8 Arvada Press
February 15, 2018F
Managing iron and manganese in Arvada’s water Officials stress the water is safe to drink
solved state. The treatment to change and the iron and plant must then put chemimanganese to release off the cals into the water to make side of the pipe. the minerals a solid. From That’s what was hapthere they remove the minerpening in August, when BY SHANNA FORTIER als and also need to remove residents reported seeing an SFORTIER@COLORADOCOMMUNITYMEDIA.COM the chemicals before sending increase in discoloration. the water into the drinking At the time, the city perIn the spring and fall of supply. formed a controlled flush of 2017 many Arvada residents “We need to be careful how the water mains to scour the reported a discoloration in much chemicals we put in inside of the pipe. The pipes the water. on the front end to facilitate routinely get flushed and The discoloration was the change of state because caused by manganese, a min- cleaned every three years. you need to take it out at the Deeds said it will take eral that is naturally present end,” Deeds said. several seasons of flushing, in most Colorado lakes and The city recently hired a streams. But even in a discol- up to 12 years, before the consulting firm to help deproblem can be fully elimiored state, the water is safe termine the most cost-effecnated. to drink. tive way to fix the problem. Every water system is Cliff Deeds, water system The water quality firm, unique in the way it delivmanager for the city of ArCorona Environmental ers water and Deeds said vada, explains that iron and Consulting, was hired to the mixing of the two water manganese are two minerconsult on the Water Treatsources in Arvada tends to als that present themselves ment Facility Master Plan. trigger the event. as discolored and both are The contract for $200,000 was The city of Arvada gets naturally occurring in raw approved during the consent water from both Denver water. agenda at the Jan. 22 City Water’s Ralston Reservoir “Our treatment process Council meeting. and the Arvada Reservoir. have not always been as The discoloration of water All water is then treated in effective as they are now in is one specific issue the firm Arvada. removing those minerals,” To help prevent more build will be looking at, said Jim Deeds said. “Over the years Sullivan, director of utilities up in the pipes, the Arvada pipes get a small buildup for the City of Arvada. Water Treatment Plant is which is solid and sticks to “If we stop or greatly looking for a better way to the pipes.” reduce the amount of minertreat the water. But the proDeeds explained that as als that push through the cess is complicated. the weather heats up, so system then the flushing will The minerals come does the water in the pipes. the water in a dis- 10:27 resolve This causes the chemistry9.625x6through MtnVista Ad LunchAndLearn Feb2018.qxp_Layout 1 2/9/18 AM Pagethe 1 problem forever,”
Arvada man headed to jail for a year for trying to mail marijuana
Deeds said. Sullivan stressed that the water, even in a discolored state, is safe to drink. The most recent water samples taken, Aug. 29, detected manganese levels between 0.025 and 0.035 milligrams per liter (parts per million), below the regulatory standards of 0.05 milligrams per liter. In fact, Arvada’s 2017 water quality report showed city water to not have any water quality violations. While the discoloration generally happens in the fall, it was seen in the spring last year as well. Sullivan suggests that if a resident does have discolored water at their residence, they should call the city’s water quality department at 720-898-7800. They will then evaluate the situation to determine if it is localized or a larger issues and if flushing should happen. “We want to be proactive and responsive to customers,” he said. Residents interested in reviewing the most recent water quality report, can view it at arvada.org/arvada.org/
(AP) — Prosecutors say a Colorado man has been sentenced to one year and a day in federal prison after investigators found 123 marijuana plants at his home. According to a statement issued Thursday by U.S. Attorney Bob Troyer’s office, investigators searched Mark Koenig’s home in Arvada after finding that he had mailed three packages in 2015 and one package in 2016 containing marijuana. Troyer’s office says drug-detecting dogs alerted U.S. Postal Inspectors to each package and they seized between 950 grams and 1.6 kilograms of marijuana from each package. Investigators then searched Koenig’s home in January 2016 and found the plants. Troyer’s office says Koenig pleaded guilty to possession of a federal controlled substance with intent to distribute in October. He was sentenced on Jan. 25.
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