SUPERIOR MD NO 1: EPA violation history, explained
SUPERIOR MD NO 1 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 17,900, over 3,778 connections.
SUPERIOR MD NO 1's record against the rest of the country
53 total violations and 5 health-based ones put SUPERIOR MD NO 1 at the 73th percentile nationally for violation burden, rank 3,434 of 12,903.
Against the CO average
Among the 230 CO systems in this dataset, the average is 3.0 health-based violations - SUPERIOR MD NO 1's 5 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
SUPERIOR MD NO 1's most recent violation on record is dated 2021-01-12, with the most recent health-based one dated 2021-01-12. Last reported to EPA: 06/17/2026.
The concern categories on record
SUPERIOR MD NO 1'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: Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
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 SUPERIOR MD NO 1's record does not cover
Everything on this page is SUPERIOR MD NO 1'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 SUPERIOR MD NO 1's customers' taps is household plumbing, invisible to a system-level record ranked 3,434th of 12,903 by violation count. The guide to what this data misses covers that gap.