Non-Compliance
Clean Air Act
Clean Water Act
NORTHERN HIGH SCHOOL
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
-
2950 CHANEYVILLE ROAD
OWINGS, MD 20736
View on map ↗ - County
- CALVERT County
- Industry
- Educational Services
- NAICS (North American Industry Classification)
- 611110
- Inspections
- 1 · last Feb 16, 2023
- Total Penalties
- $0
- Registry ID
- 110001439809
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
9
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.88 kg/d | 4.27 | +61% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.68 kg/d | 0.34 | +100% | Oct 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.60 mg/L | 3.60 | +167% | Oct 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.37 kg/d | 0.34 | +9% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.40 mg/L | 3.60 | +133% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.27 kg/d | 4.27 | +47% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.10 mg/L | 3.70 | +11% | Jun 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 5.12 kg/d | 4.27 | +20% | Feb 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 68.30 MPN/100mL | 14.00 | +388% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4.88 kg/d | 4.27 | +14% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6.12 kg/d | 4.27 | +44% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 15.73 kg/d | 4.27 | +269% | Feb 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 62.00 mg/L | 45.00 | +38% | Feb 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 6.46 kg/d | 2.86 | +126% | Feb 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 4.37 kg/d | 4.27 | +2% | Jan 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 7.69 kg/d | 4.27 | +80% | Dec 2023 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 4.65 kg/d | 4.27 | +9% | Oct 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 9.20 kg/d | 4.27 | +116% | Aug 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 25.50 MPN/100mL | 14.00 | +82% | May 2015 | Open |
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