Johns Hopkins University, MD

No lead results on file with EPA

Latest 90th-percentile lead: no result on file. The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. EPA's database has no Lead and Copper Rule results for this system. Without them there is nothing to go on, so a tap test is the only way to know.

Johns Hopkins University at a glance

Johns Hopkins University serves about 2,058 people through 7 service connections, which makes it a small system under EPA's size classes. It is under mixed public and private ownership and draws surface water, in Baltimore City County, Maryland. EPA system ID: MD0300007; phone on file: 610-716-2816. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.

Nearby utilities

3 other systems share Baltimore City County. If you are unsure which one supplies your house, the name on your water bill decides it.

Next steps for Baltimore, MD

Test your own tap with a certified lab first-draw sample; Baltimore, MD may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Johns Hopkins University whether it covers that cost before hiring anyone - many utilities now do.

These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.