- EPA's UCMR 5 testing looked for 30 contaminants here and found none.
- Lead: 9 in 10 homes tested came in at or below 8 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2026–Dec 31, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
Public EPA test results
What EPA records show for Bay City, City of
EPA system ID MI0000470 · serves Bay City, MI · about 32,255 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Bay City, City of (EPA MI0000470)
What EPA records show for Bay City, City of, as of October 14, 2026
Health-standard violation: Lead and Copper Rule, Lead and Copper Rule, Jan 2024–Dec 2024 (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 8 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2026–Dec 31, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found none.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Bay City, City of use chloramine?
We didn't find chloramine in Bay City, City of's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)