Is LEYDEN TWSP WATER DISTRICT's water safe to drink?
LEYDEN TWSP WATER DISTRICT has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 10,000 people get their water from it, across 2,973 connections.
Ranked against every other system in this dataset
18 total violations and 3 health-based ones put LEYDEN TWSP WATER DISTRICT at the 61th percentile nationally for violation burden, rank 5,059 of 12,903.
How LEYDEN TWSP WATER DISTRICT compares within IL
LEYDEN TWSP WATER DISTRICT's 3 health-based violations sit within the IL average of 5.0, across 560 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for LEYDEN TWSP WATER DISTRICT is from 2022-06-12 (health-based: 2007-01-05). Last reported to EPA: 05/27/2026.
What kind of problem, specifically
LEYDEN TWSP WATER DISTRICT'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)
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
LEYDEN TWSP WATER DISTRICT's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Between the utility's meter and LEYDEN TWSP WATER DISTRICT's customers' taps is household plumbing, invisible to a system-level record ranked 5,059th of 12,903 by violation count. The guide to what this data misses covers that gap.