Non-Compliance
Clean Water Act
CONCORD WASTEWATER TREATMENT FACILITY
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
-
509 BEDFORD ST
CONCORD, MA 01742
View on map ↗ - County
- MIDDLESEX County
- Total Penalties
- $0
- Registry ID
- 110000732645
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
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 achieved late but reported | Feb 19, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 12, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 28, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 19, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 19, 2002 | Nov 25, 2002 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 19, 2002 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 10, 1995 | — | 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.57 mg/L | 1.00 | +57% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.38 mg/L | 0.20 | +89% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.21 mg/L | 0.20 | +5% | May 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.15 mg/L | 1.00 | +15% | Sep 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.20 | +64% | Sep 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.23 MGD | 1.20 | +3% | Jul 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.27 MGD | 1.20 | +6% | Jun 2024 | Open |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 32.30 % | 100.00 | +68% | Jun 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.28 MGD | 1.20 | +7% | May 2024 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.27 MGD | 1.20 | +6% | Apr 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.39 mg/L | 0.20 | +94% | Apr 2024 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 1.22 MGD | 1.20 | +2% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 255.60 kg/d | 204.30 | +25% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 320.98 kg/d | 204.30 | +57% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 160.72 kg/d | 136.20 | +18% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 45.00 | +13% | Jan 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 74.00 % | 85.00 | +73% | Jan 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.21 mg/L | 0.20 | +6% | Oct 2022 | Open |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 66.00 % | 100.00 | +34% | Mar 2019 | Open |
| E. coli, thermotol, MF, MTEC | DMR, Limited - Numeric Violation | 480.00 MPN/100mL | 409.00 | +17% | Sep 2015 | 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.
CWA 309A AO For Compliance
Clean Water Act
· Case 01-1994-N027 · Aug 30, 1994
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