What's in MCFARLAND, CITY OF's water?
MCFARLAND, 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. Population served: 14,161, over 2,849 connections.
How this compares nationally
96 total violations and 42 health-based ones put MCFARLAND, CITY OF at the 97th percentile nationally for violation burden, rank 348 of 12,903.
How MCFARLAND, CITY OF compares within CA
MCFARLAND, CITY OF's 42 health-based violations sit above 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 MCFARLAND, CITY OF is from 2026-05-10 (health-based: 2025-01-10). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
MCFARLAND, 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: Coliform (TCR)
- Nitrate / nitrite - flagged from: Nitrate
- Other regulated metals - flagged from: Arsenic
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 MCFARLAND, 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. This record - 42 health-based violations on file for MCFARLAND, CITY OF - 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.