MOUNT OLIVE: EPA violation history, explained
MOUNT OLIVE 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: 2,193, over 1,034 connections.
MOUNT OLIVE's record against the rest of the country
MOUNT OLIVE has 60 violations on record in total, 40 of thems health-based - ranking it 380th of 12,903 systems by violation count, the 97th percentile nationally.
How MOUNT OLIVE compares within IL
MOUNT OLIVE's 40 health-based violations sit above the IL average of 5.0, across 560 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 MOUNT OLIVE is from 2027-02-12 (health-based: 2025-01-12). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
MOUNT OLIVE'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); 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 this data is and is not
Everything on this page is MOUNT OLIVE's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 40 health-based violations on file for MOUNT OLIVE - 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.