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Lead Water Testing

As you may be aware, on Sept. 6, 2016, Governor Andrew Cuomo signed a new law that requires public schools in New York State to test all potable water sources for lead. Water levels must be below 15 parts per billion (ppb), or the district must take immediate steps to prohibit use and remediate. Initial testing was conducted in October of 2016. As part of the continued monitoring process, re-testing was conducted in March of 2021.

Corinth Central School District contracted with NYS-approved Pace Analytical Services, LLC to conduct the testing. Pace collected a total of 47 samples from Corinth Middle and High School and 80 samples from Corinth Elementary School. The District obtained the lab test result on May 13, 2021. The full results of the water tests can be found below.

Four drinking fountains tested above the New York State Department of Health Action Level at the Oak Street complex and there were no lead levels above 15ppb at the Elementary School. Please note that the outlets in the Middle and High school that had elevated lead levels have been out of service since the beginning of the pandemic. These units will be replaced with new water bottle filling stations.


Water sources with lead contaminants above 15 parts per billion (ppb) cannot be used until follow-up test results show the lead level to be less than 15 ppb.

If a water source is found to have lead levels higher than 15 ppb, the district must:

  • Take immediate steps to prohibit use
  • Provide students and staff with an adequate alternate supply of water for drinking and cooking
  • Develop and implement a lead remediation plan

Districts are required to report results of water testing to the local health department within one business day after receipt. Test results must also be provided in writing to all staff and parents within 10 business days after receiving the report. Remediation plans must be posted on district websites within six weeks of obtaining results.

All school districts must conduct water testing every five years hereafter, or as directed by the NYS Commissioner of Health. All samples will be analyzed by a lab approved by the Department’s Environmental Laboratory Approval Program. 

Lead is a toxic material that is harmful to humans. It can enter potable water when pipes that contain lead corrode. According to the Environmental Protection Agency’s website, the most common problem is with brass or chrome-plated brass faucets and fixtures with lead solder. It is important to note that the term “lead free” refers to the plumbing materials and not to the absence or presence of lead in the water. For instance, structures built after January 4, 2014, when the “Reduction of Lead in Drinking Water Act” went into effect, are considered lead free because they comply with the national mandate that every pipe, fixture, and fitting used to convey water for potable use contain less than 0.25% of lead by weight. 


2021 Elementary School Lead Testing Results

2021 High School Lead Testing Results

May 24, 2017