Non-Compliance
Clean Water Act
MOUNTAIN MATERIALS, 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
-
2300 OSBURN LANE
JOPPA, MD 21085
View on map ↗ - County
- HARFORD County
- Inspections
- 1 · last Aug 26, 2022
- Total Penalties
- $0
- Registry ID
- 110011135253
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.
7
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 |
|---|---|---|---|---|---|---|
| Temp. difference, summer [deg. F] | DMR, Limited - Numeric Violation | 92.00 deg F | 0.00 | +2,147,483,650% | Sep 2025 | Open |
| Temp. difference, summer [deg. F] | DMR, Limited - Numeric Violation | 92.00 deg F | 0.00 | +2,147,483,650% | Aug 2025 | Open |
| Temp. difference, summer [deg. F] | DMR, Limited - Numeric Violation | 92.00 deg F | 0.00 | +2,147,483,650% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 60.00 | +13% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 130.00 mg/L | 60.00 | +117% | May 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 140.00 mg/L | 60.00 | +133% | Aug 2018 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Feb 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.00 mg/L | 60.00 | +10% | Aug 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 83.00 mg/L | 60.00 | +38% | Apr 2015 | Open |
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