Total Trihalomethanes (TTHM)
Unresolved Total Trihalomethanes Rule violation cited in 2024 (total trihalomethanes (tthm)).
PWSID AR0000737 · Purchased / wholesalePrivate
384 people served. 4 health-based SDWIS violations recorded in the past 5 years. 9 remain unresolved. Last cited 1 year ago.
Unresolved Total Trihalomethanes Rule violation cited in 2024 (total trihalomethanes (tthm)).
Unresolved Total Trihalomethanes Rule violation cited in 2024 (total trihalomethanes (tthm)).
Unresolved Lead and Copper Rule violation cited in 2024 (contaminant ).
Unresolved Lead and Copper Rule violation cited in 2024 (contaminant ).
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; returned to compliance
Maximum contaminant level exceeded
Maximum contaminant level exceeded
OTHER
OTHER
OTHER
OTHER
Maximum contaminant level exceeded
Maximum contaminant level exceeded
OTHER; returned to compliance
Monitoring failure; returned to compliance
Monitoring failure
Monitoring failure; returned to compliance
Monitoring failure; returned to compliance
Monitoring failure; returned to compliance
Monitoring failure; returned to compliance
Monitoring failure; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Failure to monitor as scheduled; returned to compliance
Monitoring failure; returned to compliance
Monitoring failure; returned to compliance
Camden, Arkansas (Census place; block-group disparity scores aggregated by centroid containment): a service population of 10,587. Local disparity score for pm2.5 (fine particulate) sits near the reference (106). Why we surface this →
Low-income
People of color
Under age 5
Over age 64
| Indicator | Disparity score | Reading |
|---|---|---|
| PM2.5 (fine particulate) | 106 | near the reference |
| Ozone | 30 | well below the reference |
| Nitrogen dioxide (NO₂) | 54 | below the reference |
| Diesel particulate | 111 | moderately above the reference |
| Toxic releases (RSEI) | 142 | moderately above the reference |
| Traffic proximity | 48 | well below the reference |
| Lead-paint risk (pre-1960 housing) | 134 | moderately above the reference |
| Superfund site proximity | 0 | well below the reference |
| RMP-facility proximity | 0 | well below the reference |
| Hazardous-waste site proximity | 130 | moderately above the reference |
| Underground storage tanks | 120 | moderately above the reference |
| NPDES wastewater proximity | 78 | 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 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.