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Community Water System · PWS IL1910020

Jasper Waterworks Corporation

Operator location Fairfield, Illinois - 84% of 38 violations are health-based (upper-third health share (> 23%)); surface water source; 1,578 served per SDWIS.

1,578
People served (this PWS)
38
EPA violations (this PWS)
32
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Jasper Waterworks Corporation standing, mid SDWIS violation third

84% of 38 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 84% is upper-third health share (> 23%). Population rank #15,485 of 29,740 among systems serving 500+.

The verdict

Jasper Waterworks Corporation lands in the middle third by violation volume (38), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,578 (mid served population (≤ 3,309)). Health-based share is 84% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.

#15,485 of 29,740
Population · /systems
#677 of 1,310
Population · IL
38
Total EPA violations on record
84%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Community
Owner Type
Private
Connections
631
County
Wayne
School/Daycare
No
MCL Violations
32
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 24 2024
Coliform (TCR) MCL 8 2004
Coliform (TCR) MR 6 2014

Violation Count vs. the National Corpus

Jasper Waterworks Corporation has 38 recorded EPA violations, 49% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 50% carry more. 84% of this system's own violations are health-based (32 of 38), and it ranks #15,485 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

38 Lower than most fewer violations than 50% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

Health-based violations on Jasper Waterworks Corporation

32 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for IL1910020.

Sources: EPA SDWIS · Illinois EPA, Bureau of Water

Nationwide peers

38 violations · 1,578 served: nearest cross-state SDWIS matches.

What to do with Jasper Waterworks Corporation

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Illinois compares on the same EPA violation measures. Illinois systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater