What's in CITY OF MERCED's water?
CITY OF MERCED has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 93,692, over 24,363 connections.
CITY OF MERCED's record against the rest of the country
Out of 12,903 systems in this dataset, CITY OF MERCED ranks 6,985th by violation burden (46th percentile) - 3 violations total, 2 health-baseds.
How CITY OF MERCED compares within CA
CITY OF MERCED's 2 health-based violations sit within the CA average of 5.8, across 803 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for CITY OF MERCED is from 2001-01-05 (health-based: 2001-01-05). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CITY OF MERCED'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: Coliform (TCR)
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
CITY OF MERCED's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 2 health-based violations on file for CITY OF MERCED - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.