Contaminant 0700
Unresolved Drinking water rule (140) violation cited in 2025 (contaminant 0700).
PWSID LA1015029 · GroundwaterPrivate
1,755 people served. 15 health-based SDWIS violations recorded in the past 5 years. 5 remain unresolved. Last cited 1 year ago.
Unresolved Drinking water rule (140) violation cited in 2025 (contaminant 0700).
Unresolved Revised Total Coliform Rule violation cited in 2024 (contaminant 8000).
Unresolved Volatile Organic Chemical Rule violation cited in 2024 (contaminant 7500).
Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2022 (contaminant 5000).
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.
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
OTHER; returned to compliance
Treatment technique violation
OTHER
Failure to monitor as scheduled
Maximum contaminant level exceeded; returned to compliance
OTHER
OTHER; returned to compliance
Maximum contaminant level exceeded; returned to compliance
OTHER; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Bossier Parish, Louisiana (utility's served county per SDWIS GEOGRAPHIC_AREA — city-level not yet matched): a service population of 128,877. Local disparity score for pm2.5 (fine particulate) sits near the reference (109). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 109 | near the reference |
| Ozone | 28 | well below the reference |
| Nitrogen dioxide (NO₂) | 55 | below the reference |
| Diesel particulate | 46 | well below the reference |
| Toxic releases (RSEI) | 85 | below the reference |
| Traffic proximity | 41 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 55 | below the reference |
| Superfund site proximity | 93 | near the reference |
| RMP-facility proximity | 61 | below the reference |
| Hazardous-waste site proximity | 63 | below the reference |
| Underground storage tanks | 72 | below the reference |
| NPDES wastewater proximity | 83 | below the reference |
| Drinking-water non-compliance | 40 | 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.