Non-Compliance
Clean Air Act
Clean Water Act
POTOMAC WATER FILTRATION PLANT
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
-
12200 RIVER ROAD
POTOMAC, MD 20854
View on map ↗ - County
- MONTGOMERY County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221310
- Inspections
- 2 · last Oct 26, 2022
- Total Penalties
- $0 · last Oct 1, 2015
- Registry ID
- 110000576797
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
12
Water (CWA)
Qtrs Non-Compliant
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 | Jan 1, 2026 | Feb 1, 2026 | 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 unachieved and not reported | Mar 31, 2022 | May 1, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2022 | May 1, 2022 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2002 | — | 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 |
|---|---|---|---|---|---|---|
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 11.50 mg/L | 4.00 | +188% | Jan 2026 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 281.93 kg/d | 130.30 | +116% | Jan 2026 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.00 | +2,147,483,650% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,339.30 kg/d | 977.01 | +37% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 134.00 mg/L | 60.00 | +123% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4,246.72 kg/d | 1,954.02 | +117% | Jan 2026 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 30.00 | +83% | Jan 2026 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 703.70 kg/d | 260.60 | +170% | Jan 2026 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 22.80 mg/L | 8.00 | +185% | Jan 2026 | Open |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 485.33 kg/d | 130.30 | +272% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,717.81 kg/d | 1,954.02 | +90% | Dec 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 14.90 mg/L | 4.00 | +273% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,214.61 kg/d | 977.01 | +127% | Dec 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 1,095.05 kg/d | 260.60 | +320% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 30.00 | +127% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 109.00 mg/L | 60.00 | +82% | Dec 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 32.10 mg/L | 8.00 | +301% | Dec 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 30.00 | +143% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 1,885.46 kg/d | 260.60 | +624% | Nov 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 7,785.19 kg/d | 1,954.02 | +298% | Nov 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2,534.68 kg/d | 977.01 | +159% | Nov 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 189.00 mg/L | 60.00 | +215% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 16.40 mg/L | 4.00 | +310% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 559.78 kg/d | 130.30 | +330% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 53.40 mg/L | 8.00 | +568% | Nov 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 16.80 mg/L | 8.00 | +110% | Oct 2025 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 9.70 mg/L | 8.00 | +21% | Oct 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 592.02 kg/d | 260.60 | +127% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 30.00 | +127% | Oct 2025 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 312.35 kg/d | 260.60 | +20% | Oct 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 9.30 mg/L | 4.00 | +133% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 526.00 mg/L | 60.00 | +777% | Oct 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 286.93 kg/d | 130.30 | +120% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 11,666.89 kg/d | 1,954.02 | +497% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,958.56 kg/d | 977.01 | +100% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 30.00 | +83% | Sep 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 8.60 mg/L | 4.00 | +115% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,737.46 kg/d | 977.01 | +78% | Sep 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 586.11 kg/d | 260.60 | +125% | Sep 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 270.58 kg/d | 130.30 | +108% | Sep 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 16.60 mg/L | 8.00 | +108% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 108.00 mg/L | 60.00 | +80% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,669.68 kg/d | 1,954.02 | +88% | Sep 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 137.11 kg/d | 130.30 | +5% | Aug 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 5.10 mg/L | 4.00 | +28% | Aug 2025 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1,352.92 kg/d | 260.60 | +419% | Aug 2025 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 38.40 mg/L | 8.00 | +380% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,930.41 kg/d | 977.01 | +98% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 206.00 mg/L | 60.00 | +243% | Aug 2025 | Resolved |
| Aluminum, total recoverable | DMR, Limited - Numeric Violation | 350.94 kg/d | 260.60 | +35% | Aug 2025 | Resolved |
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.
State Administrative Order of Consent
Clean Water Act
· Case MD-02-DP-1055 · Jan 12, 2024
State Administrative Order of Consent
Clean Water Act
· Case MD-SP-23-2851 · Jan 18, 2023
Civil Judicial Action
Clean Water Act
· Case MD-CJ-16-2399 · Oct 1, 2015
$100,000
State Administrative Order of Consent
Clean Water Act
· Case MD-N00000137 · Nov 21, 2001
State CWA Penalty AO
Clean Water Act
· Case MD-N00000485 · Dec 17, 1996
Civil Judicial Action
Clean Water Act
· Case MD-N00000513 · Dec 17, 1996
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