What's in OWOSSO, CITY OF's water?
OWOSSO, CITY OF had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 16,353 people through 6,340 service connections.
OWOSSO, CITY OF's record against the rest of the country
OWOSSO, CITY OF has 6 violations on record in total, 1 of them health-based - ranking it 8,552th of 12,903 systems by violation count, the 34th percentile nationally.
How OWOSSO, CITY OF compares within MI
MI's 390 covered systems average 1.3 health-based violations each; OWOSSO, CITY OF carries 1, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for OWOSSO, CITY OF is from 2023-02-10 (health-based: 2023-01-11). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
OWOSSO, CITY OF's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Revised Total Coliform Rule
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what OWOSSO, CITY OF reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and OWOSSO, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 8,552th of 12,903 by violation count. The guide to what this data misses covers that gap.