Chlorine
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2024 (chlorine).
PWSID NC0392177 · GroundwaterPrivate
83 people served. No health-based SDWIS violations recorded in the past 5 years. 22 remain unresolved. Last cited 2 years ago.
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2024 (chlorine).
Unresolved Arsenic Rule violation cited in 2023 (xylenes (total)).
Unresolved Arsenic Rule violation cited in 2023 (benzene).
Unresolved Arsenic Rule violation cited in 2023 (contaminant 2955).
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
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Raleigh, North Carolina (Census place; block-group disparity scores aggregated by centroid containment): a service population of 465,517. Local disparity score for pm2.5 (fine particulate) sits well below the reference (38). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 38 | well below the reference |
| Ozone | 43 | well below the reference |
| Nitrogen dioxide (NO₂) | 73 | below the reference |
| Diesel particulate | 69 | below the reference |
| Toxic releases (RSEI) | 72 | below the reference |
| Traffic proximity | 95 | near the reference |
| Lead-paint risk (pre-1960 housing) | 33 | well below the reference |
| Superfund site proximity | 52 | below the reference |
| RMP-facility proximity | 52 | below the reference |
| Hazardous-waste site proximity | 65 | below the reference |
| Underground storage tanks | 87 | below the reference |
| NPDES wastewater proximity | 59 | below the reference |
| Drinking-water non-compliance | 3 | 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.