Contaminant 8000
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
PWSID MS0420035 · GroundwaterMunicipal
357 people served. 2 health-based SDWIS violations recorded in the past 5 years. 10 remain unresolved. Last cited 1 year ago.
Unresolved Revised Total Coliform Rule violation cited in 2025 (contaminant 8000).
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2025 (chlorine).
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2025 (chlorine).
Unresolved Total Trihalomethanes Rule violation cited in 2024 (total trihalomethanes (tthm)).
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
Failure to monitor as scheduled
Failure to monitor as scheduled
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Reporting failure; returned to compliance
Reporting failure; returned to compliance
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
Failure to monitor as scheduled
OTHER; returned to compliance
OTHER; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled
Failure to monitor as scheduled
Leflore County, Mississippi (utility's served county per SDWIS GEOGRAPHIC_AREA — city-level not yet matched): a service population of 27,920. Local disparity score for pm2.5 (fine particulate) sits well above the reference burden (165). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 165 | well above the reference burden |
| Ozone | 57 | below the reference |
| Nitrogen dioxide (NO₂) | 123 | moderately above the reference |
| Diesel particulate | 82 | below the reference |
| Toxic releases (RSEI) | 58 | below the reference |
| Traffic proximity | 57 | below the reference |
| Lead-paint risk (pre-1960 housing) | 116 | moderately above the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 159 | well above the reference burden |
| Hazardous-waste site proximity | 0 | well below the reference |
| Underground storage tanks | 176 | well above the reference burden |
| NPDES wastewater proximity | 63 | below the reference |
| Drinking-water non-compliance | 7 | 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 2020-01-01 → 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.