North Dakota Department Of Environmental Quality Public .

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North Dakota Department of Environmental Quality Public NoticeIssue of an NDPDES PermitPublic Notice Date: 3/23/2020Purpose of Public NoticeThe Department intends to issue the following North Dakota Pollutant Discharge EliminationSystem (NDPDES) Discharge Permit under the authority of Section 61-28-04 of the NorthDakota Century Code.Permit InformationPublic Notice Number: ND-2020-012Application Date: 4/5/2019 Application Number: ND0026964Applicant Name: Red River Valley Water Supply ProjectMailing Address: PO Box 140, Carrington, ND 58421Telephone Number: 800.532.0074Proposed Permit Expiration Date: 6/30/2025Facility DescriptionThe application is for a water supply project that will pump water from the Missouri River toeastern and central North Dakota; primarily in the event of severe drought conditions. TheMissouri River intake will be located in the NE1/4, SW1/4, Section 5, Township 143N, Range83W southeast of Washburn, ND. The water treatment plant will be located in the SW1/4,NW1/4, Section 3, Township 143N, Range 83W southeast of Washburn, ND. The transmissionpipeline extends from the Missouri River intake to the Sheyenne River, a Class IA stream,southeast of Cooperstown, ND. Treated water will discharge from the Sheyenne River outfallwhich will be located in the NW1/4, NE1/4, Section 22, Township 145N, Range 58W. Water thatdoes not meet treatment targets will be diverted to one of two discharge points. One point willbe located in the SW1/4, NW1/4, Section 3, Township 143N, Range 83W southeast ofWashburn, ND and discharge to Painted Woods Creek, a Class III stream. The other point willbe located in the SE1/4, SE1/4, Section 2, Township 145N, Range 64W east of Carrington, NDand discharge to the James River, a Class IA stream.MEETING PURPOSE AND LOCATIONUPDATE:The North Dakota Department of Environmental Quality had scheduled a public hearing for theproposed Red River Valley Water Supply Project. This public hearing was to be held May 12,2020 at 1:00 p.m. at the North Dakota State University Memorial Union. The public hearing willnow be held remotely due to COVID-19.The public hearing is still scheduled for May 12, 2020 at 1:00 p.m., however the public hearingwill now be held via telephone. Instructions for this meeting will be available no later than May6, 2020 on the department’s website https://deq.nd.gov or by contacting the department.Tentative DeterminationsProposed effluent limitations and other permit conditions have been made by the Department.They assure that State Water Quality Standards and applicable provisions of the FWPCAA willbe protected.

Information Requests and Public CommentsCopies of the application, draft permit, and related documents are available for review.Comments or requests should be directed to the ND Dept of Env Quality, Div of Water Quality,918 East Divide Ave, Bismarck ND 58501-1947 or by calling 701.328.5210.All comments received by May 21, 2020 will be considered prior to finalizing the permit. If thereis significant interest, a public hearing will be scheduled. Otherwise, the Department will issuethe final permit within sixty (60) days of this notice. If you require special facilities or assistancerelating to a disability, call TDD at 1.800.366.6868.

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 1 of 26FACT SHEET FOR NDPDES PERMITND-0026964RED RIVER VALLEY WATER SUPPLY PROJECTDATE OF THIS FACT SHEET – MARCH 2019INTRODUCTIONThe Federal Clean Water Act (CWA, 1972, and later amendments in 1977, 1981, and 1987,etc.) established water quality goals for the navigable (surface) waters of the United States.One mechanism for achieving the goals of the CWA is the National Pollutant DischargeElimination System (NPDES), which the US Environmental Protection Agency (EPA) oversees.In 1975, the State of North Dakota was delegated primacy of the NPDES program by EPA. TheNorth Dakota Department of Environmental Quality, hereafter referred to as “department”, hasbeen designated the state water pollution control agency for all purposes of the Federal WaterPollution Control Act, as amended [33 U.S.C. 1251, et seq.], and is authorized to take all actionnecessary or appropriate to secure to this state the benefits of the act and similar federal acts.The department’s authority and obligations for the wastewater discharge permit program is inthe North Dakota Administrative Code (NDAC) 33.1-16 which was adopted under North DakotaCentury Code (NDCC) chapter 61-28. In North Dakota, these permits are referred to as NorthDakota Pollutant Discharge Elimination System (NDPDES) permits.The following rules or regulations apply to NDPDES permits: Procedures the department follows for issuing NDPDES permits (NDAC chapter33.1-16-01), Standards of Quality for Waters of the State (NDAC chapter 33.1-16-02.1).These rules require any treatment facility operator to obtain an NDPDES permit beforedischarging wastewater to state waters. They also define the basis for limits on each dischargeand for other requirements imposed by the permit.According to NDAC section 33.1-16-01-08, the department must prepare a draft permit andaccompanying fact sheet, and make it available for public review. The department must alsopublish an announcement (public notice) during a period of thirty days, informing the publicwhere a draft permit may be obtained and where comments regarding the draft permit may besent (NDAC section 33.1-16-01-07). For more information regarding preparing and submittingcomments about the fact sheet and permit, please see Appendix A – Public Involvement.Following the public comment period, the department may make changes to the draft NDPDESpermit. The department will summarize the responses to comments and changes to the permitin Appendix D – Response to Comments.

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 2 of 26TABLE OF CONTENTSBACKGROUND INFORMATION . 3FACILITY DESCRIPTION .4Discharge Outfall.7PERMIT STATUS .7SUMMARY OF COMPLIANCE WITH PREVIOUS PERMIT ISSUED.7PROPOSED PERMIT LIMITS .7EFFLUENT LIMITATIONS .8SELF-MONITORING REQUIREMENTS .9SURFACE WATER QUALITY-BASED EFFLUENT LIMITS . 10Numerical Criteria for the Protection of Aquatic Life and Recreation . 11Numerical Criteria for the Protection of Human Health . 11Narrative Criteria . 11Biota Transfer. 11Antidegradation . 12Mixing Zones . 12EVALUATION OF SURFACE WATER QUALITY-BASED EFFLUENT LIMITS FOR NUMERIC CRITERIA. 12Total Residual Chlorine (TRC) . 12pH . 13WHOLE EFFLUENT TOXICITY . 13HUMAN HEALTH . 13MONITORING REQUIREMENTS . 14TEST PROCEDURES . 14OTHER PERMIT CONDITIONS . 14PERMIT ISSUANCE PROCEDURES . 14PERMIT ACTIONS . 14PROPOSED PERMIT ISSUANCE . 14APPENDIX A – PUBLIC INVOVLEMENT INFORMATION. 16APPENDIX B – DEFINITIONS . 20APPENDIX C – DATA AND TECHNICAL CALCULATIONS . 22APPENDIX D – RESPONSE TO COMMENTS . 23APPENDIX E – BIOTA TRANSFER . 24

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 3 of 26BACKGROUND INFORMATIONTable 1 – General Facility InformationApplicant:Facility Name and Address:Garrison Diversion Conservancy DistrictRed River Valley Water Supply ProjectPO Box 140, Carrington, ND 58421Permit Number:ND-0026964Permit Type:Minor, Permit IssuanceScreening, Sand/Grit Removal, Disinfection(Chlorine), Dechlorination, Discharge toSurface Water, Landfill4941 – Water Supply001: Sheyenne River, Class IA streamLatitude: 47.36667 Longitude: -98.03750Type of Treatment:SIC Code:Discharge Location:Hydrologic Code:002: James River, Class IA streamLatitude: 47.40000 Longitude: -98.79583003: Painted Woods Creek, Class III streamLatitude: 47.22944 Longitude: -100.9269409020203 – Middle Sheyenne10160001 – James River Headwaters10130101 – Painted Woods-Square Butte

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 4 of 26Figure 1: Project Map, Red River Valley Water Supply Project (NDPDES Permit Application,2019)FACILITY DESCRIPTIONThe Red River Valley Water Supply Project (RRVWSP) is a supplemental water supply projectthat will pump water from the Missouri River to eastern and central North Dakota; primarily inthe event of severe drought conditions. The RRVWSP also would provide water to industriesand augment natural stream flow during severe droughts. The RRVWSP will be operated andmaintained by the Garrison Diversion Conservancy District. This proposed facility is notprojected to be in operation before 2029.Water will be taken from the Missouri River, treated, and sent 167 miles through a 72-inchdiameter pipeline to the Sheyenne River near Cooperstown, ND. Water that does not meetturbidity requirements will be discharged to Painted Woods Creek east of Washburn, ND. Waterthat does not meet disinfection requirements will be discharged to the James River east ofCarrington, ND. When in use, the project will have an average discharge rate of 145 cubic feetper second (cfs), with a maximum discharge rate of 165 cfs. When not in use, the project willmaintain a base flow rate of 4 cfs.Raw water will enter the system through a conventional intake structure in the Missouri River,approximately six miles south of Washburn, ND. The passive intake structure includes screensthat exclude material and aquatic organisms from entering the pumps and piping. The screen

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 5 of 26opening sizes are approximately 0.125 inches (3 millimeters or 3,000 microns) and have amaximum design flow inlet velocity of 0.25 feet per second. The top of the screens will besubmerged a minimum of 4 feet below the average water surface elevation. The screencleaning system will either backflush or wipe debris off the screen face and back into the river.Screened water flows 1,500 feet to the Missouri River Pumping Station and is then pumped tothe Washburn Site. The Washburn Site contains the Sand/Grit Removal Building, Biota WaterTreatment Plant (WTP), Main Pumping Station, and Surge Control Structure.Sand/grit removal will be the first treatment process at the Washburn Site. The process isdesigned to remove 95 percent of all sand/grit greater than or equal to 100 microns at peak flowbased on a specific gravity of 2.1 or higher. Aquatic species similar in size and density alsowould be removed. Material that is removed will be passively dried in drying beds ormechanically dewatered before disposal. Clarified water created during the dewatering processis cycled back to the headworks of the Biota Water Treatment Plant. Dried residuals that areremoved during the process will be disposed in an inert landfill within the Missouri River Basin.Following sand/grit removal, treated supply water passes through chlorine disinfection. Aserpentine-style disinfection contact basin (DCB) in conjunction with the 72-inch conveyancepipeline will be used to provide the necessary chlorine contact time needed for chlorinedisinfection. When flows are below 25 cfs, disinfection occurs in the DCB. For flows higher than25 cfs, a portion of the 72-inch conveyance pipeline (7 miles at a maximum) is used along withthe DCB to provide the required disinfection. Disinfection compliance will be computedautomatically by measurement of the water temperature, residual chlorine, pH, and the flow inthe system.The RRVWSP is designed to provide disinfection equivalent to 3-log inactivation of Giardialamblia (Giardia) and 4-log inactivation of viruses. Log inactivation is used as a measurement ofthe disinfection capability of a treatment system. For example, 3-log inactivation of Giardiameans that 99.9 percent of the Giardia present in the water would be inactivated at the end oftreatment, and 4-log inactivation of viruses means that 99.99 percent of viruses would beinactivated. Inactivation requirements of other organisms are compared to the log inactivationcapabilities of the treatment system to determine if these organisms will be inactivated by thesystem.After the addition of chlorine, treated supply water is pumped from the Main Pumping Station tothe Hydraulic Break Tanks (HBTs) near Hurdsfield, ND. The HBTs provide a point wherepumped water switches to gravity flow. Water from the HBTs gravity flows to the Control ValveStructure (CVS) located southeast of Cooperstown, ND. The CVS provides flow rate control andreduces the pressure of the flowing water. A chlorine residual will be carried from the HBTs tothe CVS. From the CVS, water then flows to the Pipeline Discharge Infrastructure where theenergy of the water is dispersed before ultimately discharging to the Sheyenne River southeastof Cooperstown, ND.Dechlorination occurs naturally as treated water flows through the pipeline to the point ofdischarge. It is likely that some residual chlorine may be present at the point of dischargewithout further treatment. Sodium bisulfite will be added at the CVS to remove residual chlorineprior to treated supply water reaching the discharge structure and outfall to the Sheyenne River.

FACT SHEET FOR NDPDES PERMIT ND-0026964GARRISON DIVERSON CONSERVANCY DISTRICTEXPIRATION DATE: June 30, 2025Page 6 of 26Treated water flowing through the 167-mile long, 72-inch diameter pipeline will have a lowdissolved oxygen (DO) concentration by the time it reaches the end of the pipeline due to a longresidence time within the pipeline (e.g., 1.7 days at 165 cfs, 72 days at 4 cfs). Reoxygenation ofthe treated water will occur as water exits the control weir of the CVS. Additional reoxygenationwill occur as treated water passes through the energy dissipation structure at the SheyenneRiver discharge.The RRVWSP will maintain a minimum chlorine residual of 3 mg/L at the Main Pumping Stationfor flows up to 25 cfs, and to a location seven miles from the Main Pumping Station for flowsgreater than 25 cfs.The RRVWSP will include continuous water quality monitoring for turbidity, residual chlorine,water temperature, pH, and flow rate. Analyzers will be placed throughout the system. Outputsand measurements will be displayed locally and connected to the RRVWSP Supervisory Controland Data Acquisition (SCADA) system. Periodic grab samples will be collected for qualitycontrol, and analyzer maintenance and calibration. Pumping units and mainline isolation valvesalso will be controlled using the SCADA system.In addition to physical and chemical treatment, the RRVWSP will incorporate an operationalstrategy. The RRVWSP will not be operated when turbidity exceeds 10 Nephelometric TurbidityUnits (NTU) downstream of the sand/grit removal process.The RRVWSP has two diversion points used to discharge supply water that does not meettreatment targets. The first diversion discharge point is at the Biota WTP. If treated waterturbidity at the Biota WTP exceeds 10 NTU, the water will be dechlorinated and evacuated fromthe Biota WTP basins and piping. The water will be directed back to the Missouri River via anunnamed tributary of Painted Woods Creek. Any discharge from this diversion point must meetthe effluent limitations of the proposed permit.The second diversion discharge point is at the point the RRVWSP crosses the James River inthe Missouri River Basin. If treated water does not meet disinfection targets by the time itreaches the HBTs, the water will be dechlorinated and the pipeline will be flushed. Anydischarge from this diversion point also must meet the effluent limitation in the proposed permit.Flows from the two diversion points could range from 4 cfs to 165 cfs depending on the type offlow through the RRVWSP at the time treatment targets could not be met.Inspection, operation and maintenance, and capital replacement plans will be developed for theRRVSWP to minimize the potential for facility degradation and breakdowns. In addition, anAsset Management Plan will be developed that will catalog all assets along with theirmaintenance requirements, maintenance schedule, and life expectancy. A Capital ImprovementPlan also will be developed and updated periodically to identify assets that are nearing their lifeexpectancy and require rep

May 21, 2020 · The North Dakota Department of Environmental Quality had scheduled a public hearing for the proposed Red River Valley Water Supply Project. This public hearing was to be held May 12, 2020 at 1:00 p.m. at the North Dakota State University Memorial Union. The public

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