Contaminant 7500
Unresolved Volatile Organic Chemical Rule violation cited in 2025 (contaminant 7500).
PWSID TX1610027 · GroundwaterMunicipal
678 people served. 1 health-based SDWIS violation recorded in the past 5 years. 57 remain unresolved. Last cited 1 year ago.
Unresolved Volatile Organic Chemical Rule violation cited in 2025 (contaminant 7500).
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.
OTHER
Treatment technique violation; returned to compliance
Reporting failure; returned to compliance
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Lake Jackson, Texas (Census place; block-group disparity scores aggregated by centroid containment): a service population of 27,954. Local disparity score for pm2.5 (fine particulate) sits near the reference (93). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 93 | near the reference |
| Ozone | 12 | well below the reference |
| Nitrogen dioxide (NO₂) | 60 | below the reference |
| Diesel particulate | 39 | well below the reference |
| Toxic releases (RSEI) | 116 | moderately above the reference |
| Traffic proximity | 42 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 42 | well below the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 113 | moderately above the reference |
| Hazardous-waste site proximity | 74 | below the reference |
| Underground storage tanks | 67 | below the reference |
| NPDES wastewater proximity | 97 | near 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 2021-01-01 → 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.