Hempstead County
Hempstead County currently shows 0 Superfund sites, 50 imported facility profiles, and 1,649,945 lbs in loaded TRI releases.
Hempstead County currently shows 0 Superfund sites, 50 imported facility profiles, and 1,649,945 lbs in loaded TRI releases.
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Hempstead County.
The latest loaded TRI year is 2024, with 1,649,945 lbs in county-level on-site releases tied to the imported facility set.
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
No Violation Identified across 2 of the last 12 quarters, with $7,716 in recorded penalties.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Inactive across 11 of the last 12 quarters in the imported ECHO record.
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Significant Violation across 9 of the last 12 quarters in the imported ECHO record.
Significant Violation across 9 of the last 12 quarters in the imported ECHO record.
Significant Violation across 8 of the last 12 quarters in the imported ECHO record.
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Significant Violation across 7 of the last 12 quarters in the imported ECHO record.
No Violation Identified. Last recorded ECHO inspection: 2024-09-19.
Significant noncompliance across 6 of the last 12 quarters in the imported ECHO record.
Significant Violation across 5 of the last 12 quarters in the imported ECHO record.
No Violation Identified. Last recorded ECHO inspection: 2025-10-16.
No Violation Identified with $7,200 in recorded penalties.
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
No Violation Identified. Last recorded ECHO inspection: 2025-09-10.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | TRI-listed chemical | 1 | 959,550 lbs |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | TRI-listed chemical | 1 | 500,521 lbs |
| Ammonia | TRI-listed chemical | 3 | 49,638 lbs |
| Manganese compounds | TRI-listed chemical | 2 | 48,220 lbs |
| Vanadium compounds | TRI-listed chemical | 1 | 28,074 lbs |
| Zinc compounds | TRI-listed chemical | 2 | 20,588 lbs |
| Methanol | TRI-listed chemical | 1 | 13,051 lbs |
| Formaldehyde | TRI-listed chemical | 1 | 10,556 lbs |
| Creosote | TRI-listed chemical | 1 | 6,130 lbs |
| Lead compounds | Metals and metal compounds | 3 | 5,791 lbs |
| Peracetic acid | TRI-listed chemical | 1 | 3,280 lbs |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | TRI-listed chemical | 1 | 1,460 lbs |
| Hydrogen fluoride | TRI-listed chemical | 1 | 1,380 lbs |
| Phenol | TRI-listed chemical | 1 | 1,192 lbs |
| Manganese | TRI-listed chemical | 1 | 214 lbs |
| Mercury compounds | TRI-listed chemical | 1 | 182 lbs |
| Toluene | Volatile organic compound | 1 | 111 lbs |
| Polycyclic aromatic compounds | TRI-listed chemical | 2 | 5 lbs |
| Nickel | Metals and metal compounds | 1 | 1 lbs |
| Dioxin and dioxin-like compounds | TRI-listed chemical | 1 | 1 lbs |
Arkansas facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
Arkansas facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
Arkansas facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.