WESTERN BRANCH WASTEWATER TREATMENT PLANT
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $44,360 in total penalties since records began.
- Address
-
6600 CRAIN HWY
UPPER MARLBORO, MD 20772
View on map ↗ - County
- PRINCE GEORGE'S County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 7 · last Jun 24, 2025
- Total Penalties
- $44,360 · last Jan 5, 2022
- Registry ID
- 110056024252
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
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 reported late | Mar 31, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 1, 2023 | Aug 25, 2023 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2023 | Aug 25, 2023 | Resolved |
| cwa | Schedule Event reported late | Mar 28, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2021 | Apr 28, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2020 | Apr 1, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2020 | Apr 28, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2020 | Apr 28, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2019 | Apr 28, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 28, 2019 | Apr 28, 2019 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 28, 2017 | Oct 29, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 28, 2017 | Oct 29, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 28, 2017 | Jul 29, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 28, 2017 | Jul 29, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2016 | Aug 31, 2016 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | Aug 7, 2006 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 3, 2006 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jun 25, 2006 | — | 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 |
|---|---|---|---|---|---|---|
| Enterococci | DMR, Limited - Numeric Violation | 78.00 MPN/100mL | 35.00 | +123% | Mar 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 382.00 MPN/100mL | 126.00 | +203% | Mar 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 280.00 MPN/100mL | 126.00 | +122% | Jan 2024 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 68.00 MPN/100mL | 35.00 | +94% | Jan 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 183.00 MPN/100mL | 126.00 | +45% | Dec 2023 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 37.00 MPN/100mL | 35.00 | +6% | Dec 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.20 mg/L | 45.00 | +7% | Nov 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 520.00 MPN/100mL | 126.00 | +313% | Nov 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 644.23 kg/d | 522.10 | +23% | Aug 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 45.00 | +20% | Aug 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 354.57 kg/d | 349.58 | +1% | Aug 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,370.98 kg/d | 5,130.20 | +24% | Aug 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 6.00 mg/L | 4.50 | +33% | Aug 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 6.00 mg/L | 4.50 | +33% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 45.00 | +51% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 6,128.09 kg/d | 5,130.20 | +19% | Apr 2020 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 544.35 kg/d | 522.10 | +4% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Nov 2019 | 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.