CONCORDIA WATERWORKS DISTRICT 1: EPA violation history, explained
CONCORDIA WATERWORKS DISTRICT 1 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 6,921 people through 2,307 service connections.
How this compares nationally
CONCORDIA WATERWORKS DISTRICT 1 has 5 violations on record in total, 3 of thems health-based - ranking it 5,536th of 12,903 systems by violation count, the 57th percentile nationally.
How CONCORDIA WATERWORKS DISTRICT 1 compares within LA
CONCORDIA WATERWORKS DISTRICT 1's 3 health-based violations sit within the LA average of 12.6, across 347 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 CONCORDIA WATERWORKS DISTRICT 1 is from 2023-05-05 (health-based: 2023-05-05). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
CONCORDIA WATERWORKS DISTRICT 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: 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 this data is and is not
Everything on this page is CONCORDIA WATERWORKS DISTRICT 1's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for CONCORDIA WATERWORKS DISTRICT 1 - 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.