Contaminant 8000
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
PWSID AR0000119 · Surface waterMunicipal
17,858 people served. 1 health-based SDWIS violation recorded in the past 5 years. 3 remain unresolved. Last cited 1 year ago.
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
Unresolved Total Trihalomethanes Rule violation cited in 2025 (total trihalomethanes (tthm)).
Unresolved Revised Total Coliform Rule violation cited in 2024 (contaminant 8000).
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.
Monitoring failure
Monitoring failure; returned to compliance
Maximum contaminant level exceeded
Monitoring failure; returned to compliance
Monitoring failure
Monitoring failure; returned to compliance
Morrilton, Arkansas (Census place; block-group disparity scores aggregated by centroid containment): a service population of 6,980. Local disparity score for pm2.5 (fine particulate) sits below the reference (73). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 73 | below the reference |
| Ozone | 44 | well below the reference |
| Nitrogen dioxide (NO₂) | 49 | well below the reference |
| Diesel particulate | 85 | below the reference |
| Toxic releases (RSEI) | 142 | moderately above the reference |
| Traffic proximity | 37 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 97 | near the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 50 | below the reference |
| Hazardous-waste site proximity | 0 | well below the reference |
| Underground storage tanks | 92 | near the reference |
| NPDES wastewater proximity | 99 | near the reference |
| 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 2024-01-01 → 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.