What's in GREENFIELD, CITY OF's water?
GREENFIELD, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 18,967, over 3,880 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, GREENFIELD, CITY OF ranks 8,441th by violation burden (35th percentile) - 7 violations total, 1 health-based.
Against the CA average
CA's 803 covered systems average 5.8 health-based violations each; GREENFIELD, 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
GREENFIELD, CITY OF's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2007-01-05. Last reported to EPA: 06/22/2026.
The concern categories on record
GREENFIELD, 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)
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 GREENFIELD, CITY OF's record does not cover
Everything on this page is GREENFIELD, CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and GREENFIELD, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 8,441th of 12,903 by violation count. The guide to what this data misses covers that gap.