114 tests were conducted. 23 had levels above the allowed limit of 20 ppb in public schools [known as Action Level] A ppb is part per billion.
29 samples were collected. 4 had levels above the allowed limit of 20 ppb for public schools.
2 samples were collected and tested. Both samples measured below the allowed limit in public schools of 20 ppb and the water coming from these faucets is usable.
Click on the document to read the latest results of CMS lead testing
All County school results can be found on this AACPS page: School Information / Water Safety Testing Results