TCEQ TRADE FAIR 2017 AUSTIN, TEXAS
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THE DESIGN CRITERIA FOR WASTEWATER SYSTEMS (30 TAC Chapter 217) Louis C. Herrin, III, P.E. Engineer, Water Quality Division 512-239-4552 [email protected] TCEQ TRADE FAIR 2017 MAY 16, 2017 AUSTIN, TEXAS
Transcript of TCEQ TRADE FAIR 2017 AUSTIN, TEXAS
THEDESIGNCRITERIAFORWASTEWATERSYSTEMS(30TACChapter217)
LouisC.Herrin,III,P.E.Engineer,[email protected]
TCEQTRADEFAIR2017MAY16,2017AUSTIN,TEXAS
CHAPTER217• AdministrativeRequirementsSubchapterA• TreatmentFacilityDesignRequirementsSubchapterB• ConventionalCollectionSystemsSubchapterC• AlternativeCollectionSystemsSubchapterD• PreliminaryTreatmentUnitsSubchapterE• ActivatedSludgeSystemsSubchapterF• FixedFilmandFiltrationUnitsSubchapterG• NaturalTreatmentFacilitiesSubchapterH• SludgeTreatmentUnitsSubchapterJ• ChemicalDisinfectionSubchapterK• UVLightDisinfectionSubchapterL• SafetySubchapterM
CHAPTER217
EffectiveDecember4,2015
CHAPTER217
• Checkthestatusofyoursummarytransmittalletter.http://www4.tceq.texas.gov/wwdp/
ThefirstconsolidateddesigncriteriawasadoptedbyTexasStateDepartmentofHealthon
9/18/1950.
Thisdocumentwasrevisedon9/11/1961,9/18/1968,9/13/1970,9/1/1974,6/1/1981,4/20/1990,8/28/2008,12/4/2015
HISTORYOFMAJORCHANGESOFTHEWASTEWATERTREATMENTDESIGN
CRITERIAINTEXAS
GeneralProcedure
• a. What’stheSummarytransmittalletterprocedureandwhatisneededintheletter
• b. Howtorequestavariance• c. Whattypeofprojectsgetcalledinandhowoften,
• d. What’smaintenanceandwhyitdoesn’tneedtobesubmittedforreview
• e. Regionswillbelookingforapprovallettersatinspection.
GeneralProcedure
• f. Review procedure regarding TWDB, EAPP• g. We approve on a project basis. We’ll meet with
suppliers/manufacturers to discuss new technology and approaches, but no carte blanche approval letters for technology
• h. We meet and provide feedback on pilot studies if requested
ReratingaWWTP• Informationnecessaryforreratingawwtp1. Atleasttwoofflowandinfluentdata2. Informationonhowthewwtp isoperating3. Designofthewwtp
WaterLinevs.WastewaterLine
• Whenaprojectistheinstallationofawaterlinethatmaycrossasewerline,thenstartwith290. Ifitisasewerlinethatmaycrossawaterline,thenstartwith217. But,coordinatewithbothrulestoensurethatthemoststringentdirectiveisfollowedincaseswheretherearedifferences
Prohibition
• Whataretheprohibitionsinthedesigncriteria?
• Howmanyprohibitionsareinthecriteria?
• HowcanIgetavariancetoaprohibition?
• Whatistheprohibitiondoweseethemost?
GeneralInformation
1. Liner certification requirements
2. Trend on small plants (sleds, MBR, IFAS, MBBR)
3. Closure plans
4. Let your permit expire
QUESTIONS?
