What's in SOUTH HOLLAND's water?
SOUTH HOLLAND 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 22,000 people through 9,214 service connections.
Ranked against every other system in this dataset
23 total violations and 5 health-based ones put SOUTH HOLLAND at the 72th percentile nationally for violation burden, rank 3,558 of 12,903.
Against the IL average
Among the 560 IL systems in this dataset, the average is 5.0 health-based violations - SOUTH HOLLAND's 5 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
SOUTH HOLLAND's most recent violation on record is dated 2025-01-07, with the most recent health-based one dated 2022-01-06. Last reported to EPA: 05/27/2026.
The concern categories on record
SOUTH HOLLAND'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:
- Lead & copper - flagged from: Lead and Copper Rule
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What SOUTH HOLLAND's record does not cover
Everything on this page is SOUTH HOLLAND'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 SOUTH HOLLAND's customers' taps is household plumbing, invisible to a system-level record ranked 3,558th of 12,903 by violation count. The guide to what this data misses covers that gap.