EmissionsLookup
Non-Compliance Clean Water Act

ONTARIO 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
SOUTH STREET
ONTARIO, WI 54651
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County
VERNON County
Total Penalties
$0
Registry ID
110010889609

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.

5
Water (CWA)
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 Jul 20, 2017 Open
cwa Schedule Event unachieved and not reported Dec 31, 1983 Dec 29, 1984 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 - Numeric Violation 39.40 mg/L 34.00 +16% Dec 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 35.06 mg/L 34.00 +3% Dec 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 40.80 mg/L 34.00 +20% Dec 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 49.00 mg/L 45.00 +9% Nov 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 38.90 mg/L 34.00 +14% Nov 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 37.41 mg/L 34.00 +10% Nov 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.63 mg/L 8.00 +8% Nov 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 46.80 mg/L 34.00 +38% Nov 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 32.17 mg/L 30.00 +7% Nov 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 49.33 mg/L 45.00 +10% Jun 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 35.20 mg/L 34.00 +4% Apr 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.00 mg/L 34.00 +6% Apr 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 34.00 +32% Mar 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 34.00 +32% Mar 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.00 mg/L 34.00 +32% Mar 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.20 mg/L 34.00 +33% Feb 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.20 mg/L 34.00 +33% Feb 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 45.20 mg/L 34.00 +33% Feb 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 43.20 mg/L 34.00 +27% Jan 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 43.20 mg/L 34.00 +27% Jan 2025 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 43.20 mg/L 34.00 +27% Jan 2025 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.08 mg/L 8.00 +1% Dec 2024 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 9.46 mg/L 8.00 +18% Oct 2024 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.13 mg/L 8.00 +2% Sep 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 34.50 mg/L 34.00 +1% Mar 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 34.50 mg/L 34.00 +1% Mar 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 34.50 mg/L 34.00 +1% Mar 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.10 mg/L 34.00 +6% Jan 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.10 mg/L 34.00 +6% Jan 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.10 mg/L 34.00 +6% Jan 2024 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.50 mg/L 34.00 +7% Dec 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.50 mg/L 34.00 +7% Dec 2023 Open
Nitrogen, ammonia total [as N] DMR, Limited - Numeric Violation 36.50 mg/L 34.00 +7% Dec 2023 Open
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.91 mg/L 8.00 +11% Nov 2023 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.72 mg/L 8.00 +9% Oct 2023 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.83 mg/L 8.00 +10% Sep 2023 Resolved
Phosphorus, total [as P] DMR, Limited - Numeric Violation 8.10 mg/L 8.00 +1% Aug 2023 Resolved
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 53.67 mg/L 45.00 +19% Jul 2022 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 32.79 mg/L 30.00 +9% Jun 2022 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 31.92 mg/L 30.00 +6% May 2021 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 73.00 mg/L 45.00 +62% May 2021 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 46.00 mg/L 45.00 +2% Mar 2019 Open

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