What's in ROY CITY WATER SYSTEM's water?
ROY CITY WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 38,800 people get their water from it, across 11,267 connections.
ROY CITY WATER SYSTEM's record against the rest of the country
ROY CITY WATER SYSTEM has 174 violations on record in total, 1 of them health-based - ranking it 7,157th of 12,903 systems by violation count, the 45th percentile nationally.
Against the UT average
UT's 145 covered systems average 2.8 health-based violations each; ROY CITY WATER SYSTEM 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
ROY CITY WATER SYSTEM's most recent violation on record is dated 2018-01-12, with the most recent health-based one dated 2017-04-09. Last reported to EPA: 06/17/2026.
The concern categories on record
ROY CITY WATER SYSTEM'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: Groundwater 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 ROY CITY WATER SYSTEM's record does not cover
This is what ROY CITY WATER SYSTEM 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 ROY CITY WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 7,157th of 12,903 by violation count. The guide to what this data misses covers that gap.