Wlssd - waste each month. WLSSD HHW staff also provides technical assistance upon request for any organizations in the region, regardless of generator status. An overview WLSSD has operated household hazardous waste collection programs since 1984, with its permanent facility opening in January 1994. Today, about 18,000 customers visit the facility each ...

 
The county charges this fee to all properties within the County not served by the WLSSD. It is not a collection charge and necessary to provide appropriate solid waste and recycling facilities and solid waste disposal for both year-round and seasonal property owners, as mandated by the State of Minnesota.. Wavecable.com login

Western Lake Superior Sanitary District provides award-winning wastewater and solid waste services within a 530 square mile service area and is a nationally recognized leader in pollution prevention. Governed by a nine-member citizen board, WLSSD is a special purpose subdivision of the State of Minnesota. Its legislative boundaries include the ...Western Lake Superior Sanitary District (WLSSD) is committed to preventing pollution and protecting the environment, including the region’s most precious resource –Lake Superior. WLSSD treats all municipal and industrial sewage in the Duluth-Cloquet area. Wastewater Biosolids. Unwanted paints, household cleaners and more find a second life at the Product Reuse Center, located in the WLSSD Household Hazardous Waste (HHW) Facility. Shop once each day the Household Hazardous Waste Facility is open. The Product Reuse Center is open to residents age 18 or older. Residents can take a maximum of 5 items per day for free for ...WLSSD is closing all facilities to the general public starting after close of business, 4 p.m. Tuesday, March 17 until further notice. Impacted facilities include the Materials Recovery Center off of Rice Lake Road, the Household Hazardous Waste Facility, and the Administrative Building, both at 27th Avenue W & the Waterfront. WLSSD does not provide trash hauling services.Acronym. Definition. WLSS. West London Shooting School (UK) WLSS. West Lothian Soccer Sevens (youth soccer development) WLSS. Workshop on Lexical Semantics Systems. WLSS.The agenda for this meeting will include: • Wastewater Comprehensive Plan Update • DEED Agreement Update • Approval of Solid Waste Facility Permit Issuance - Twin Ports Trailer TrashDuluth, MN – Western Lake Superior Sanitary District (WLSSD) will host a free collection event for unwanted or expired medications at its regional Household Hazardous Waste Facility on Friday, October 13 from 8:00 am to 4:30 pm.“Medicine Cabinet Clean-Out Day” is a one-day event offering residents free disposal of unwanted medications in a …About 140,000 people make their homes in the Western Lake Superior Sanitary District’s 530-square-mile service area; 109,000 people are connected to the regional sewer system. WLSSD employs about 105 people to provide wastewater and solid waste services. WLSSD’s main campus at 27th Avenue West in Duluth spans 40 acres. Wastewater and Water ...Prioritizes projects to meet WLSSD’s mission and goals Resolves disputes between vendors and WLSSD Monitors progress on projects and assist in problem-solving contract related issuesWLSSD. 1,538 likes · 47 talking about this. WLSSD provides wastewater and solid waste services for a 530 square mile region around Duluth, Mn.NEWS RELEASE For immediate release: 2:00 p.m., Tuesday, May 1, 2018 Contact: Karen L. Anderson, Director of Community Relations WLSSD Wastewater Treatment Facility… Read moreHousehold Hazardous Waste Facility, Materials Recovery Center, Yard Waste Compost Site and Administrative Offices hours of operation. Disposal options for the greater Duluth, …Minnesota Office of the Revisor of Statutes, 700 State Office Building, 100 Rev. Dr. Martin Luther King Jr. Blvd., St. Paul, MN 55155WLSSD to Host Collection Event for Unwanted Medication this Friday . Duluth, MN – Western Lake Superior Sanitary District (WLSSD) will host a free collection event for unwanted or expired medications at its regional Household Hazardous Waste Facility on Friday, April 29 from 9:00 am to 4:00 pm.The Western Lake Superior Sanitary District (WLSSD) was established in 1971 to address serious pollution problems in the lower Saint Louis River Basin. WLSSD's regional wastewater treatment plant began operating in 1978. Within two years, fish populations rebounded and anglers began returning to the river.Acronym. Definition. WLSS. West London Shooting School (UK) WLSS. West Lothian Soccer Sevens (youth soccer development) WLSS. Workshop on Lexical Semantics Systems. WLSS.Western Lake Superior Sanitary District (WLSSD) is committed to preventing pollution and protecting the environment, including the region's most precious resource -Lake Superior. WLSSD treats all municipal and industrial sewage in the Duluth-Cloquet area. Wastewater Biosolids .Rural recycling drop-off sites offer convenient recycling services for rural residents in the WLSSD service area. Recyclable material may be dropped off during open hours free of charge. These locations use a 2-sort system—cardboard and mixed paper/containers. Plastic film bags that are clean and dry can also be recycled in a separate cart.WLSSD Wastewater Treatment Facility Earns State Award for Outstanding Clean Water Performance DULUTH, MN. - The Minnesota Pollution Control Agency (MPCA) has recognized Western… Read more2 วันที่ผ่านมา ... The Western Lake Superior Sanitary District (WLSSD) is not only creating the perfect incentive to clean out your medicine cabinet, but they're ...The board of directors of the Western Lake Superior Sanitary District (WLSSD) approved a budget at their regular board meeting Monday that reduces wastewater rates for the second year in a row and ...Surplus property, materials or supplies from WLSSD operations that are no longer needed for public purposes are occasionally made available for sale, as governed by Minnesota statutes. A current listing of property for sale from WLSSD can be acquired here , or visit Public Surplus.comWestern Lake Superior Sanitary District | 73 pengikut di LinkedIn. Clear Answers for Clean Water | Western Lake Superior Sanitary District is an environmental services company based out of United States.WLSSD's "Blueprint for Mercury Elimination" also has helpful information on prioritizing which facilities to work with. The following information comes from page 10 in the guide: "Evaluate which of these sources have the greatest opportunity for reducing mercury. Work with the largest sources of mercury first.WLSSD's Materials Recovery Center (MRC) is a facility where residents and businesses can recycle or dispose of many wastes. It is WLSSD's goal to reuse, recycle or recover as much material as possible, reducing the amount of waste sent to landfills. The MRC is a self-service facility. Visitors stop first at the gatehouse where WLSSD staff ...The Western Lake Superior Sanitary District treatment plant in Duluth on May 18, 2021. Steve Kuchera / File / Duluth News Tribune. By Peter Passi. May 09, 2023 at 5:58 PM. ShareDischarged (used) small carbon dioxide (CO2) cartridges, such as from a BB gun or bike tire inflation device, can be placed in the trash.Kurt Soderberg, executive director of the Western Lake Superior Sanitary District in Duluth, recently received the highest award from the National Association of Clean Water Agencies.That's why we're closed Tuesday-Wednesday, July 9-10, 2019. We have options for your solid waste needs during the closure. In fact, they are good options any time. Here they are: Demolicious. (218) 628-3880. demolicious.com. Normandy Roll-off & Disposal. (218) 428-9586.The District’s regional wastewater treatment plant at 27th Avenue West and Courtland Street in Duluth treats about 40 million gallons of wastewater from homes, business and industries every day. The treatment process utilizes beneficial bacteria similar to those found in area rivers. Clean water and biosolids are the end products of this process.www.wlssd.com Western Lake Superior Sanitary District. INVITATION FOR BIDS . SODIUM HYPOCHLORITE . WLSSD BID #1423 . Sealed bids for Sodium Hypochlorite will be received by Western Lake Superior Sanitary District (WLSSD) until the BID CLOSING time of m January 7, 2021 10:00 a whereupon the bids will be publicly opened and read aloud.WLSSD Household Hazardous Waste Facility. . Hazardous Material Control & Removal, Garbage Collection. Be the first to review! (218) 722-0761 Visit Website Map & Directions 2626 Courtland StDuluth, MN 55806 Write a Review.Duluth, MN— Western Lake Superior Sanitary District's Yard Waste Compost Site announces its final weekend of the 2021 season, open 9 a.m. to 4 p.m. Thursday, November 18 through Monday, November 22. Residents may dispose of leaves, pumpkins, garden leftovers, and other yard debris for free. Brush and branches may also be disposed of for $10 ...Western Lake Superior Sanitary District (WLSSD) provides wastewater and solid waste services and oversight for a 530 square mile region around Duluth, Minnesota that includes the cities of Duluth ... High flows of clear water are entering the Western Lake Superior Sanitary District's (WLSSD) sanitary sewer collection system in Duluth, WDIO sat down with the Executive Director of Western Lake ...FROM 2022: WLSSD celebrates 50 years of Clean Water Act “As a nation, especially of the time, it was an impressive accomplishment,” Marianne Bohren, executive director of the Western Lake ...৬ মার্চ, ২০২৩ ... Duluth is one of 17 communities served by the WLSSD regional wastewater treatment plant. In the 2023 legislative session, WLSSD is ...Comments and questions are welcome at [email protected] or 218.722.3336. WLSSD provides award-winning wastewater treatment and solid waste management for a 530-square-mile service area in St. Louis and Carlton counties. WESTERN LAKE SUPERIOR SANITARY DISTRICT 2626 Courtland Street Duluth, MN 55806-1894 218.722.3336 wlssd.comWLSSD Household Hazardous Waste Disposal Guide. Children are particularly susceptible to the effects of these products, as their bodies and brains are developing rapidly. Their little bodies proportionally take in more potential pollutants, and their bodies may process them differently than adults. Easy Steps to Reduce Toxic ChemicalsThe City of Duluth sanitary sewers have a total length of approximately 1,831,000 feet (347 miles). The sewer system is divided into 30 basins. The system gravity feeds to Western Lake Superior Sanitary District (WLSSD) interceptors. Forty-three Pump Stations assure the continual movement of wastewater through the system.Marianne Bohren will become the Western Lake Superior Sanitary District's executive director onJuly 1, the WLSSD Board of Directors decided Monday. She will succeed Kurt Soderberg, who will retire ...Koochiching County Minnesota : Household Hazardous Waste Collection at the Transfer Station Complex ( Koochiching County ) - Environmental Services , in Cooperation with WLSSD , will be holding a Household Hazardous Waste Collection for the International Falls area on May 25th from Noon to 4:00 PM .Acronym. Definition. WLSS. West London Shooting School (UK) WLSS. West Lothian Soccer Sevens (youth soccer development) WLSS. Workshop on Lexical Semantics Systems. WLSS.The Western Lake Superior Sanitary District (WLSSD) says the increased water flow has already been diverting to storage basins in several locations, and that sewage overflows are a possibility. If ...Western Lake Superior Sanitary District provides award-winning wastewater and solid waste services within a 530 square mile service area and is a nationally recognized leader in pollution prevention. Governed by a nine-member citizen board, WLSSD is a special purpose subdivision of the State of Minnesota. Its legislative boundaries include the ...O&M Supervisor, Solid Waste at Western Lake Superior Sanitary District. Joining WLSSD in 2002, Tim Lundell oversees WLSSD solid waste facilities and services including the organization’s regional solid waste transfer st ation, Materials Recovery Center, Household Hazardous Waste Facility providing local and regional hazardous waste collection programs, Source-Separate Organics Composting ...WLSSD's Materials Recovery Center (MRC) is a facility where residents and businesses can recycle or dispose of many wastes. It is WLSSD's goal to reuse, recycle or recover as much material as possible, reducing the amount of waste sent to landfills. The MRC is a self-service facility. Visitors stop first at the gatehouse where WLSSD staff ...We are currently hiring for a Systems Administrator at WLSSD. Follow the link below, otherwise go to wlssd.com and click on the careers tab. https://lnkd.in/e5FVy3cK. Homepage - WLSSD2022 Minnesota Statutes · Chapter 458D · CHAPTER 458D. WESTERN LAKE SUPERIOR SANITARY DISTRICT ...WLSSD handles sewage from 16 communities and several major companies. In Duluth, extra water was diverted successfully into storage basins throughout the city, but nearby Proctor wasn't so lucky.Western Lake Superior Sanitary District Application to Collect Solid Waste and Recyclables (2022 - 2024) The WLSSD Solid Waste Ordinance states, "No person may collect or transport mixed municipal solid waste or recyclable materials within WLSSD without first being granted a license to do so by the District"About 140,000 people make their homes in the Western Lake Superior Sanitary District’s 530-square-mile service area; 109,000 people are connected to the regional sewer system. WLSSD employs about 105 people to provide wastewater and solid waste services. WLSSD’s main campus at 27th Avenue West in Duluth spans 40 acres. Wastewater and Water ...Check www.wlssd.com to confirm the extra days before visiting us. Bonus tip: If our MRC site on Rice Lake Road is more convenient, you can drop off yard waste and brush there, and also buy bagged Compost.At the time of application submission, you need to attach a copy of the supporting documentation listed for the option that applies to you. Pursuant to state law RCW 41.04.005 and RCW 41.04.010, special credit will be added to passing scores of qualified veterans on open examinations, when applicable. Applying for Careers at WLSSD WLSSD uses a ...If you are searching for the Wlssd Hours then must check out reference guide below : Skip to content. All Business Hours Menu. Contact Us; About Us; Homepage; Wlssd Hours. July 25, 2023 July 18, 2023 by Charles.Western Lake Superior . Sanitary District. Today is: Wednesday, October 11, 2023 . Outlook Office 365. Public Web Site . Remote Desktop Services Western Lake Superior Sanitary District (WLSSD) provides wastewater and solid waste services and oversight for a 530 square mile region around Duluth, Minnesota that includes the cities of Duluth, Cloquet, Hermantown, Proctor, Carlton, Scanlon, Thomson and Wrenshall, and nine surrounding townships. Western Lake Superior Sanitary Districtsanitary district pre-chp - mist elimination wlssd wastewater treatment facility duluth, minnesota wlssd bid no.... sanitary district pre-chp - mist elimination wlssd wastewater treatment facility duluth, minnesota wlssd bid no. great lakes press. news; crimes; sports; mission; may 22, 2021. official notice to bidders western lake superior ...WESTERN LAKE SUPERIOR SANITARY DISTRICT SOLID WASTE ORDINANCE REVISED AUGUST 2018 . i August 27, 2018 S:\SOLID WASTE\Enforcement and Compliance\Solid Waste Ordinance\SW Ordinance Update 2018\12T214403-Revised 2014 Solid Waste Ordin-Aug 18_CLEAN.docx TABLE OF CONTENTSWLSSD will be making an increased request in the 2023 legislative session to cover half of the funding necessary to renovate all four clarifiers. We need your support now to ensure the continuation of clean water for environmental protection and public health.Thomson Township has made good with the Western Lake Superior Sanitary District in the effort to reduce the amount of rainwater seeping into the sanitary sewage system. 99¢/month for 3 months ...WLSSD's online pressroom is designed for journalists and media professionals. Here, you'll find background on the organization, its facilities and programs as well as organizational news releases and other resources for journalists related to WLSSD. If you have an information inquiry, please contact us. Media Resources available in WLSSD ...Reserve a Waste-Free Event Kit at least a week in advance of your event (Please allow more time for larger events to ensure availability of materials). Pick up kit materials at WLSSD's Administration Offices, set up bins and signage at your event, then return the kit, recycle your recyclables (curbside or at your nearest Rural Recycling Site ...The Western Lake Superior Sanitary District (WLSSD), a nationally recognized leader in environmental protection and pollution prevention, has a full-time opening for a Senior Wastewater… Read moreIn 1995, the Western Lake Superior Sanitary District (WLSSD) installed two (2) Vulcan Industries Mensch reciprocating rake (climber) bar screens at its wastewater treatment facility located in Duluth, Minnesota. The screens were installed in 8' wide channels with 3/4-inch bar spacing. Twenty years later, the District began taking steps to tighten the bar spacing to […]RFB #23-067 Wake County Rural Center Repaving. Due Date/Time: October 12, 2023 by 3:00 pm. Pre-Bid Conference: September 28, 2023 at 10:00 am - WC Rural Center - 4021 Carya Dr #160, Raleigh, NC 27610. Contact: Tommy Moorman [email protected] operates a year-round organics composting facility where food waste from businesses, institutions, and residents is turned into Garden Green® Compost, a high quality soil amendment. Nutrients from the food scraps are recycled to build healthy soil, grow more food, and help flowers and trees flourish instead of being wasted and buried in ...Borrow a FREE kit to make your next event waste-free. Products by WLSSD: Garden Green Compost®, Field Green Fertilizer®, free products/materials for reuse, and …WLSSD to Host Collection Event for Unwanted Medication this Friday . Duluth, MN – Western Lake Superior Sanitary District (WLSSD) will host a free collection event for unwanted or expired medications at its regional Household Hazardous Waste Facility on Friday, April 29 from 9:00 am to 4:00 pm.WLSSD. 1525 次赞· 61 人在谈论. WLSSD provides wastewater and solid waste ... 切换至基本移动版网站。 Facebook wordmark. 登录. WLSSD 的照片. 18 张照片.Holidays Closed: New Years Day; Presidents Day; Memorial Day; Independence Day; Labor Day; Veterans Day; Thanksgiving and Day After; Christmas Eve and Christmas DayDULUTH, MN—Western Lake Superior Sanitary District (WLSSD) continues to deal with the aftermath of a critical failure in its Secondary Clarifier #2 in October of 2022. This clarifier remains inoperable pending a mid to late summer delivery of replacement of the new center well pipe. In the interim, WLSSD completed an inspection of the ...WLSSD asks residents to ensure sump pump and drain discharges are directed away from foundations to reduce sewer overflows. Jana Hollingsworth is a reporter covering a range of topics in Duluth ...A WLSSD operator suggested using the Syrinix PIPEMINDER-C* transient monitoring system, which he had seen at a conference. He noted the Syrinix unit's ability to measure high-resolution transients, down to an absolute vacuum (-14.50 psi gauge), together with its portability, ease of use, and robust support.A WLSSD operator suggested using the Syrinix PIPEMINDER-C* transient monitoring system, which he had seen at a conference. He noted the Syrinix unit’s ability to measure high-resolution transients, down to an absolute …Western Lake Superior Sanitary District (WLSSD) provides wastewater and solid waste services and oversight for a 530 square mile region around Duluth, Minnesota that …SECTION 01060. SAFETY AND HEALTH ON WLSSD PROJECTS. 1.01 DESCRIPTION OF WORK. A. Initiate, maintain, and supervise safety and health precautions and programs in connection with the work as specified in the Contract Documents. Take necessary precautions for the safety of, and provide the necessary protection to prevent damage, injury or loss to ...DULUTH, MN—Western Lake Superior Sanitary District (WLSSD) Board of Directors approved its 2022 operating and capital budgets at its regular Board meeting last night. The Sanitary Board approved a 4.11% increase in wastewater charges as WLSSD restores operating and capital budgets back to levels similar to 2020. "We have all been ...Legal Name: WESTERN LAKE SUPERIOR SANITARY DISTRICT. WLSSD is an Interstate DOT registered company based in DULUTH MN. US DOT Number: 810290. The company operates 5 power unit(s) and 10 driver(s). The company has been registered US DOT since 12-MAY-99. MCS-150 Vehicle Mileage reported in 2014 was 100,000.WLSSD is responsible for the effective wastewater and solid waste management within its legislative boundaries. In order to carry out its purpose defined in WLSSD’s enabling legislation , the Minnesota Legislature assigned the WLSSD Board of Directors the functions of planning, operating and regulating.Proper Disposal • Bring residential-sized appliances to the WLSSD Materials Recovery Center for disposal ($5/each; one free microwave daily), or contact your local transfer station,…The Western Lake Superior Sanitary District treatment plant in Duluth on May 18, 2021. Steve Kuchera / File / Duluth News Tribune. By Peter Passi. May 09, 2023 at 5:58 PM. ShareWLSSD conducted a study during the summer of 2003 to document odor strength, extent and duration at agricultural land application sites. METHODOLOGY Odor measurements were recorded at all of the WLSSD land application sites receiving biosolids between May 16 and July 16, 2003. Using a field olfactometer, the odor strength was measured১০ মে, ২০২৩ ... “You're already going to be disrupting this neighborhood, opening up this infrastructure.” Together with the proximity to WLSSD, “everything is ...OFFICIAL NOTICE TO BIDDERS WESTERN LAKE SUPERIOR SANITARY DISTRICT PLANT WATER FILTRATION IMPROVEMENTS WLSSD WASTEWATER TREATMENT FACILITY DULUTH, MINNESOTA WLSSD BID NUMBER 1442 OWNER AND WORK ...WLSSD Household Hazardous Waste Facility, open Thursdays, Fridays and Saturdays, 9 a.m. to 4 p.m. WLSSD Yard Waste Compost Site, open Thursdays through Mondays, 9 a.m. to 4 p.m. until we close for the season on November 16.We got to hang out with the crew from University for Seniors, University of Minnesota Duluth this week. We covered all the bases when it came to...All entries become the property of WLSSD and will not be returned. WLSSD is not responsible for entries not received due to difficulty accessing the internet, service outage or delays, computer difficulties and other technological problems. WLSSD is not responsible for lost, late, illegible, misdirected, mutilated, postage-Mar 22, 2023 · The Western Lake Superior Sanitary District, commonly referred to as WLSSD, relies on four secondary clarifiers, where solids precipitate from the wastewater and are removed to allow for further ... WLSSD treats nearly 40 million gallons of wastewater every day. It is the largest single point source discharger of water on the U.S. side of Lake Superior, and Lake Superior is the largest fresh water lake by surface area in the world!

WebSite: wlssd.com; Headquarters: DULUTH, MN; Size: 25 - 50; Founded: 0; Type: Private; Revenue: $10M - $50M; Industry: Energy & Utilities. 2 stroke carburetor hoses diagram

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Western Lake Superior Sanitary District pays an average hourly rate of $279 and hourly wages range from a low of $244 to a high of $323. Individual pay rates will, of course, vary depending on the job, department, location, as well as the individual skills and education of each employee.The WLSSD has a demand for their biosolids from nearby agricultural customers, many of which are located less than 30 miles away from the treatment facility. Haulage cost for WLSSD is a major economic consideration in delivering biosolids to a landspreading site. Dewatering their biosolids lowers haulage costs.WLSSD Household Hazardous Waste Facility, open Thursdays, Fridays and Saturdays, 9 a.m. to 4 p.m. WLSSD Yard Waste Compost Site, open Thursdays through Mondays, 9 a.m. to 4 p.m. until we close for the season on November 16.WLSSD also provides yard waste composting at their facility and sells their great Garden Green composted soil. For more information on Western Lake Superior ...Lakeside residents now have convenient access to a food scrap drop site thanks to site host Lake Superior Brewing, 5324 E Superior St, Duluth.Western Lake Superior Sanitary District (WLSSD) is committed to preventing pollution and protecting the environment, including the region’s most precious resource –Lake Superior. WLSSD treats all municipal and industrial sewage in the Duluth-Cloquet area. Wastewater Biosolids. For example, you'd need one cubic yard to cover an 8×20 ft. garden bed (160 sq. ft.) with 2 inches of compost: 160 sq. ft. x 2" x .0031 = .992 cubic yard of compost (about 1 cubic yard) Adding Garden Green® compost to soil provides long-lasting benefits evident in healthy, resilient gardens and grass grown with WLSSD's premium compost.Banned from the Garbage. Several items are banned from the trash within the WLSSD service area. These items have been banned by state, federal and district laws and regulations because they contain hazardous materials, are recyclable, or simply have better uses than being put into a landfill. WLSSD’s Materials Recovery Center and Household ...Holidays Closed: New Years Day; Presidents Day; Memorial Day; Independence Day; Labor Day; Veterans Day; Thanksgiving and Day After; Christmas Eve and Christmas DayThe WLSSD website allows you to see how the plant works. You can also see current values for the wastewater flow (mgd = million gallons per day) and the influent and effluent temperature, turbidity, pH and the effluent's dissolved oxygen concentration. Such organizations as WLSSD Household Hazardous Waste (HHW) Facility are involved in the removal of waste materials. Waste management has become quite important in recent years. It is important that the waste generated by a company is channeled and, if possible, recycled appropriately so that the potentially dangerous …Using Clean Shop Services. Call Clean Shop staff at (218) 726-1602 to confirm eligibility, or email [email protected]. If you are a new business customer and do not have a Very Small Quantity Generator (VSQG) license number issued by the State of Minnesota, consult the Minnesota Pollution Control Agency’s Hazardous Waste License ... Western Lake Superior Sanitary District (WLSSD) 2626 Courtland St., Duluth, Minnesota 55806. Address 2626 Courtland St., Duluth, Minnesota 55806. Phone 218-722-3336. Visit Website. Location Type. Professional & Technical Services.WLSSD will make copies of public data for a fee as follows: 100 or fewer letter or legal sized pages $.25 per copy single sided; $.50 per copy double sided, black and white. 101 or more letter or legal sized pages The actual cost of searching for and retrieving the data, plus the actual cost ofThe Western Lake Superior Sanitary District (WLSSD) is located on the western shore of Lake Superior in Duluth, Minnesota. Five years ago, the WLSSD undertook a major change in its biosolids ....

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