January 24, 2017 2:45 pm

Lead levels in Flint’s water system now fall below the federal limit

In this March 21, 2016 file photo, the Flint Water Plant water tower is seen. (AP Photo/Carlos Osorio, File)

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LANSING, Mich. – Flint’s water system no longer has levels of lead exceeding the federal limit, a key finding that Michigan state environmental officials said Tuesday is good news for a city whose 100,000 residents have been grappling with the man-made water crisis.

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The 90th percentile of lead concentrations in Flint was 12 parts per billion from July through December – below the “action level” of 15 ppb, according to a letter from the Michigan Department of Environmental Quality to Flint’s mayor. It was 20 ppb in the prior six-month period.

READ MORE: 6 Michigan state employees charged with misconduct in Flint water crisis

Flint’s lead levels are again comparable to other U.S. cities, state officials told Associated Press ahead of an official announcement.

“This is good news and the result of many partners on the local, county, state and federal levels working together to restore the water quality in the City of Flint,” Michigan Department of Environmental Quality Director Heidi Grether said in a statement.

“The Flint water system is one of the most monitored systems in the country for lead and copper, and that commitment will remain to ensure residents continue to have access to clean water.”

WATCH: Test results show 50 to 80 per cent less lead in the drinking water in Flint

Residents, whose mistrust in government remains high nearly three years after a fateful switch of the city’s water source in April 2014, are being told to continue using faucet filters or bottled water because an ongoing mass replacement of pipes could spike lead levels in individual houses.

Flint’s public health emergency began when officials failed to properly treat lead lines for corrosion.

READ MORE: Ontario premier offers province’s clean water expertise to help Flint, Michigan

The state acknowledged the lead problem in October 2015. Lead from old pipes leached into the water supply because corrosion-reducing phosphates were not added due to an incorrect reading of federal regulations.

Elevated levels of lead, a neurotoxin, were detected in children, and 12 people died in a Legionnaires’ disease outbreak that experts suspect was linked to the improperly treated water.

WATCH: Obama takes a sip of Flint filtered water to show that it can be safe to drink

Gov. Rick Snyder has apologized for the crisis that has largely been blamed on his administration.

“The remarkable improvement in water quality over the past year is a testament to all levels of government working together and the resilient people of Flint helping us help them through participation in the flushing programs,” he said in a statement. “There is still more work to do in Flint, and I remain committed to helping the residents recover and restore their city.”

© 2017 The Canadian Press

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