A drinking water advisory was issued on July 26 after toxic per- and polyfluorinated substances were found entering the Parchment water supply at levels 20 times greater than a state and federal health standard.
Levels of the toxic compounds are still present in homes connected to the water system, which includes residences in Parchment and Cooper Township.
Tests for PFOS and PFOA, two compounds among a larger collection of PFAS substances linked to various health risks in adults and children, found levels below the EPA lifetime health advisory of 70 parts per trillion.
Rounds of testing began after contaminated Parchment water was flushed and Kalamazoo started supplying water.
Results from Aug. 15 samples showed 24-33 ppt of total PFAS.
Thursday, MDEQ released results from 50 tests taken to find per- and polyfluorinated compounds, known collectively as PFAS, lingering after the Parchment water system was flushed of highly contaminated water.
So far, Parchment is the only municipal supply where levels greater than 70 ppt were found.
Two Kalamazoo baseload stations feeding Parchment’s water system found total PFAS between 9-19 ppt.
Eight single-family homes were tested for lead and copper on three occasions.
An additional 12 homes were included in Parchment’s lead and copper program, but homeowners could not be reached.

UNITED NATIONS, Aug. 27 (Xinhua) — A UN report published Monday finds that nearly 570 million children around the world do not have access to drinking water at school.
The first-ever global assessment of water and sanitation in schools, which was conducted by the World Health Organization and the United Nations Children’s Fund (UNICEF), shows that 620 million children do not have decent toilets at school and around 900 million cannot wash their hands properly.
The report adds that nearly half, or 47 percent, of the schools, do not provide soap for children.
Researchers also find that children at nursery and primary schools are less likely to have access to clean water and toilets than children at secondary school.
The report warns that this affects young children at an important time for their "cognitive and physical development and growth," adding that diarrhea caused by dirty water and poor toilets kills a child under the age of five every two minutes.
The report underlines the importance of hygiene and sanitation facilities in schools, particularly for girls, who are more likely to attend school and complete their education if these facilities are in place.
One of the sustainable development goals of the United Nations is that all people should have access to decent water and sanitation by 2030.
This means that all households, schools, health care facilities and workplaces should be equipped with decent water and sanitation by then.
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UNITED NATIONS, Aug. 27 (Xinhua) — A UN report published Monday finds that nearly 570 million children around the world do not have access to drinking water at school.
The first-ever global assessment of water and sanitation in schools, which was conducted by the World Health Organization and the United Nations Children’s Fund (UNICEF), shows that 620 million children do not have decent toilets at school and around 900 million cannot wash their hands properly.
The report adds that nearly half, or 47 percent, of the schools, do not provide soap for children.
Researchers also find that children at nursery and primary schools are less likely to have access to clean water and toilets than children at secondary school.
The report warns that this affects young children at an important time for their "cognitive and physical development and growth," adding that diarrhea caused by dirty water and poor toilets kills a child under the age of five every two minutes.
The report underlines the importance of hygiene and sanitation facilities in schools, particularly for girls, who are more likely to attend school and complete their education if these facilities are in place.
One of the sustainable development goals of the United Nations is that all people should have access to decent water and sanitation by 2030.
This means that all households, schools, health care facilities and workplaces should be equipped with decent water and sanitation by then.

Nearly half the world’s schools lack clean drinking water, toilets and handwashing facilities, putting millions of children at risk of disease, experts warned on Monday.
Almost 900 million children have to contend with a lack of basic hygiene facilities during their education, putting their health at risk and meaning some have to miss school.
“You can’t have a quality learning environment without these basics,” said Dr Rick Johnston of the World Health Organization, a lead researcher on the project.
“Children may not come to school at all if there’s no toilets … Then, when they are at school, they are not going to at their very best if they not able to use a decent toilet or if they are not properly hydrated.” World leaders have signed up to global pledges to provide safe water and hygiene facilities for all and ensure every child gets a comprehensive education by 2030 under the UN’s sustainable development goals.
It found nearly a third of primary and secondary schools lacked a safe and reliable drinking water supply, affecting nearly 570 million children.
Nearly 20 per cent of schools had no safe drinking water at all.
Just over a third of schools lacked adequate toilet facilities, affecting more than 620 million children.
Sub-Saharan Africa, East and Southeast Asia had some of the worst facilities.
“It’s deeply shocking,” Tim Wainwright, the chief executive of charity WaterAid, told the Thomson Reuters Foundation.
More than a third of girls in South Asia miss school during their periods, often because they lack access to toilets or pads, according to a WaterAid and UNICEF study earlier this year.

LONDON (Thomson Reuters Foundation) – Nearly half the world’s schools lack clean drinking water, toilets and handwashing facilities, putting millions of children at risk of disease, experts warned on Monday.
Almost 900 million children have to contend with a lack of basic hygiene facilities during their education, putting their health at risk and meaning some have to miss school.
“You can’t have a quality learning environment without these basics,” said Dr Rick Johnston of the World Health Organization, a lead researcher on the project.
“Children may not come to school at all if there’s no toilets … Then, when they are at school, they are not going to at their very best if they not able to use a decent toilet or if they are not properly hydrated.” World leaders have signed up to global pledges to provide safe water and hygiene facilities for all and ensure every child gets a comprehensive education by 2030 under the UN’s sustainable development goals.
It found nearly a third of primary and secondary schools lacked a safe and reliable drinking water supply, affecting nearly 570 million children.
Just over a third of schools lacked adequate toilet facilities, affecting more than 620 million children.
Nearly 900 million children were affected, the report found.
Sub-Saharan Africa, East and Southeast Asia had some of the worst facilities.
More than a third of girls in South Asia miss school during their periods, often because they lack access to toilets or pads, according to a WaterAid and UNICEF study earlier this year.
Visit news.trust.org to see more stories.

Upper Dublin School District is pledging to test water at all their schools and install carbon filters on water fountains.
NORRISTOWN, Pa. (KYW Newsradio) — Amid ongoing concerns of chemicals found in drinking water around the naval air bases, a Montgomery County school district is taking steps to try to protect students.
Upper Dublin School District is pledging to test water at all their schools, install carbon filters on water fountains, while also telling students and parents to bring bottled water.
According to State Representative Todd Stephens, Maple Glen Elementary is the only school in the Upper Dublin School District that gets water from providers that have shown a level of PFC, which studies show may be connected to several health issues, including liver damage, high cholesterol, and thyroid disease.
Stephens says filters aren’t enough.
Schools should provide bottled water.
“So they can shut down the water fountains," he said, "and I think they need to shut down the cooking sinks as well.” Ginny Vitella, a mom of three in the district, says she feels not enough is being done.
“At the high school, they’re filling up five-gallon jugs of water and bringing them out to the field," she said, "and that’s just going to be out of the tap water.” Water from Aqua and Ambler Borough has shown levels of PFCs.
Horsham, Warminster and Warrington have installed installed filters to remove detectable levels.

The residents of district headquarters are experiencing peak summer in the rainy season.
The residents who were used to getting drinking water supplied daily are now facing a shortage with water being supplied once in two days and some places it is more irregular, due to the main source of drinking water for Sangareddy and Hyderabad — Manjeera Dam — going dry.
The Manjeera reservoir has to get water from Singoor which has not yet received any inflows due to lack of sufficient rains in Karnataka, which was the catchment area for the project.
To add to the woes, existing water in Singoor was diverted to Mid Manair project in Karimnagar district to save the standing crops there.
The scarcity of water in Singoor is adversely impacting the needs both drinking water and irrigation.
As on Saturday, Singoor has 517.22 m of water against the full reservoir capacity of 523.6 m. As on Saturday the reservoir had 7.591 tmcft against the full reservoir capacity of 29.917 tmcft.
“Manjeera has already dried up and hence we are supplying water once in two days.
The officials have informed us that they were making efforts to supply water from Mission Bagiratha to the district headquarters by providing a connection from Singoor reservoir.
Prasada Rao told The Hindu .
While there are heavy rains across the State here the situation is quite contrasting,” said an officer in Irrigation Department.

The residents of district headquarters are experiencing peak summer in the rainy season.
The residents who were used to getting drinking water supplied daily are now facing a shortage with water being supplied once in two days and some places it is more irregular, due to the main source of drinking water for Sangareddy and Hyderabad — Manjeera Dam — going dry.
The Manjeera reservoir has to get water from Singoor which has not yet received any inflows due to lack of sufficient rains in Karnataka, which was the catchment area for the project.
To add to the woes, existing water in Singoor was diverted to Mid Manair project in Karimnagar district to save the standing crops there.
The scarcity of water in Singoor is adversely impacting the needs both drinking water and irrigation.
As on Saturday, Singoor has 517.22 m of water against the full reservoir capacity of 523.6 m. As on Saturday the reservoir had 7.591 tmcft against the full reservoir capacity of 29.917 tmcft.
“Manjeera has already dried up and hence we are supplying water once in two days.
The officials have informed us that they were making efforts to supply water from Mission Bagiratha to the district headquarters by providing a connection from Singoor reservoir.
Prasada Rao told The Hindu.
While there are heavy rains across the State here the situation is quite contrasting,” said an officer in Irrigation Department.

Jerry Brown and state lawmakers are rebooting an effort to pass a new tax to attack unsafe drinking water in California.
After calling off a plan in June to apply a mandatory tax on water bills, the governor is backing a new pair of bills that would apply a voluntary levy on ratepayers to fund safe drinking water projects.
protected by reCAPTCHA Privacy – Terms Privacy – Terms “These bills are now the Legislature’s best opportunity to bring clean and safe drinking water to the nearly 1 million Californians who cannot drink the water that comes out of their faucets,” said Monning, a Carmel Democrat.
The state has reported that more than 1 million residents face potential exposure to unsafe water, largely in low-income communities without the funding to fix the problems.
SB 845 establishes the voluntary tax on water bills and would only require support from a majority of state lawmakers.
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Every day, reporters at The Sacramento Bee are investigating and researching the business of politics in California, breaking down the stories, the constituencies and the impacts of these decisions so you don’t have to.

Tap water in more than 30 communities across the country has dangerously high levels of PFAS.
Flickr / HereStanding A class of industrially produced chemicals called PFAS are found in many products, including cosmetics, fire-retardant foams, and food packaging.
Almost everyone in the industrialized world has some of these so-called "forever chemicals" in their blood.
But scientific evidence suggests they may also be linked with cancer and other serious health issues.
More than 30 communities across the US have water sources that are contaminated with dangerously high levels of PFAS chemicals.
Other states put the safe drinking threshold much lower when they test for the five most ubiquitous PFAS chemicals.
Lauren Woehr hands her 16-month-old daughter Caroline a cup filled with bottled water at their home in Horsham, Pennsylvania, where levels of PFAS in the taps have been too high.
But if you’re worried, check out the EPA’s annual drinking water report.
"You all made me out to be a liar," Hagey reportedly told Environmental Protection Agency officials.
US Environmental Protection Agency officials at a meeting in Horsham, Pennsylvania last month.