Contaminant 5000
Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 5000).
PWSID LA1017080 · GroundwaterPrivate
75 people served. 19 health-based SDWIS violations recorded in the past 5 years. 37 remain unresolved. Last cited 1 year ago.
Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 5000).
Unresolved Phase I/II/V Inorganic Chemical Rules violation cited in 2025 (contaminant 5000).
Unresolved Drinking water rule (140) violation cited in 2025 (contaminant 0700).
Unresolved Drinking water rule (140) violation cited in 2025 (contaminant 0700).
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
Failure to monitor as scheduled
Treatment technique violation
Treatment technique violation
Treatment technique violation
Treatment technique violation
Treatment technique violation
OTHER
OTHER
OTHER
OTHER
OTHER
Failure to monitor as scheduled
Reporting failure
Treatment technique violation
Failure to monitor as scheduled
Treatment technique violation
Failure to monitor as scheduled
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation
Failure to monitor as scheduled
OTHER
OTHER
OTHER
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Treatment technique violation; returned to compliance
Failure to monitor as scheduled
Failure to monitor as scheduled
OTHER
Treatment technique violation
Treatment technique violation
Treatment technique violation
Treatment technique violation
Treatment technique violation
OTHER
OTHER
OTHER
OTHER
Failure to monitor as scheduled
OTHER
Caddo Parish, Louisiana (utility's served county per SDWIS GEOGRAPHIC_AREA — city-level not yet matched): a service population of 236,259. Local disparity score for pm2.5 (fine particulate) sits well above the reference burden (151). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 151 | well above the reference burden |
| Ozone | 38 | well below the reference |
| Nitrogen dioxide (NO₂) | 80 | below the reference |
| Diesel particulate | 81 | below the reference |
| Toxic releases (RSEI) | 132 | moderately above the reference |
| Traffic proximity | 64 | below the reference |
| Lead-paint risk (pre-1960 housing) | 91 | near the reference |
| Superfund site proximity | 67 | below the reference |
| RMP-facility proximity | 35 | well below the reference |
| Hazardous-waste site proximity | 103 | near the reference |
| Underground storage tanks | 114 | moderately above the reference |
| NPDES wastewater proximity | 177 | well above the reference burden |
| Drinking-water non-compliance | 169 | well above the reference burden |
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.