
3:30 pm to 6:00 pm or till doneTriennial standard reviewinformation is available riennialstandards-reviewMarch 9, 2021Triennial standards review public meeting20
Minnesota POllution Control Agency, MPCA, TSR, Triennial review, Triennial standards review, water quality standards, WQS, March 9 2021 public meeting, proposed water quality standards workplan for 2021-2023. wq-s6-64a Created Date: 3/11/2021 7:55:11 AM
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4. By cl 5.1 (d) (i) of the Code, the Triennial Code Reviewer is required to be a person other than the Code Compliance Reviewer. 5. In relation to process or procedure, by cl 5.3 (b) of the Code: "(b) For the purposes of a Review of the Code, the Triennial Code Reviewer will: (i) invite written submissions on the operation of the Code and
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Triennial Torah Cycle from the Ancient Holy Temple The first Sabbath of the Month Nisan (the month that begins two weeks before Passover), every third year, is the time to start the triennial Torah reading cycle. This is the
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