Contaminant 2983
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2983).
PWSID IL0195825 · GroundwaterPrivate
79 people served. No health-based SDWIS violations recorded in the past 5 years. 16 remain unresolved. Last cited 3 years ago.
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2983).
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2955).
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2968).
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2984).
Health-based violations exceed an MCL or treatment-technique standard. Monitoring violations are reporting failures with no measured exceedance — they tell you the system isn't fully transparent, not that the water is unsafe today.
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Rantoul, Illinois (Census place; block-group disparity scores aggregated by centroid containment): a service population of 12,544. Local disparity score for pm2.5 (fine particulate) sits moderately above the reference (111). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 111 | moderately above the reference |
| Ozone | 135 | moderately above the reference |
| Nitrogen dioxide (NO₂) | 122 | moderately above the reference |
| Diesel particulate | 83 | below the reference |
| Toxic releases (RSEI) | 31 | well below the reference |
| Traffic proximity | 44 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 145 | moderately above the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 105 | near the reference |
| Hazardous-waste site proximity | 63 | below the reference |
| Underground storage tanks | 85 | below the reference |
| NPDES wastewater proximity | 206 | severely above the reference burden |
| Drinking-water non-compliance | 0 | well below the reference |
Source: Census ACS 2018-2022 (5-year) + USEPA-clone EJ blockgroup stats (raw indicators + EJ disparity mirror).
Source. EPA Safe Drinking Water Information System · retrieved 2026-05-07. Reporting period 2023-01-01 → 2026-05-07.
What this is not. SDWIS records compliance against federal MCLs — not a direct readout of tap-water concentrations. Active health-based violations are not the same as a current crisis; we link to the EPA record so you can verify return-to-compliance status before forming a conclusion.