For instructions on how to use our data dashboards, please see our dashboard tool page.
Data Notes
This iteration of the data dashboard contains data collected from April 2022-August 2025. The data does not contain test results from external contracted testing outside of DOH, e.g., schools who have done sampling through contractors. Please contact the school district directly for complete testing data.
Schools can be tested in multiple school years, so the number of schools tested per school year will not add up to the number of unique schools tested since 2022.
Results shown include all types of sampling, including post remediation sampling. Sampling type is not identified in the data for all samples.
For analytic purposes, test results that come in as “<1ppb” are treated as a 0.
Definition
Site Reason for Visit
- Initial Testing: Baseline lead level testing for the fixture.
- Post-Remediation Testing: Follow up testing of fixture once remediation activities have been completed.
- Confirmation Testing: Retesting of an outlet prior to remediation due to a sampling error.