MOUNT AIRY WWTP
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
-
7245 RIDGE ROAD
MOUNT AIRY, MD 21771
View on map ↗ - County
- FREDERICK County
- Inspections
- 5 · last Sep 9, 2025
- Total Penalties
- $0
- Registry ID
- 110009025054
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 | Schedule Event unachieved and not reported | Mar 31, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2022 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2022 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2018 | Jan 31, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2017 | Jan 31, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2016 | Jan 31, 2017 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Overdue | 5.00 mg/L | 4.20 | +19% | May 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.00 mg/L | 4.20 | +19% | May 2024 | 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.