Non-Compliance
Clean Water Act
DENMARK 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
-
400 MAHLIK LANE
DENMARK, WI 54208
View on map ↗ - County
- BROWN County
- Inspections
- 1 · last Jun 2, 2021
- Total Penalties
- $0
- Registry ID
- 110010888913
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.
8
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 | WW SSO - Discharge to Waters | Jun 22, 2024 | — | Open |
| cwa | WW SSO - Discharge to Waters | May 26, 2024 | — | Open |
| cwa | WW SSO - Discharge to Waters | Mar 31, 2023 | — | Open |
| cwa | WW SSO - Discharge to Waters | Aug 10, 2021 | — | Open |
| cwa | WW SSO - Discharge to Waters | Aug 8, 2021 | — | Open |
| cwa | WW SSO - Discharge to Waters | Jul 14, 2021 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Dec 31, 1989 | Jul 1, 1990 | 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 |
|---|---|---|---|---|---|---|
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,402.00 mg/L | 1,200.00 | +17% | Dec 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,013.80 mg/L | 980.00 | +3% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Sep 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 73.00 mg/L | 30.00 | +143% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.70 mg/L | 3.90 | +97% | Apr 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 20.65 mg/L | 20.00 | +3% | Apr 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Apr 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.00 mg/L | 30.00 | +50% | Mar 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.39 mg/L | 20.00 | +7% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.00 mg/L | 3.90 | +3% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.40 mg/L | 3.90 | +90% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Feb 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 243.00 mg/L | 30.00 | +710% | Feb 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,487.00 mg/L | 1,200.00 | +24% | Feb 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 18.34 mg/L | 15.00 | +22% | Feb 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,160.86 mg/L | 980.00 | +18% | Feb 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.31 mg/L | 20.00 | +7% | Feb 2025 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,395.00 mg/L | 1,200.00 | +16% | Jan 2025 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,143.57 mg/L | 980.00 | +17% | Jan 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.00 mg/L | 30.00 | +23% | Jan 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Dec 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,293.00 mg/L | 1,200.00 | +8% | Dec 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.60 mg/L | 3.90 | +18% | Nov 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,087.71 mg/L | 980.00 | +11% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.20 mg/L | 3.90 | +8% | Oct 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,400.00 mg/L | 1,200.00 | +17% | Oct 2024 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.00 mg/L | 30.00 | +67% | Sep 2024 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.11 mg/L | 1.00 | +11% | Sep 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,283.00 mg/L | 1,200.00 | +7% | Sep 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,077.71 mg/L | 980.00 | +10% | Sep 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,278.00 mg/L | 1,200.00 | +7% | Aug 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,025.43 mg/L | 980.00 | +5% | Jul 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,241.00 mg/L | 1,200.00 | +3% | Jul 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Jul 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,431.00 mg/L | 1,200.00 | +19% | Mar 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,214.86 mg/L | 980.00 | +24% | Mar 2024 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,175.86 mg/L | 980.00 | +20% | Feb 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,624.00 mg/L | 1,200.00 | +35% | Feb 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,498.00 mg/L | 1,200.00 | +25% | Jan 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,193.71 mg/L | 980.00 | +22% | Jan 2024 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,214.57 mg/L | 980.00 | +24% | Dec 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,392.00 mg/L | 1,200.00 | +16% | Dec 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,161.57 mg/L | 980.00 | +19% | Nov 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,511.00 mg/L | 1,200.00 | +26% | Nov 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,220.00 mg/L | 980.00 | +24% | Oct 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,447.00 mg/L | 1,200.00 | +21% | Oct 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,330.29 mg/L | 980.00 | +36% | Sep 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,558.00 mg/L | 1,200.00 | +30% | Sep 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,455.00 mg/L | 1,200.00 | +21% | Aug 2023 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,289.43 mg/L | 980.00 | +32% | Aug 2023 | Resolved |
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