Contaminant 1006
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2023 (contaminant 1006).
PWSID OK3004709 · Purchased / wholesaleMunicipal
550 people served. 8 health-based SDWIS violations recorded in the past 5 years. 2 remain unresolved. Last cited 3 years ago.
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2023 (contaminant 1006).
Unresolved Disinfectants and Disinfection Byproducts (Stage 2) violation cited in 2022 (contaminant 1006).
Disinfectants and Disinfection Byproducts (Stage 2) health-based violation cited in 2023 (contaminant 1006).
Disinfectants and Disinfection Byproducts (Stage 2) health-based violation cited in 2023 (contaminant 1006).
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.
Maximum residual disinfectant level exceeded; returned to compliance
Maximum residual disinfectant level exceeded; returned to compliance
Maximum residual disinfectant level exceeded
Maximum residual disinfectant level exceeded; returned to compliance
Maximum residual disinfectant level exceeded; returned to compliance
Maximum residual disinfectant level exceeded; returned to compliance
Maximum residual disinfectant level exceeded
Maximum residual disinfectant level exceeded; returned to compliance
Dibble, Oklahoma (Census place; block-group disparity scores aggregated by centroid containment): a service population of 1,093. Local disparity score for pm2.5 (fine particulate) sits below the reference (76). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 76 | below the reference |
| Ozone | 73 | below the reference |
| Nitrogen dioxide (NO₂) | 21 | well below the reference |
| Diesel particulate | 13 | well below the reference |
| Toxic releases (RSEI) | 10 | well below the reference |
| Traffic proximity | 5 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 24 | well below the reference |
| Superfund site proximity | 58 | below the reference |
| RMP-facility proximity | 0 | well below the reference |
| Hazardous-waste site proximity | 0 | well below the reference |
| Underground storage tanks | 35 | well below the reference |
| NPDES wastewater proximity | 0 | well below 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 2022-01-01 → 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.