NVA PROPERTIES, LLC WWTP (HENSON VALLEY MONTESSORI SCHOOL, INC.)
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
13400 EDGEMEADE ROAD
UPPER MARLBORO, MD 20772
View on map ↗ - County
- PRINCE GEORGE'S County
- Inspections
- 1 · last Nov 21, 2022
- Total Penalties
- $0
- Registry ID
- 110009686063
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Effluent Violations - Unauthorized Discharge | May 14, 2010 | — | Open |
| cwa | Monitoring Violations - No Flow Measurement Device | Apr 7, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 1994 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 1993 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1993 | Sep 22, 1998 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 1993 | — | Open |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.76 mg/L | 0.10 | +1,660% | Jan 2024 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.35 mg/L | 0.10 | +250% | Apr 2023 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.